We can administer bevacizumab even though it is a foreign protein because

Answer:  So, basiclally what your suppose to do is include 3 examples of  Environmental hazards which include biological, social, chemical, and physical.

Explanation:

The skeletal system is the collection of bones, cartilage, ligaments, and other connective tissues that form the framework, or structure, of the body. The skeletal system supports the body, protects internal organs, allows for movement, produces blood cells, and stores and releases minerals like calcium and phosphorus as needed. The bones of the skeletal system are made up of living tissue that constantly undergoes remodeling, and they are held together by joints and strengthened by muscles and tendons.

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- The skeletal system does not directly contribute to heat production. However, the bone marrow within the skeletal system plays an important role in the production of heat by generating new red and white blood cells through a process called hematopoiesis. When new blood cells are produced, they generate heat as a byproduct of their metabolic processes.

- Heat production, also known as thermogenesis, refers to the process of generating heat within the body. The human body is constantly generating heat as a result of metabolic processes, such as the breakdown of nutrients for energy. Some organs, such as the liver and muscles, produce more heat than others. Heat production is important for maintaining a constant body temperature, which is essential for the proper functioning of various internal processes.

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These positions include Head Low Chest High, Right Lateral, Left Lateral, Supine, Prone, and Semi-Fowler’s

1. Head Low Chest High: The patient is positioned on their back with their head lower than their chest. This position allows gravity to help drain secretions from the lungs and upper airways.

2. Right Lateral: The patient is placed in a lateral position with their right side down. This position allows gravity to help drain secretions from the right lung and the right upper airway.

3. Left Lateral: The patient is placed in a lateral position with their left side down. This position allows gravity to help drain secretions from the left lung and the left upper airway.

4. Supine: The patient is placed in a supine position with their back on the bed. This position allows gravity to help drain secretions from the lungs and upper airways.

5. Prone: The patient is placed in a prone position with their face down. This position allows gravity to help drain secretions from the lower parts of the lungs and upper airways.

6. Semi-Fowler’s: The patient is placed in a semi-Fowler's position with their head and shoulders elevated. This position allows gravity to help drain secretions from the lower parts of the lungs and upper airways.

Postural drainage is a respiratory therapy technique used to help clear the lungs of secretions and improve lung function. Trendelenburg positions are specific positions that are used for postural drainage and involve positioning the patient so that gravity is used to help move secretions from the lungs and upper airways. These positions include Head Low Chest High, Right Lateral, Left Lateral, Supine, Prone, and Semi-Fowler’s. By positioning the patient in these positions, gravity helps to move secretions from the lungs and upper airways, allowing them to be cleared more easily.

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The variation in a particular trait can be explained by the combined effect of multiple factors, including genetic and environmental influences. In this case, option b) polygenic inheritance and nutrition, best explain the variation.

Polygenic inheritance refers to the situation where multiple genes, each with its own pair of alleles, contribute to the expression of a single trait.

This leads to a wide range of phenotypic outcomes, as each gene's effect is cumulative. It is important to consider polygenic inheritance when explaining variation, as it acknowledges that complex traits are influenced by several genetic factors.

Nutrition is an environmental factor that can also impact the expression of certain traits.

Proper nutrition is essential for growth, development, and overall health, and variations in nutritional intake can lead to differences in trait expression.

Environmental factors like nutrition play a crucial role in determining the phenotypic outcomes of individuals, especially in conjunction with the influence of multiple genes.

In summary, the variation in a trait can be best explained by the interaction of polygenic inheritance and nutrition, as these factors take into account both genetic and environmental influences on trait expression. Hence, the correct answer in option B) is polygenic inheritance and nutrition.

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The length and area of an axon are related to the speed of the action potentials moving along them, with length having a greater effect.

The speed of action potential propagation along an axon is influenced by several factors, including the diameter of the axon, the resistance of the axonal membrane, and the myelination of the axon. Larger diameter axons have less resistance to ion flow and can conduct action potentials faster than smaller diameter axons.

