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san4es73 [151]
3 years ago
11

Explain how the carbon cycle is related to global warming

Biology
2 answers:
oksian1 [2.3K]3 years ago
6 0
They are equals in their own way and form
lord [1]3 years ago
3 0
The carbon cycle plays a key role in regulating Earth's global temperature and climate by controlling the amount of carbon dioxide in the atmosphere. ... Carbon dioxide is an important greenhouse gas, because it helps Earth's atmosphere to retain heat generated from the Sun.
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elena-s [515]
A = 70, B = 10, C=20, D=20, E= 30, F=50.
8 0
3 years ago
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In which case would facilitated diffusion be needed?
melomori [17]

Answer:

The voltage-gated potassium channels associated with an action potential provide an example of what type of membrane transport?

A. Simple diffusion.

B.<u> Facilitated diffusion. </u>

C. Coupled transport.

D. Active transport.

You are studying the entry of a small molecule into red blood cells. You determine the rate of movement across the membrane under a variety of conditions and make the following observations:

i. The molecules can move across the membrane in either direction.

ii. The molecules always move down their concentration gradient.

iii. No energy source is required for the molecules to move across the membrane.

iv. As the difference in concentration across the membrane increases, the rate of transport reaches a maximum.

The mechanism used to get this molecule across the membrane is most likely:

A. simple diffusion.

<u>B. facilitated diffusion. </u>

C. active transport.

D. There is not enough information to determine a mechanism.

Carrier proteins - exist in two conformations, altered by high affinity binding of the transported molecule. Moves material in either direction, down concentration gradient (facilitated diffusion). EXAMPLE: GluT1 erythrocyte glucose transporter.

Channel proteins - primarily for ion transport. Form an aqueous pore through the lipid bilayer. May be gated. Moves material in either direction, down concentration gradient (facilitated diffusion). EXAMPLES: Voltage-gated sodium channel, erytrhocyte bicarbonate exchange protein.

This might be helpful... because I don't know anything about facilitated diffusion.

5 0
3 years ago
Enzymes ______________ the rate of a specific chemical reaction.
ladessa [460]

Answer: Enzymes <u>b. increase</u> the rate of a specific chemical reaction.

8 0
1 year ago
Which scenario will result in offspring that have the greatest genetic diversity? A. A bacterium divides every 20 minutes leadin
aliina [53]

Answer:

D

Explanation:

i got it right on study island

4 0
3 years ago
Which of these statements best sums up evolution?
Ksenya-84 [330]

Evolution can be defined as the process of the change occurring in a population over a period of time through genetic variation. This genetic variation and the process of natural selection help a species to evolve by selecting the traits that helps it to better adapt to the environment. These genetic variations are inherited over time as the species continue to evolve.

Hence, the correct answer is 'change in population through genetic variation over time'.

4 0
3 years ago
Read 2 more answers
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