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Tema [17]
3 years ago
9

How did DDT nearly drive the Peregrine Falcon to extinction in the 1950s and 60s?

Biology
2 answers:
Nikolay [14]3 years ago
7 0
The answer is a reproductive disruption That should be The right answer
liberstina [14]3 years ago
3 0
The answer is A. Reproductive Disruption
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What is the mass of an orange
lord [1]
It mostly depends on the size of the orange
If the orange is a medium size and average weight then it would most likely be 131 grams
If it's a smaller orange then it would be around 96 grams
If it is a large orange then it would be around 184 grams

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2. Which of the following statements describes nonrenewable resources?
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Answer:

Nonrenewable resources are never replaced.

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3 years ago
In the process of diffusion what is required for a molecule to move into or out of the cell
fomenos
Diffusion or facilitated diffusion). The cell must expend energy.
6 0
3 years ago
If negative selection of T-lymphoctyes in the thymus never occurred, what would likely happen? The specificity of the immune sys
miskamm [114]

Answer:

The correct answer would be "T-lymphocytes would bind self-antigens".

Negative selection of T-lymphocytes takes place in the cortico-medullary junction in the thymus.

It removes T-lymphocytes which show high-affinity binding with self-antigen. Thus, it helps in introducing self-tolerance in T-lymphocytes.

In absence of negative selection, T-lymphocytes which show high-affinity binding for self-antigen would survive and develop into mature T-lymphocytes.

Consequently, T-lymphocytes would able to bind to self-antigens of the body which can result in autoimmune disease.

3 0
3 years ago
If ____________ is present in chyme, it can interfere with the recycling of used bile salts. As a result, the used bile salts ar
kolezko [41]

If <u>soluble fibers</u> is present in chyme, it can interfere with the recycling of used bile salts.  As a result, the used bile salts are <u>eliminated </u>in <u>feces.</u>

<u />

  • Oats, flaxseed, barley, psyllium, and pectin are examples of soluble fiber. Among the insoluble fibers are wheat bran, lignin's, and cellulose.
  • Bile salts are eliminated more quickly from the body as a result of soluble fibers binding bile acids in the colon. As a result, the liver's ability to produce bile acids is enhanced.
  • Additionally, soluble fiber binds to bile acids to stop them from being absorbed into the body. '
  • As a result of the liver using more of the blood's cholesterol to make more bile acids, less cholesterol is present in the bloodstream. and the bile salts gets eliminated in the feces.

learn more about bile salts here: brainly.com/question/15217814

#SPJ4

4 0
2 years ago
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