Myelination also plays a crucial role in the speed of action potential propagation by allowing the action potential to "jump" between nodes of Ranvier, rather than propagating continuously along the entire length of the axon.

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Both water chemistry and macroinvertebrate assemblages are important indicators of the overall health of a stream, but the assemblage of macroinvertebrates is generally considered to be a better indicator.

Macroinvertebrates are more sensitive to changes in their environment and can provide a more direct measure of the biological integrity of the stream. Different types of macroinvertebrates have different tolerances to pollutants and other stressors, so the presence or absence of certain species can indicate the health of the stream.

In contrast, water chemistry measurements can be influenced by a variety of factors, including natural variability and human activities outside of the immediate stream area. Therefore, while both water chemistry and macroinvertebrate assemblages are important indicators of stream health, macroinvertebrates are typically considered to be a more direct and reliable indicator.

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The gastrula develops into three germ layers during the third week of embryonic development, which later form various tissues and organs in the body.

During the third week of embryonic development, the gastrula develops into three germ layers: the ectoderm, endoderm, and mesoderm. These germ layers give rise to all the different tissues and organs in the body. The ectoderm forms the skin and nervous system, the endoderm forms the lining of the digestive and respiratory tracts, and the mesoderm forms the muscles, bones, blood vessels, and other internal organs.
During the third week of embryonic development, the gastrula develops into three germ layers: ectoderm, mesoderm, and endoderm. These germ layers will further differentiate and give rise to various tissues and organs in the developing embryo. Here's a step-by-step explanation:
1. The gastrula stage begins with the process of gastrulation, where the embryo transforms from a simple blastula to a structure with three germ layers.
2. The ectoderm forms the outer layer and will eventually develop into the skin, nervous system, and sensory organs.
3. The mesoderm, the middle layer, will develop into muscles, bones, circulatory system, and other connective tissues.
4. The endoderm, the innermost layer, will develop into the digestive system, respiratory system, and other internal organs.
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If the Sun were to shrink down and become a black hole of the same mass, the orbit of the Earth would not change.

The mass of the Sun would remain the same, so the gravitational attraction between the Earth and the Sun would remain the same as well. The black hole would have the same gravitational pull as the Sun, and the Earth would continue to orbit in the same way as it does now. The only difference would be that the Earth would no longer receive light and heat from the Sun, so it would be extremely cold and dark.

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Mechanism- the primary consideration/factor of migraines is (trigger points/joints in upper C-spine/changes in blood flow) and it relates to the functioning of the autonomic nervous system

The primary consideration is the presence of trigger points in the upper cervical spine, which includes the neck and base of the head. These trigger points can cause changes in blood flow and the production of pain-causing chemicals in the brain.

This can lead to the development of a migraine headache, which is often accompanied by nausea, sensitivity to light and sound, and other symptoms. When the trigger points are activated, the autonomic nervous system is affected, resulting in the changes in blood flow and production of pain-causing chemicals. This leads to the development of the migraine headache.

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The promoter's DNA is melted by 2,3 sigma within and a short distance downstream of the -10 site. The highly conserved areas 1.2, 2.1, 2.2, 2.3, and 2.4 that are present in the 2 domain are crucial for melting promoter DNA, recognising the 10 element, and binding to the RNAP ′ clamp (Feklistov and Darst, 2011; Zhang et al., 2012).

The core promoter can be recognised by bacterial RNA polymerase homoenzyme. RNA polymerase can attach to a particular promoter sequence (yellow) in DNA thanks to the sigma subunit. A transcription pause is caused by the E. coli RNA polymerase's sigma factor sigma 70 at an early stage of elongation, where it also functions to allow the phage lambda gene Q transcription antiterminator to work.

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NADH is the reduced form of nicotinamide adenine dinucleotide as it lacks ion.

