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Greeley [361]
2 years ago
7

(20 points!) {brainliest} pls help

Biology
1 answer:
Marat540 [252]2 years ago
6 0
I think it is C .............
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100 POINTS!!!!!!!!!!!!!!!! BRAINLIEST!!!!!!!!
Zolol [24]
6) A black hole is a part of space that has such a strong gravitational pull that nothing can escape from inside the black hole. 

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4 0
3 years ago
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Carbon ______________ are processes that add carbon to the atmosphere. Carbon ______________ are processes that absorb carbon
OlgaM077 [116]

Answer:

Carbon sources

Carbon sequestration

Explanation:

Carbon sources are regions that produces atmospheric carbon dioxide. This carbon dioxide is naturally added to the atmosphere when organisms respire, decompose, rocks with carbonate are weathered and volcanoes erupt.

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8 0
2 years ago
Of the answer choices, what is the most likely reason that paracrine signaling does not activate the cell that is producing the
riadik2000 [5.3K]

Answer:

The correct answer is The cells do not have proper receptor.

Explanation:

During paracrine signaling a signaling molecules are generated from one cell.The generated signaling molecule then binds to the receptor of neighboring cell to carry specific signal from donor cell to the acceptor cell.

  But the signaling molecules will not bind to the cell that is producing it because that producing cell do not contain proper receptor to bind that signaling molecule.

 The binding of signaling molecule to the receptor of its producing cell occur during autocrine signaling.

 

3 0
3 years ago
The sum of all of the chemical reactions that occur in a cell collectively are called:
artcher [175]
These reactions are METABOLISM.
4 0
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The ________ is the area of the brain where higher level thinking and self-regulation occur.
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The Prefrontal Cortexis t<span>he area of the brain where higher-level thinking and self-regulation occur; the peak of overproduction takes place at about 1 year of age.</span>
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