Answer : (A) "It reflects waves off of objects, measuring the difference of the waves it sends and receives".
Explanation :
In Doppler radar system, radio waves emitted from an antenna. It gives information about the motion of targets and their position.
Phase change between a transmitted wave and received echo is calculated using Doppler radar system.
It also gives radial velocity i.e. velocity in the direction of radar. If the phase shift is positive this means the motion is toward the radar and if the phase is negative this implies the motion is away from the radar.
So, the correct option is (A) "It reflects waves off of objects, measuring the difference of the waves it sends and receives".
Why was natural selection an important contribution to the theory of evolution?
Answer:
Natural selection is an important contribution to the theory of evolution because it increases an individual's ability to survive and compete and reproduce.
Explanation:
Question 20 of 25
Exponential population growth cannot continue when organisms begin to
O A. adapt
OB. reproduce
OC. compete
OD. mutate
analyze and evaluate whether the examples are likely or not likely to result in differential reproductive success.
answer asap
The examples that most likely result in differential reproductive success are height, disease-resistant, intelligence level, colorful plumage, etc.
What is Reproductive success?Reproductive success may be defined as the methodology of the demise of genes to the next generation in a manner that they similarly can pass those genes on to the next generation.
Reproductive success is the outcome of relative fitness which include two parameters such as relative survival and relative reproduction.
Reproductive success is assumed a significant determinant of gatherings that are preferred by the strategy of natural selection.
Therefore, the examples of reproductive success are clearly mentioned above.
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What is the function of lysosomes?
Answer:
To break down bacteria
Explanation:
Answer:
it contains lytic enzymes that destroy aged and unwanted cell organelles. it sometimes destroys the entire cell.the key point is it destroys aged and unwanted cell organelles.
———is to animals cells as cellulose is to plant cel
Answer:
lipids and protein is to animal cells as cellulose is to plant cell
Which describes the smallest basic unit of a substance that still displays the properties of that substance? Which describes the smallest basic unit of a substance that still displays the properties of that substance ?
Answer:
Atoms. An atom is the smallest unit of a pure substance or element that can exist and still retain the properties of the original substance or element.
A simulation shows whether changing various weather conditions increases
the likelihood that a hurricane will form. Which type of model is this?
• A. It is mathematical.
•
B. It is physical.
• C. It is conceptual.
O D. It is computer-generated.
The type of model which shows the transformations of weather conditions that increase the likelihood that a hurricane will form is conceptual. Thus, the correct option is C.
What is Simulation?Simulation may be defined as a standard that is developed and designed to mimic the function and procedure of a current real-life system or genuine spectacle, so as to improve the knowledge to investigate, examine, and construct reported conclusions about it.
It shows the conceptual model of simulation because it demonstrates the association between the cause and the effect.
In the context of this question, the simulation which shows whether changing diverse weather conditions improves the probability that a hurricane will create is neglected.
Therefore, the correct option for this question is C.
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What controls differentiation? Choose the correct answer .
Gene expression controls differentiation of cells. Details about differentiation can be found below.
What is cell differentiation?Cell differentiation is a cellular process in which the cells of multicellular organisms advance in organization and acquire special organs for specific purposes.
Cell differentiation is what forms specific cells that are adapted to specific roles in multicellular organisms.
However, this process of differentiation is as a result of the expression of genes at different times, since, all cells of an organism contains the same genes.
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Preservation of Habitats - Everglades NP, FL. North of the park border, if developers or farmers drain and utilize this land, what will happen to the source of water for the Everglades, and therefore to the ecosystem of the Everglades
Farmers draining and utilizing the land the Everglades will dry up the source of the water of the Everglades and disrupt the ecosystem of the Everglades.
What is a habitat?
A habitat is an area where living organisms are found and make their home.
The Everglades is an wetland habitat where the land is covered by water most times of the year.
Farmers draining and utilizing the land of the Everglades will result in the source of the water of the Everglades drying which will disrupt the ecosystem of the Everglades.
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How is nitrogen gas fixed biologically?
A. combustion of fossil fuels
B. decomposition of organic matter
C. respiration of living organisms
D. bacteria in plant roots and soil
Answer:
D. BACTERIA IN PLANT ROOTS AND SOIL
Suppose an mRNA consists of 60 nucleotides; it directs a primary polypeptide chain containing __________ amino acids to be synthesized.
An mRNA that consists of 60 nucleotides directs a primary polypeptide chain containing 18 amino acids to be synthesized.
What is the genetic code?The genetic code is a series of instructions by which a cell can synthesize proteins through two sequential processes: transcription (mRNA) and translation (protein).
The translation is produced from messenger RNAs (mRNAs), where triples of nucleotides or codons give rise to specific aminoacids.
