When a fish swims from salt water into fresh water its cells react by losing water and shrinking. The correct option is D.
What is fresh water?Glaciers, lakes, reservoirs, ponds, rivers, streams, wetlands, and even groundwater contain fresh water.
These freshwater habitats cover less than 1% of the world's total surface area but are home to 10% of all known animals and up to 40% of all known fish species.
When a fish swims from salt water into fresh water its cells react by losing water and shrinking due to osmosis.
Thus, the correct option is D.
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A fish swims from salt water into fresh water, its cells react by gaining water and swelling. Thus, option "A" is correct.
What is osmosis?Osmosis is the movement of water through a semipermeable membrane from an area of low solute concentration to one of higher solute concentration to establish an equilibrium.
For example, The solutes are solids that dissolve in water and form ions, such as salts (NaCl) and sugars, these solutes are also found the cell’s cytoplasm.
Thus, option "A" is correct.
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What were the two achievements of the first women’s rights convention at Seneca Falls?
The women’s rights convention at Seneca Falls was the first largest convocation of women of its kind in the United States of America.
What is the women convention?The women convention was the first largest convocation of women of its kind in the United States of America. The subject of discussion was the right of women.
The two main achievements of the convocation were;
1) The launching of the women's suffrage movement
2) The fact that women were later allowed to vote
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The kidneys are highly vascular organs. Approximately how much of the entire circulating blood volume do the kidneys process at any one time?
The percentage of the entire circulating blood volume that the kidneys process at any one time is 20 percent.
What is kidney?It should be noted that kidney beans the bean shaped organ that we located below the rib cage. The kidney is responsible for waste removal in the body.
In this case, the percentage of the entire circulating blood volume that the kidneys process at any one time is 20 percent.
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How does phosphorylation control protein activity?.
Answer:
Phosphorylation offers a dynamic way to regulate protein activity and subcellular localization, which is achieved through its reversibility and fast kinetics. Adding or removing a dianionic phosphate group somewhere on a protein often changes the protein's structural properties, its stability and dynamics.
Explanation:
1. What type of evidence must molecular clocks be compared against to estimate the split from a common ancestor?
The fossil record is the type of evidence that is used with molecular clocks to estimate the split from a common ancestor.
What is a molecular clock?A molecular clock is an estimation of the times of divergence used for the study of biological phenomena.
Molecular clocks are based on fossils found for a given species and the mutation rate of a given genomic sequence.
In conclusion, fossils are used as point of reference to build molecular clocks based on the mutation rate of homo-logous nucleotide sequences for a given taxonomic group for which these fossils belong.
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Which of the following is NOT a benefit of the process of Photosynthesis evolving on Earth?
A. Increase in atmospheric O2
B. Filtering of UV light
C. Reduction of atmospheric CO2
D. Increase in atmospheric Nitrogen
abc or d with a simple rundown
Answer:
I think the answer is C. Reduction of atmospheric CO2
Explanation:
I hope this helps! Correct me if I am wrong.
2.how are the amino acids formed from the codon in mutation #2 different from those formed from the original codon pattern.
The codons are read on the amino acid table and the amino acid is determined.
Two amino acids different from those formed from the original codon pattern are methionine and tryptophan.
How are amino acids formed from codonsThe three-letter nature of codons means the four nucleotides found in mRNA
A stands for adenine
U stands for Uracil
G stands for guanine
C stands for cytosine
They produce a total of 64 different combinations but only 61 represent amino acids, the remaining three are STOP signals.
For instance, AUG is a codon that is read as methionine in the amino acid table.
Hence, the codons are read on the amino acid table and the amino acid is determined.
Two amino acids different from those formed from the original codon pattern are methionine and tryptophan gotten from one single codon.
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Freshwater leeches attach to fish and suck blood from the fish for extended periods of time. This results in sores on the fish that often become infected.
This relationship is best described as
Answer:parasitism
Explanation:
the leeches benefit but cause the fish harm I’m not sure if this is the type of answer you needed hopefully it helps
Answer:
It's called Parasitism. As these leeches live outside the fish body so they are Ectoparasites.
1.write the chemical equation for transpiration
2.what is translocation ??,give the chemical equation for translocation
plss help will mark brainlest..
Transpiration is a water balance process mediated by stomata opening. Translocation is the transport process of photosynthetic substances from leaves to other tissues.
What is transpiration?Transpiration is a water balance process.
