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lara31 [8.8K]
3 years ago
14

Answering by analyzing this picture.

Biology
1 answer:
loris [4]3 years ago
8 0

Answer/Explanation:

a. When pesticides is sprayed on the leaf, the population of non-resistant insects reduce drastically as many would not be able to survive or reproduce.

b. Resistant insects that are few initially would be able to survive the spray of pesticides. Overtime, these few resistant insects reproduce more offsprings that carry the resistant genes to these pesticides. As a result, the population of resistant insects become increased more than the non resistant insects.

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In an analysis of the nucleotide composition of DNA, which of the following proportions will be found?
katrin [286]

Answer:

With respect to the composition of DNA, in an analysis it can be found that the proportions of nucleotides are A + C = G + T (option a).

Explanation:

The proportion of nucleotides in a DNA molecule can be established according to the sequence of these nucleotides on both complementary strands, since the purinic bases of one strand are complemented by the pyrimidinic bases of another:

  • <em>Adenine is complemented with Thymine A=T</em>
  • <em>Guanine is complemented with Cytosine G=C</em>

From this we can deduce that in a DNA molecule with two chains there will be the same amount of adenine and thymine, as well as the same number of guanine with respect to cytosine, so:

<em>     A + C = G + T</em>

An example of this would be a known DNA molecule (hypothetical), with 5 molecules of Adenine and 7 molecules of Guanine. In this case there are 5 Thymines, complementary with Adenine, and 7 Cytosines like Guanine:

<em>     A + C = G + T</em>

<em>     5 + 7 = 7 + 5</em>

6 0
3 years ago
Which derived character is shared by lizards and wolves but not frogs? A. jaw bones B. four-legged locomotion C. amniotic eggs D
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A. jaw bones

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4 years ago
Which of the following does not contribute to the cell’s membrane potential?
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Answer will be b for question
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What is accepted as a fact BIOLOGY 1
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What were the ultimate consequences of wealth inequalities during the 18th century?
amm1812

Answer:

It led to a wide range of protests by the people which brought about revolution

Explanation:

The ultimate consequences of wealth inequalities during the 18th century was wide range of protests by the people which brought about revolution.

This was because of the high poverty rate and difference between the classes in the society as the rich got richer due to policies which favored them while the poor got poorer due to the bad policies which made them register their displeasure and move for a revolution.

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4 years ago
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