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PSYCHO15rus [73]
3 years ago
7

Which is true about one strand of DNA?

Biology
2 answers:
FinnZ [79.3K]3 years ago
7 0

Answer:

it \\contains\\many\\genes

I know because I got an 100% on my quiz :D

White raven [17]3 years ago
5 0

Short For DeoxyribonucleicAcid It Contains Genes

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4. How does temperature affect chemical weathering?
nordsb [41]

Answer:

C.

Explanation:

It affects the rate of weathering.

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2 years ago
New ecosystems have been created by human land use. Please select the best answer from the choices provided T F
LiRa [457]

False,

Reason -

As per the researchers, the various land uses created by man has led to reduction in the diversification of species. As per a study conducted by Stock A. Jhonson, the biodiversity of a local area has reduced by a factor of 14 percent due to varied land use practices. Also the abundance of an organism has also reduced by a factor of 11 percent.

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Siblings will have the same nuclear DNA, but different mtDNA.<br> true or false
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This is true because if they didn't they wouldn't have the same biological mother.
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3 years ago
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When your Math teacher was handing out the test, you noticed that your respiration rate and heartbeat increased, your palms got
Papessa [141]

Answer:

My pretest behaviors were triggered by the sympathetic nervous system, while my body returned to its normal state by the way of the parasympathetic nervous system, after the test.

Explanation:

The sympathetic nervous system and the parasympathetic nervous system are part of the autonomic nervous system. The main function of the autonomic nervous system is to regulate the heart, kidneys, and liver which are not under voluntary control. The regulation of the body’s unconscious actions is executed through the sympathetic and the parasympathetic nervous system.

Upon exposure to stressors or threats, the sympathetic nervous system is triggered. Epinephrine and norepinephrine are then released, causing acceleration of the heart, constriction of blood vessels, increase in blood pressure, profuse sweating and other related responses against stress. The sympathetic nervous system controls all these involuntary responses that could be termed “fight-flight-or-freeze” response.

On the other hand, the parasympathetic nervous system initiates what is termed “rest and digest” response, which occurs immediately after the “fight-flight-or-freeze” phase response to stress is over. The body is returned to its normal state by the parasympathetic nervous system. The parasympathetic nervous system releases acetylcholine, which regulates the function of the body during a period of rest or recuperation.  

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3 years ago
Column A
Alex_Xolod [135]
One and the letter D
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