Through stomata opening and closure (which depends on how hydrated the plant is) water vapor is expelled from the leaves.
If the plant is dehydrated, stomata close. If it is not dehydrated, it opens.By limiting water exit, stomata allow more water molecules to be available for light reaction processes when the plant is dehydrated.
The equation to calculate transpiration is as follows,
E = Gv (Cvs - Cva)
Where,
E is transpiration.Gv is the total vapor water conductance.Cvs is the water concentration inside the leave.Cva is the air water concentration.What is translocation?Translocation is a fast and dynamic process through which photosynthetic products are transported from the leaves to other tissues of the plant to be used or stored.
This transport is done by the phloem cells through active transport or osmosis (depending on the substance).
The translocation of elements from the leaves to the roots is fast.
In conclusion,
The chemical equation for transpiration is E = Gv (Cvs - Cva). Translocation is the movement of photosynthetic products from leaves to other plant tissues.You can learn more about translocation and transpiration at
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which statement is false about base stacking when nucleic acids are in a double-stranded conformation?
The statement that is false about base stacking is; B. Stacking interactions are hydrophilic in nature.
What is the truth about Base Stacking?Base stacking is defined as a common arrangement of nucleobases that are found in the three dimensional structure of nucleic acids. Bases (or base pairs) are planar, and these planes stack at contact distance , excluding water and maximizing Van der Waals interactions.
Looking at the given options, the only one that can be said to be false about the defined base stacking above as regards nucleic acids is option B.
The missing options are;
A. Stacking interactions occur when two or more bases are positioned with their rings parallel to each other.
B. Stacking interactions are hydrophilic in nature.
C. Stacking involves a combination of van der Waals and dipole-dipole interactions between bases.
D. Base stacking helps to minimize contact of the bases with water.
E. Base stacking interactions are important in stabilizing the three-dimensional structure of nucleic acids.
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Which concept is part of the theory of evolution by natural selection
Answer:
New generations are better suited to survive than previous generations.
Explanation:
Darwin's evolutionary theory states that evolution is the slow process through which organisms change over time. Natural selection is the process by which evolution takes place. Variation in organisms, some of which offers an adaptive benefit, may be passed down from generation to generation. Better suited organisms will have a higher probability of surviving and procreating, and they will also pass on these phenotypic modifications to the offspring. Evolution is a long, protracted process because these phenotypic changes occur gradually across generations at the species level. As a result, it is anticipated that future generations would be better adapted to endure in the same environmental circumstances.
What percent of organic matter sink into deeper water where it may be removed effectively from the atmosphere?
The percentage of organic matter which sinks into deeper water is; 10%.
What is organic matter?The percentage of organic matter produced in the euphotic zone and which subsequently, sinks to deep waters is 10%.
This can be attributed to the fact that 90% of the organic matter produced in the euphotic zone is decomposed in the euphotic zone.
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Students are modeling mRNA during the process of protein synthesis. Which answer choice correctly describes the model of the mRNA strand being transcribed?
The mRNA strand is complementary to the DNA template strand; however, uracil instead of thymine is paired with adenine.
What is RNA?This is referred to as ribonucleic acid with its base adenine being paired with uracil.
The mRNA strand which is known as messenger RNA is complementary to the DNA template strand and carries protein information from the DNA to cytoplasm for appropriate translation.
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Can anyone tell me the Plant taxonomy Of any 10 flowers with 1 line explanation of each one
Plant taxonomy is the classification of a plant based on different levels (taxa) such as kingdom, division (phylum), class, order, family, genus, species.