In conclusion, an mRNA that consists of 60 nucleotides directs a primary polypeptide chain containing 18 amino acids to be synthesized.
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Question 7 (True/False Worth 1 points)
(05.03 LC)
The correct way to calculate population density is by dividing the total population by the land area.
O True
O False
Answer: true
Explanation:
Most transmembrane proteins have ___________ regions facing the intra- and extracellular fluid, and __________ regions embedded in the phospholipid bilayer.
Most transmembrane proteins have hydrophilic regions facing the intra- and extracellular fluid, and hydrophobic regions embedded in the phospholipid bilayer.
What is transmembrane protein?Transmembrane proteins are membrane proteins that surrounds the entire entity of the cell connecting both the outside and the inside of the cell.
The hydrophilic regions are the regions that are water loving which faces the intra- and extracellular fluid.
The hydrophobic regions are the regions that repels water and they are found within the phospholipid bilayer.
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Colorado has a vast population of lodgepole pines. A population of lodgepole pines has been killed in a section of the forest. What is a possible limiting factor of that population?
devastation by the pine bark beetle
Colorado’s long history of acidic soils
genetic variability
shallow root system
The possible limiting factor is the devastation by the pine bark beetle.
What is a limiting factor?A limiting factor is any factor that affects the size of a population of organisms which inhibits their growth or even existence.
The possible limiting factor of population of lodgepole pines is the devastation by the pine bark beetle.
This is so because only a section of the population was affected and not the whole.
If it was the Colorado’s long history of acidic soils, genetic variability and shallow root system, the whole population of lodgepole pines would have been affected.
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Answer:
a. devastation by the pine bark beetle
Explanation:
ASAPPPP EASYYYY ILL MARK BRAINLY
Select all direct effects increasing UVR have on animals?
is
a) reduces immunity to diseases
a direct effect increasing UVR have on animals
a. reduces immunity to diseases
The effect increasing UVR has on animals is reducing immunity to diseases.
What is UVR?A body could be heated to an incandescent temperature to generate UV radiation, which seems to be the case with solar UV, or an electric current would be sent through a gas, typically vaporized mercury, to generate UV radiation.
What are diseases?A disease would be a specific aberrant state that adversely affects an organism's structure as well as function on the whole or in part, and which could be not immediately brought on by any external trauma.
Therefore, the correct answer will be an option (a)
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After absorption, long-chain fatty acids and monoglycerides inside intestinal cells are
After absorption, long-chain fatty acids and monoglycerides inside intestinal cells are reformed into triglycerides.
Where are long chain triglycerides absorbed?As previously mentioned, MCTs do not delay gastric emptying and are absorbed faster in the intestine than MCTs, being transported via blood to the liver.
In this case, long-chain triglycerides are oils or fats of vegetable or animal origin, and are obtained from the reaction between a fatty acid and glycerol.
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The most powerful fmri tests suggest that the language areas of the cortex are:
The most powerful fmri tests suggest that the language areas of the cortex are patchy, widespread, and variable.
What is a cortex?It should be noted that a cortex is the outer or the superficial part of an organ.
In this case, the most powerful fmri tests suggest that the language areas of the cortex are patchy, widespread, and variable.
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True or false? the chemiosmotic hypothesis states that the synthesis of atp generates a proton gradient that leads to electron flow through an electron transport chain.
Answer:
False
Explanation:
The chemiosmotic hypothesis states that the flow of electrons through an electron transport chain generates a proton gradient that leads to the synthesis of ATP. A proton gradient across chloroplast and mitochondrial membranes drives ATP synthesis by the enzyme ATP synthase.
I need the answer asap
Answer:
Executive
Explanation:
having the power to put plans, actions, or laws into effect.
One half-life of a radioactive isotope has passed when:
a. all the parent nuclei have become daughter nuclei.
b. the number of daughter nuclei is twice the number of parent
nuclei.
c. the number of daughter nuclei is half the number of parent nuclei.
d. the numbers of parent and daughter nuclei are equal.
Answer:
C the number of daughter nuclei is half the number of parent nuclei.
Compare the origins of the common carotid arteries of the fetal pig with those of the human.
The comparison is that in humans, only one carotid arteries branches from the brachiocephalic artery while for the fetal pig, both arteries branches from the brachiocephalic artery.
What is the comparison of the Arteries?
The difference between the origins of the carotid arteries in the human heart and the fetal pig is that In a human, the right carotid arteries branches from the brachiocephalic artery, while the left common carotid artery comes directly out of the aortic arch.
Meanwhile, In the fetal pig, both carotid arteries branch from the brachiocephalic artery.
