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AysviL [449]
3 years ago
10

Male sterility can result from excessively high temperatures around the testes. what adjustment is made to counteract the effect

s of high temperature?
Biology
1 answer:
Natalija [7]3 years ago
6 0

The scrotum reacts to temperature.  When it is cold, the scrotum shrinks, pulling the testes against the body to keep them warm.  When it is hot, the scrotum relaxes, lowering the testes away from the body.  This contractile ability of the scrotum can either raise or lower the temperature of the testes by a few degrees, ensuring that the optimum temperature for sperm production is maintained.

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Answer:

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2 years ago
Where are you likely to find cartilage?
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3 years ago
Scientists have successfully cloned animals, including mammals such as sheep. Which statement provides the most likely reason th
tigry1 [53]

Answer:

4) Some people consider human genetic experiments

unethical.

Explanation:

1) Humans have DNA that is structurally very different from

other mammals.

2) Cloning can only he performed on animals that normally

reproduce asexually.

3) Human genes are made of too many different types of

simple sugars.

4) Some people consider human genetic experiments

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The statement that provides the most likely reason that a human has not yet been cloned is that some people consider human genetic experiment unethical.

<em>Option 1 is incorrect because human DNA is similar in structure to other living organisms with components such as a phosphate group, a deoxyribose sugar and purine/pyrimidine bases.</em>

<em>Option 2 is incorrect because cloning is not limited to asexually reproducing organisms only. Sheep, for example, produces only sexually and has been successfully been cloned.</em>

<em>Option 3 is incorrect because human genes, just like every other organisms is consist of DNA with deoxyribose pentose sugar being one of the components. The situation of too many different types of simple sugars doe not arise.</em>

The correct option is 4.

6 0
2 years ago
A scientist who studies macroevolution would probably _____.
notsponge [240]
The best answer would be "research reasons why species change over long periods of time" 

if not i apologize but this is my best guess<span />
6 0
3 years ago
Read 2 more answers
Facilitated diffusion allows certain kinds of compounds that are normally blocked by the cell
Viefleur [7K]

Answer:

Potassium

Explanation:

All of the options are compounds, except for potassium which is an element

8 0
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