The Nicotinamide adenine dinucleotide play critical functions in cellular metabolism, including electron transport during redox processes. the main difference is NADH is reducing in nature while NAD+ is of oxidizing nature.

NADH is formed when NAD+ receives two electrons and a hydrogen ion (H+). This conversion is reversible, with NADH transferring two electrons and a hydrogen ion to other molecules in order to revert to NAD+.

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Pathogens and Healthcare that are connected to healthcare might be either endogenous or external. The most frequent cause of HAIs is bacteria. HAIs cost the patient and the community money since they make the patient sick. a longer hospital stay.

Primary endogenous, secondary endogenous, and external infections are the three principal patterns of infection in the ICU. There is no microbial transport prior to colonization and infection in external infection. In endogenous infection, oropharyngeal or gastrointestinal carriage occurs prior to infection.

Undigested carbohydrates and proteins from the human diet are the main external sources of energy for GIT bacteria. Epithelial cells, mucin, bile acids, and digestive enzymes are examples of endogenous energy sources.

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Correct Question:

Healthcare-associated pathogens arise from endogenous or exogenous sources. What is the most likely source of endogenous infections?

In the United States, fossil fuels such as coal, natural gas, and petroleum account for approximately 80% of total energy consumption.

Coal represents about 14% of the energy consumed in the U.S., with natural gas and petroleum representing 31% and 36%, respectively.

The remaining 19% is sourced from renewable energy sources.

Coal is primarily used for electricity generation in the U.S., with the majority of coal-fired power plants located in the Midwest and Southeast regions.

The states that consume the most coal include Texas, Indiana, and Ohio.

However, the use of coal for electricity generation has been decreasing in recent years due to environmental concerns and the rising use of natural gas and renewable energy sources.

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The typical hospital stay for an uncomplicated caesarean delivery is two to four days. Keep in mind that healing from a C-section typically takes longer than it would from a vaginal birth, and that the typical hospital stay following one is 2 to 4 days.

In order to recuperate more quickly from a C-section, walking is essential. Pain medication may also be given as the healing process progresses. Women who gave birth vaginally and had no difficulties are typically allowed to leave the hospital two days after giving birth. Three to four days after giving birth, mothers who have a caesarean section without any difficulties are discharged from the hospital.

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Con leave will normally be for how many days after discharge following any uncomplicated delivery or cesarean section?

The name of the lens that may be changed to give 10X, 40X, 100X magnification is the objective lens.

The objective lens is one of the major lenses of a  emulsion microscope that magnifies the  instance. It's close to the stage and may be acclimated to acclimate the  exaggeration  position. utmost  emulsion microscopes include  exchangeable objective lenses with  exaggeration capabilities ranging from 4X to 10X, 40X to 100X.

The microscope's  exaggeration  position is calculated by multiplying the  exaggeration of the objective lens by the  exaggeration of the eyepiece lens. One of the most significant  factors of a  emulsion microscope for attaining high- resolution imaging of a  instance is the objective lens. It's  generally made up of a number of lenses that work together to concentrate light from the  instance onto the eyepiece lens. The objective lenses are created.

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NPP (Net Primary Productivity) and GPP (Gross Primary Productivity) are measurements of productivity in an ecosystem. NPP is the amount of energy produced by plants in an ecosystem, while GPP is the total amount of energy produced by plants, including energy used for respiration.

NPP is generally less than GPP, because the energy used for respiration is not available for consumption by other organisms. NPP is the amount of energy available for consumption by other organisms, so it represents the total amount of energy available for an ecosystem’s food chain. GPP, on the other hand, is the total amount of energy produced by plants, including energy used for respiration.

NPP is important to consider when looking at the productivity of an ecosystem, as it indicates the total amount of energy available for consumption by other organisms. GPP is important to consider when looking at the overall energy budget of an ecosystem, as it provides a measure of the total amount of energy being produced.

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The main advantages of using molasses for ABE fermentation instead of another type of biomass include all of the following, except its other uses were not vital.