What is taxonomy of ten flowers?The taxonomy of few flowers is as follows:
For Rose flower ; Kingdom : Plantae, Division: Magnoliophyta, Class: Magnoliopsida, Order: Rosales, Family: Rosacea, Subfamily: Rosoideae, and Genus: Rosa, Species: Rosa gallica and Rosa canina.For hibiscus flower: Kingdom: plantae, class: Magnoliopsida, Order: Malvales, Family: Malvaceae, Genus: Hibiscus L.For Buttercup ; Kingdom: Plantae ; Division: Magnoliophyta ; Class: Magnoliopsida ; Order: Ranunculales ; Family: Ranunculaceae,Genus: Ranunculus.For California Poppy: Kingdom: Plantae · Phylum: Spermatophyta · Subphylum: Angiospermae · Class: Dicotyledonae · Order: Papaverales, Family:Papaveraceae.For Daffodil: Domain: Eukaryota · Kingdom: Plantae · Phylum: Spermatophyta · Subphylum: Angiospermae · Class: Monocotyledonae.For sunflower: Kingdom; plante, Division;tracheophytes,Class;Magnoliopsida,Order; Asterales, Family:Asteraceae, Genus: Bellis L. – bellis, Species: Bellis perennis L.For tulip: Kingdom; Plantae, Phylum;Spermatophyta, Subphylum;Angiospermae, Class;Monocotyledonae, Phylum:Spermatophyta, Domain: Eukaryota. For balsam: Kingdom; Plantae, Division; Tracheophyta, Class; Pinopsida conifers,Order; Pinales pines, Family; Pinaceae pines, Genus Abies M., Species: Abies balsamea (L.).For lily: Kingdom; Plantae, Division Tracheophytes, Class; Magnoliopsida, Order;Liliales, Family; Liliaceae, Genus; Lilium.For coneflower: Kingdom; Plantae, Division; Tracheophyta, Class: Magnoliopsida, Order: Asterales, Family: Asteraceae, Genus; Echinacea, Species Echinacea purpurea (L.).Therefore, Plant taxonomy is the classification of a plant based on different levels (taxa) such as kingdom, division (phylum), class, order, family, genus, species.
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Alpa wants to change 0.54 kilometers into a smaller metric unit. She will have to
The correct answer is that she has to multiple
Multiple
Explanation:
Hope its help
Hope its help
Aero in aerobic and anaerobic respiration stands for?
Owater.
Ohydrogen.
O carbon.
O oxygen.
Binomial nomenclature gives people their first and last names, such as John Doe
True
False
Answer:true
Explanation:
Answer:
False.
Lets look about a Binomial nomeclature.
Explanation:
Binomial NomenclatureThis is the scientific system of naming organisms whereby each name is made up of two latin words;Generic name from the Genus of the organism and Specific name from the Species of the organism.Common examples of organisms names with their scientific names as named by this system includes:Organism Scientific nameHuman being Homo sapiensDomestic cat Felis catusHousefly Musca domesticachlorophyll a molecules absorb ____ light
chlorophyll is a molecule that absorbs red and blue light
What is the chlorophyll?Chlorophyll is a green pigment located in the mesosomes of cyanobacteria and in chloroplasts of plants used in photosynthesis.
The chlorophyll is known to absorb red and blue wavelengths from the sun.
Therefore, chlorophyll is a molecule that absorbs red and blue light.
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An immunocompromised host is one who shows a decrease in ______.
An immunocompromised host is one who shows a decrease in the ability to mount an immune defense to infection because the immune system is damaged and it is weak which can not fight infections.
What is immunocompromised host?An immunocompromised host refer to a person whose immune system is weak or damage and does not have tye ability to fight incoming infections.
Therefore, An immunocompromised host is one who shows a decrease in the ability to mount an immune defense to infection because the immune system is damaged and it is weak which can not fight infections.
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according to the avma, which method is acceptable, when used by itself, for euthanasia of rabbits?
According to the avma, the acceptable method, when used alone, for the euthanasia of rabbits are barbiturates and barbituric acid derivatives.
What is the method of euthanasia in rabbits?Recommended methods of euthanizing rabbits depend on the facilities and conditions in which the animals are housed and maintained. in a controlled as a biomedical research facility where researchers have access to restraint devices and controlled drugs, intravenous injection of barbiturates is generally used.
With this information, we can conclude that according to the avma, the acceptable method, when used alone, for the euthanasia of rabbits are barbiturates and barbituric acid derivatives.
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Carbonization is a type of fossilization that:
The characteristic of fossil fuel is that; it creates a 2D film of residue where an organic object used to be.
What type of fossilization is Carbonization?Carbonization as a means of fossilization is characterized by the fact that: it creates a 2D film of residue to replace an organic object used to be. On this note, it follows that the fossil record in this scenario is biased towards preservation of organisms with characteristic hard parts like shells.
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The ________ communicates with the lower bladder to enable excretion of urine from the body.
The urethra is an organ which communicates with the lower bladder in order to enable excretion of urine from the body of a living organism.
What is an excretory system?An excretory system refers to a living system that is saddled with the responsibility of removing waste products from the body of a living organism, so as to prevent damage to the body and help maintain homeostasis.
Based on scientific information, the urethra is an organ which communicates with the lower bladder in order to enable excretion of urine from the body of a living organism.
