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Maslowich
3 years ago
9

Which of the following is not supported by the endosymbiotic theory?

Biology
1 answer:
cestrela7 [59]3 years ago
6 0
The answer is C the ancient photosynthetic prokayotes evolved into modern chloroplasts.
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How do bacteria develop resistance to drugs
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Answer: Bacteria gain resistance to drugs because of mutations (permanent and random changes to their DNA) which means they have changed DNA coding, giving them the ability to resist the drug fighting them off. As a result, they survive and reproduce. Over time, more and more bacteria are generated as the DNA code for resistance is passed on over generations. This results in bacteria having the ability to resist drugs. This is particularly prevalent with antibiotics.

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Interstitial cells surrounding seminiferous tubules produce testosterone in response to __________.
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Interstitial cells surrounding seminiferous tubules produce testosterone in response

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3 years ago
True or false: during stressful events, there is decreased blood supply to the skin, which results in "goose bumps."
Sonbull [250]
False.
In a stressful event, there will be a hormone released to the blood called adrenaline. Adrenaline hormone can prepare the body for fight or flight response. One of the effects of this hormone is making the muscle around hair called musculus arrector pili contracted. This contraction of the muscle is what causing the goosebumps. The decreased blood supply has no role in this event.
5 0
3 years ago
WILL GIVE A BRAINLEST
natka813 [3]
<h3><u>Answer;</u></h3>

absorbed by Earth’s core

When energy from the sun reaches Earth, it is not <em><u>absorbed by Earth's core.</u></em>

<h3><u>Explanation;</u></h3>
  • <em><u>The energy from the sun reaches the earth, such that 23 percent of the incoming solar radiation is absorbed by the atmosphere by water vapor, dust and ozone. </u></em>
  • <em><u>48 percent of the solar energy is absorbed by the earth's surface, this translates to 71 percent of the energy which is absorbed by the systems of the Earth.</u></em>
  • <em><u>The remaining 29 percent is reflected back to space by clouds, atmospheric particles etc. </u></em>
8 0
3 years ago
Read 2 more answers
A farmer is experimenting with pea plants. If the farmer crosses two pea plants with round and yellow peas (genotype RrYy) how m
seropon [69]

Answer:

The genotype of both parents is RrYy.

The possible types of gametes would be RY, Ry, rY, and ry.

The cross would produce offspring that can have one out of four types of phenotypes:

  • Round and yellow seeds (1 RRYY+ 2 RrYY +2 RRYy + 4 RrYy) = 9/16
  • Wrinkled and yellow seeds (3 rrYy) = 3/16
  • Round and green seeds (1 RRyy + 2 Rryy) = 3/16
  • Wrinkled and green seeds (rryy) = 1/16

Thus, one out of 16 offspring would have wrinkled and green seeds.

4 0
3 years ago
Read 2 more answers
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