Biomass is organic material that is produced from living or recently living organisms. Examples of biomass include wood, crops, manure, and other plant and animal materials. Biomass is a renewable energy source that can be used to generate electricity, heat, and fuel. It is considered a sustainable energy source because it is produced from renewable resources and can be replenished in a relatively short period of time. Biomass energy has the potential to reduce carbon emissions and can be used to replace fossil fuels. Biomass can be used to generate electricity through combustion, gasification, and anaerobic digestion.

Therefore the correct answer is C.

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The correct answer is D. Molasses is a favorable substrate for ABE fermentation because it is readily available, inexpensive, and its other uses are not vital. However, it does not necessarily increase the acetone yield compared to other substrates.

ABE fermentation is a type of fermentation process used to produce solvents such as acetone, butanol, and ethanol. The name "ABE" comes from the initials of these three solvents.

ABE fermentation is a type of batch fermentation process that uses anaerobic bacteria to convert carbohydrates such as sugars, starches, and cellulose into solvents. The process typically involves three stages: acidogenesis, solventogenesis, and sporulation.

Today, ABE fermentation is used primarily in the production of butanol, which is used as a solvent in a variety of industries including chemicals, pharmaceuticals, and textiles. Butanol is also a potential biofuel that can be blended with gasoline or used as a standalone fuel for vehicles.

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Allopatric speciation is a natural process that has led to the evolution of many distinct species and plays an important role in creating and maintaining biodiversity on Earth.

Allopatric speciation is a type of speciation that occurs when a geographic barrier or physical separation occurs between populations of the same species, leading to reproductive isolation and eventually the formation of two distinct species. The term "allopatric" comes from the Greek words "allos," meaning different, and "Patris," meaning homeland or country.

This type of separation can occur in a variety of ways, such as the formation of a mountain range, the emergence of a new river, the opening of a sea, or the movement of a species to a new geographic location. The separation creates distinct environments that can lead to divergence in the genetic makeup of the populations, as well as in their physical and behavioral traits.

Over time, the separated populations may undergo genetic drift, mutations, or natural selection, leading to the accumulation of genetic differences between the two groups. These differences may eventually become so significant that the populations can no longer interbreed successfully, and two new species are formed.

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The serum protein electrophoresis pattern is consistent with all; cirrhosis, acute inflammation, monoclonal gammopathy and polyclonal gammopathy (e.g., chronic inflammation)

Serum protein electrophoresis is a laboratory technique used to separate and analyze different proteins in the blood. Based on the patterns observed in the electrophoresis results, you can identify various conditions.

By analyzing the serum protein electrophoresis pattern, you can determine which of these conditions is consistent with the results.

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A transmissible disease can be caused by any of the agents listed, including bacteria, viruses, parasites, and protozoa. Therefore the correct option is option A, C, D and E.

Any of the agents listed, including bacteria, viruses, parasites, and protozoa, can produce a transmissible disease. Tuberculosis, for example, is caused by the bacteria Mycobacterium tuberculosis and is a contagious disease.

HIV/AIDS is caused by the virus human immunodeficiency virus (HIV), and it is also a communicable disease. Another example of a parasite-induced disease is malaria, which is caused by the Plasmodium parasite and transmitted by infected mosquitos.

As a result, regardless of categorization, it is critical to take care to prevent the transmission of any infectious agents that can cause transmissible diseases. Therefore the correct option is option A, C, D and E.

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The Lyme disease bacterium is passed onto humans directly from ticks.

What is the cause of Lyme disease?

Lyme disease is caused by the bacterium Borrelia burgdorferi, which is transmitted to humans through the bite of infected black-legged ticks. Upon diagnosis, treatment typically involves antibiotics or other appropriate medications to help manage the symptoms and eradicate the infection.

