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aleksklad [387]
3 years ago
15

Which layer of the earth is the coolest in temperature?

Biology
1 answer:
WITCHER [35]3 years ago
5 0
The answer is B the crust
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The term "base temperature" is best defined as which of the following?
sesenic [268]

Answer:

The anwser is optimal growing temperature

Explanation:

I did this on a quiz and I got it right. HOPE THIS HELPED!!!!!!!!:)

8 0
3 years ago
Explain how photosynthesis would be affected if there were a shortage of NADP+ in the cells of plants
viktelen [127]

Photosynthesis would stop

NADP+ is important in photosynthesis because they are significant in both light and dark phases of photosynthesis.

Explanation:

IN the light stage, NADP+ is the ultimate electron acceptor as high energy electrons are passed down a protein chain, from the reactive center of photosystems, as their energy is harnessed to create a proton motive force across the lamellae membrane. NADP+ is ultimately reduced to NADPH. Without NADP+, the electron transport chain would cease.

NADPH, on the other hand, is used to reduce carbon dioxide to glucose in the Calvin cycle. NADPH is oxidized to NADP+ which is recycled back to the light stage of photosynthesis.

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8 0
3 years ago
Which characteristic is not true of the Archaea?
iren [92.7K]

Answer:

They have plasma membrane phospholipids that are identical to the Eubacteria.

Explanation:

Archae includes mostly the single celled prokaryotic organism that lacks the membrane bound organelles. Most archae are extremophiles that can tolerate the extreme environment.

Archae shows more similarity to eukarya. The plasma membrane of archae contains of pseudo peptidoglycan that differs form the plasma membrane of the bacteria.

Thus, the correct answer is option (b).

4 0
3 years ago
How does carbon dating tell us how old a bone is ?
Anestetic [448]

carbon dating shows how old a bone is by measuring the amount of carbon 12, and carbon 14 that the bone contains. and because carbon 14 is not replaced by exchange with the atmosphere the ratio of c12:c14 (the ratio of carbon 12 to carbon 14) tells how old the bone is by comparing the amount of carbon 14 to the amount of carbon 12. carbon 14 has a half life of 5,700 years, while carbon 12 is stable and does not radioactively decay at all.

5 0
3 years ago
What two gases move in and out of the leaf stomata
dalvyx [7]

Answer:

<em>oxygen</em> and <em>carbon dioxide </em>are the two gases that occur in the leaf through tiny little pores called the <u>stomata</u>.

~<em>hope i helped ouo have a nice rest of ur day</em>~

<em>lots of love</em>,

 <em>lee</em>

6 0
3 years ago
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