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Suggest why glucose is converted to glycogen rather than kept as glucose inside the cells
Explanation:
after a main glucose and the liver and level of blood glucose rise this successful course is guilt with by the glucose lenses which is the liver Converse glucose into glycogen for storage the glucose that is not stole is used to produce energy by a process called glycolysis
A new allele added to the gene pool provides an advantage. The individual with the allele breeds and passes on the trait to their offspring.
This describes the evolutionary effects of what process?
A. genetic drift
B. gene flow
C. mutation
D. random mating
10 The table shows the scientific names and the common names of four plants.
scientific name
Althea officinalis
Hottonea palustris
Viola palustris
Viola tricolor
common name
marshmallow
water violet
marsh violet
wild pansy
Which word in their names shows that two of the plants share the greatest number of features?
A marsh
B palustris
C Viola
D violet
Answer:
A marsh the answer is A
Explanation:
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The word in their names shows that two of the plants share the greatest number of features is marsh. Therefore, option A is correct.
What is marsh ?A marsh is a type of wetland where herbaceous plant species, not woody ones, predominate. The transition between the aquatic and terrestrial ecosystems is commonly formed by marshes, which are frequently found along the borders of lakes and streams. Grass, rush, or reeds frequently rule over them.
Cattails, sedges, papyrus, and sawgrass are typical examples. Most aquatic creatures, including fish and salamanders, can survive in water with little oxygen.
In a marsh, herbaceous plants make up more than half of the vegetation, and the pH of the soil is neutral. There are fewer than 30% woody plants in the area. Throughout the growth season, a marsh has standing water for extended periods of time.
Thus, option A is correct.
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A nursing instructor is reviewing the role and function of stem cells in the bone marrow with a group of nursing students. After providing the explanation, the instructor asks the students to use their knowledge of anatomy and physiology to determine an alternate way in which adults with diseases that destroy marrow can resume production of blood cells. Which explanation by the students is correct
Bone marrow transplant is the alternate way that destroy marrow can resume production of blood cells.
Determine an alternate way for destroy marrow?A bone marrow transplant, is the treatment and an alternate way that destroy marrow can resume production of blood cells. If a donor is found, your diseased bone marrow is depleted with radiation or chemotherapy and the new bone marrow is transplanted.
So we can conclude that bone marrow transplant is the alternate way that destroy marrow can resume production of blood cells.
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The given graph shows the amount of waste generated, dumped and treated in percentage. Identify the reason of low success rate of waste management process.
Waste disposal and waste management are significant problems in today's world. Garbage generation and disposal pose a real threat, resulting in server environmental issues. The issue is not with biodegradable or recycled waste. We recognize the need to reduce non-biodegradable waste. In this only 15% of urban waste is processed, and less than 60% of waste is collected from households. The correct option is d.
What is waste disposal?Waste disposal is the collection, processing, recycling, or disposal of human society's waste materials. Waste is classified according to its source and composition.
Waste disposal and waste management are significant problems in today's world. Garbage generation and disposal pose a real threat, resulting in server environmental issues.
The issue is not with biodegradable or recycled waste. We recognize the need to reduce non-biodegradable waste.
In this only 15% of urban waste is processed, and less than 60% of waste is collected from households.
The missing options of the question are attached below
Thus, the correct option is d.
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which type of study that a student is doing by exploring the external features of an animal
Answer:
ethology
Explanation:
I just looked it up
Question 3 of 10
What was the purpose of treating the radish seeds for the lab "Radical
Radishes" with radioactive cobalt-60?
A. To cause mutations in the radish embryos
B. To hybridize normal radish DNA with a radioactive DNA probe
C. To kill all the living microorganisms on the seeds
D. To produce labeled probes with radish DNA
SUBMI
The purpose of treating the radish seeds with radioactive cobalt-60 is to cause mutations in the radish embryos (Option A).
What is chemical mutagenesis?Chemical mutagenesis is a technique used in molecular biology laboratories by inducing mutations in germinal cells.
Chemical mutagenesis is very useful to link an anormal phenotype to a mutated gene, an approach known as reverse genetics.
In conclusion, the purpose of treating the radish seeds with radioactive cobalt-60 is to cause mutations in the radish embryos (Option A).
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Information collected directly with the senses is
What two layers are the smooth muscle cells arranged in?
Answer:
The smooth muscle in the intestine is arranged into two layers: an inner circular layer and an outer longitudinal layer.
The two layers that the smooth muscles cells are arranged in are; an inner circular layer and an outer longitudinal layer.
What are the Intestine Muscles?The smooth muscle cells of the intestine has three layers of smooth muscle that consists of the outer longitudinal, the middle circular, and the inner oblique muscles.
Now, out of all the three layers listed above, the two layers that the smooth muscles cells are arranged in are an inner circular layer and an outer longitudinal layer.
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