The Lyme disease bacterium is transmitted to humans through tick bites. It is commonly carried by deer ticks, which pick up the bacteria when they feed on infected animals like mice and deer. If left untreated, Lyme disease can cause serious health complications. Treatment typically involves a course of antibiotics to eliminate the bacteria. It's important to protect yourself from tick bites by wearing protective clothing and using insect repellent when spending time outdoors in areas where Lyme disease is prevalent.

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A plot of the Michaelis-Menten equation is a hyperbolic curve, which describes the relationship between the rate of an enzymatic reaction and the substrate concentration.

At low substrate concentrations, the rate of the reaction increases linearly with increasing substrate concentration. However, at high substrate concentrations, the rate of the reaction reaches a maximum, and further increases in substrate concentration do not increase the rate of the reaction.

This is due to the fact that all of the enzyme active sites are saturated with substrate molecules, and the reaction has reached its maximum velocity or Vmax. The Michaelis-Menten equation is widely used to study enzyme kinetics and to determine the enzyme's maximum velocity and Michaelis constant (Km).

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Beta-oxidation is the process by which fatty acids are broken down in the mitochondria to generate energy. The process is similar for both saturated and unsaturated fatty acids, but there are some differences in the way unsaturated fatty acids are metabolized.

The main difference between the beta-oxidation of unsaturated fatty acids and saturated fatty acids is the presence of double bonds in unsaturated fatty acids. Unsaturated fatty acids have one or more double bonds, which introduce kinks in the fatty acid chain. This makes it difficult for the enzymes involved in beta-oxidation to access the fatty acid chain.

To overcome this problem, the body has specialized enzymes called isomerases and reductases that work to convert the double bonds into a form that can be metabolized by beta-oxidation. Isomerases convert cis-double bonds to trans-double bonds, which are more accessible to the enzymes involved in beta-oxidation. Reductases, on the other hand, reduce double bonds to single bonds, making the fatty acid completely saturated and ready for beta-oxidation.

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Primary productivity refers to the rate at which photosynthetic organisms, such as phytoplankton, convert sunlight into organic matter through photosynthesis. The primary productivity in different latitudes is influenced by various factors such as temperature, nutrient availability, light intensity, and grazing pressure.

In low latitude (tropical) oceans, the primary productivity is limited by nutrient availability, especially nitrogen and phosphorus. The warm waters increase the metabolic rate of organisms and their nutrient demands. However, the availability of nutrients is limited due to the lack of upwelling and mixing of water masses. Additionally, the high light intensity can cause photoinhibition, where excessive light damages the photosynthetic machinery of phytoplankton.

In high latitude (polar) oceans, primary productivity is limited by low light intensity and nutrient availability. The long periods of darkness during the winter months reduce the amount of sunlight available for photosynthesis. Furthermore, the cold waters limit the growth and reproduction of phytoplankton, reducing their overall biomass. However, during the short summer months, the melting of sea ice and mixing of water masses can increase the nutrient availability, leading to a bloom of phytoplankton.

In mid-latitude (temperate) oceans, primary productivity is influenced by the seasonal changes in temperature and nutrient availability. During the spring and summer months, the warming waters and increased light intensity promote the growth and reproduction of phytoplankton. Additionally, the upwelling of nutrient-rich waters from the deep ocean can further enhance primary productivity.

However, during the winter months, the low light intensity and cooling waters can reduce primary productivity. Grazing pressure from zooplankton and other organisms can also limit primary productivity by consuming the phytoplankton.

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In nucleophilic substitution reactions, the rate of the reaction increases when the nucleophile is more negative.

This is because a more negative nucleophile is better able to donate its electrons to the substrate, facilitating the breaking of the leaving group bond and the formation of the new bond between the nucleophile and the substrate.

A nucleophile is an electron-rich species that seeks out an electron-deficient center, which is typically a positively charged or partially positive carbon, such as in an alkyl halide. The strength of the nucleophile is determined by its ability to donate its electrons to the substrate, which is influenced by its electron density and the size and shape of its electron cloud.