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Select the correct answer from each drop-down menu. cholera is a bacterial infection of the small intestine. vaccination provides protection against cholera. the cholera vaccine is made up of a weakened form of the bacteria that causes cholera. the vaccine will stimulate production and elicit an immune response. if the infection occurs again, the body will produce an even greater attack on the bacteria because of .
The correct option are as follows:
cholera is a bacterial infection of the small intestine.
vaccination provides protection against cholera.
the cholera vaccine is made up of a weakened form of the bacteria that causes cholera.
the vaccine will stimulate production and elicit an immune response.
If the infection occurs again, the body will produce an even greater attack on the bacteria because of acquired immunity.By injecting a heat-killed, weakened organism or its component (antigen) into the body, vaccination aids in the development of immunity. Memory cells and antibodies are produced as a result.Memory cells aid in the development of immunological memory, which helps the immune system to respond to microorganisms that the body has previously encountered with greater strength and efficiency during a secondary immune response.Memory B cells and memory T cells aid in the development of immunological memory.learn more about cholera here: https://brainly.com/question/11346645
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During an action potential, the rapid decrease in sodium permeability and simultaneous increase in potassium permeability is responsible for __________.
the repolarization of the cell.
Mechanism :
Action potentials are signals that are sent and received by muscle and nerve cells. Because of the negative concentration gradient in the resting membrane potential of nerve cells, there are more positively charged ions outside the cell than inside. There are more sodium ions outside the cell and more potassium ions within because these positively charged ions are sodium ions. Action potentials cause the membrane to depolarize, which is followed by the process of repolarizing the cell. The membrane potential changes and reverts to the negative value of the resting potential during repolarization. The potassium channels open and the sodium channels close at this stage, allowing the nerve cell to lose positively charged ions.
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Scientists predict that the human population will continue to increase. Which
two events are likely to occur as a result?
A. The amount of water released into streams and rivers will
increase.
B. The amount of natural space will decrease as suburban areas
increase.
C. More people will move to the cities, increasing the amount of
natural space.
D. Air pollution will increase due to increased use of fossil fuels.
Answer:
Air pollution will increase due to increased use of fossil fuels and the amount of natural space will decrease as suburban areas increase.
Sexual reproduction increases the genetic variation of a species because:
Answer:
Sexual reproduction increases the genetic variation of a species because it involves combining of genetic materials of two parents/individuals to form an offspring.
Explanation:
Sexual reproduction is a type of reproduction that involves formation of an offspring by combination of male and female gametes. Each gamete carries a haploid set of chromosomes. When gametes from both the parents combine, a zygote is formed which has a diploid set of chromosomes. So, sexual reproduction involves combination of genetic materials of two different individuals, hence, it leads to genetic variation.
The process of ________ helps to ensure that a scientist’s research is original, significant, logical, and thorough.
Answer: peer review
Explanation:
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How many nuclei do neutrophils have?
Neutrophils have only one nucleus with between two to five lobes present in its cells.
What is a Neutrophil?These are granulocytes and comprise of majority of the white blood cells found in the body.
They however have only one nucleus but are multi lobed in their structural composition thereby making it the most appropriate choice.
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Which structures are involved in creating insulin inside pancreatic cells and to liver cells
Answer:
i have no idea ....................
Answer:
I think the answer is pancreatic isletsWhy is there no output from the photo-electric cell when the RLG is not moved?
There is no output from the photoelectric cell when the RLG isn't moved because the laser beams are 180 degrees out of phase.
What is a photoelectric cell?A photoelectric cell is also known as phototube and it can be defined as an electronic tube (device) that is fitted with a photosensitive cathode, which emits electrons when illuminated, as well as an anode that collects the emitted electrons.
Based on scientific research and experiment, we can logically deduce that there is no output from the photoelectric cell when the ring laser gyro (RLG) isn't moved because the laser beams are 180 degrees out of phase.
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Why socialist government turn authoritarian
The reason why socialist governments often turn authoritarian are:
Having too much power eventually corrupts the holder. When resistance builds, they try to suppress it because they feel socialism is the best way.Why does socialism sometimes become authoritarianism?Socialist governments tend to have too much power vested in the Executive in order to properly plan the economy. As a result, they often get corrupted because their power is inhibited.
When this corruption leads to inefficiency, authoritarianism is introduced to ensure that the citizens cannot overthrow the government which wants to keep power.
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