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grandymaker [24]
3 years ago
7

Explain how mutations is a random process but natural selecti onis not random

Biology
1 answer:
Anton [14]3 years ago
3 0
Mutations can be man made but natural selection is a species changing due to the environment
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C4 plants occur more commonly in desert conditions because _____. a. they can fix carbon at the lower CO2 concentrations that de
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Answer:

a. they can fix carbon at the lower CO2 concentrations that develop when the stomata are closed

Explanation:

C4 plants are those that have the capacity to fix CO2 even when a tiny concentration of it is available.

Desert condition is characterized by dryness and strong heat with both condition capable of creating water stress in plant as a result of evapotranspiration. In order to reduce evapotranspiration rate, desert plants (most C4 plants) close their stomata during the day.

<em>Stomata closure limit the diffusion of CO2 into desert plants and the small concentration of CO2 that results is utilized by a special enzyme in the plants.</em>

The correct option is a.

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Antibiotics added to livestock feed have been found to:
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Antibiotics added to livestock feed have been found to increase their growth rate, reduce incidence of infection, reduces mortality and improve feed conversion ratio or feed efficiency.
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The structure of a substrate P strongly resembles substrate Q. In an experiment, By mistake P was used instead of Q as a substra
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<h3><u>Answer;</u></h3>

C) P and Q have similar binding properties

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  • <u><em>An enzyme catalyzed reaction occurs when the substrate binds to the active site of an enzyme to form and enzyme-substrate complex. </em></u>
  • <em><u>Substrate P and Q are structurally similar which means they are in a position of binding and fitting in the active site of an enzyme. The strong structural similarity means that the binding properties of these two different substrates may be similar. </u></em>
  • <em><u>Formation of similar products or results when acted upon by an enzyme mean they are similar in terms of their binding properties, and thus the production of similar product.</u></em>
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