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When creating an introduction for a series of speeches, Isabelle needs to remember a few key points. First, the introduction should be tailored to the audience.

For the seventh graders, the introduction should introduce the subject in an engaging way that is still age-appropriate, while the introduction for the college juniors should focus more on the scientific aspects of the topic.

Secondly, the introduction should include a brief overview of the topics that will be covered in the speeches, as well as a clear call to action, such as a question that encourages the audience to think about the subject.

Lastly, the introduction should provide a connection to the speaker and help the audience understand why they are the best person to be speaking on the topic. By keeping these points in mind, Isabelle can create an introduction that will capture the attention of the audience and set the tone for the speeches.

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SDS (Sodium Dodecyl Sulfate) is a commonly used detergent in protein sample preparation for SDS-PAGE (Polyacrylamide Gel Electrophoresis).

SDS Native refers to a method of protein sample preparation where the protein is solubilized in a buffer without reducing agents or SDS. This method maintains the native state of the protein and is useful for analyzing protein-protein interactions.  SDS Reducing involves the use of a reducing agent, such as beta-mercaptoethanol or DTT, to break the disulfide bonds in the protein and denature it. This allows for better separation and visualization of the protein bands on the gel.
SDS Non-Reducing does not involve the use of a reducing agent, which preserves the disulfide bonds and maintains the protein structure. This method is useful for analyzing the oligomeric state of proteins and protein complexes.
Overall, the main difference between SDS Native, Reducing, and Non-Reducing methods is the presence or absence of reducing agents and their effects on the protein structure. The differences between SDS native, reducing, and non-reducing conditions in protein analysis.
1. SDS Native: Under native conditions, proteins maintain their original structure and function. This means that their three-dimensional shape and any protein-protein interactions are preserved. Native conditions are typically used when studying protein function, activity, or when analyzing protein complexes.
2. SDS Reducing: In reducing conditions, a reducing agent (e.g., beta-mercaptoethanol or dithiothreitol) is added to break disulfide bonds within and between proteins. This leads to the linearization of the protein and the separation of protein subunits that were originally held together by disulfide bonds. Reducing conditions are useful for determining the individual subunits of a protein complex and for analyzing proteins with disulfide bonds that can affect their electrophoretic mobility.
3. SDS Non-Reducing: Non-reducing conditions do not include a reducing agent. While the proteins are denatured by SDS (sodium dodecyl sulfate), the disulfide bonds remain intact. This allows for the analysis of proteins with their disulfide bonds preserved. Non-reducing conditions are used when studying protein-protein interactions or the role of disulfide bonds in protein structure.
In summary, the primary differences between SDS native, reducing, and non-reducing conditions lie in the protein structure preservation and the presence or absence of a reducing agent. Native conditions preserve protein structure and function, reducing conditions break disulfide bonds, and non-reducing conditions denature proteins while maintaining disulfide bonds.

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Bursae are little fluid-filled sacs that act as a cushion between bones, tendons, and muscles around a joint. They help to minimize bone friction and allow for unrestricted movement.

Bursae form at shearing points in a subcutaneous layer or between deeper tissues like muscle groups and fascia. Tendon sheaths are identical to bursae in that they wrap around bones that are prone to a lot of friction. They contain fluid from the synovial space and help the tendon to move smoothly.

Tendon sheaths are tube-like structures that wrap surrounding tendons that are prone to friction. They contain fluid from the synovial space and help the tendon to move smoothly. When the tendons are at rest, the tendon covers to protect them.

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The special pair in photosystem II is known as P680 because it absorbs 680 nm wavelengths the best.

Photosystems are basically the functional units for the process of  photosynthesis which get defined by a certain organization of the pigment  as well as some association patterns, which perform the very crucial function of the absorption as well as the transfer of the light energy, which basically causes the transfer of the electrons.

The photosystem II basically has a special pair which is known as the P680 and it is named so as it happens to absorbs 680 nm wavelength the best.

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