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Yuri [45]
3 years ago
11

BRAINLIESTTT ASAP!!

Biology
1 answer:
Eddi Din [679]3 years ago
3 0

<u><em>-Describe the electron transport chain. What part of the cells does hit reaction take place in? </em></u>

The electron transport chain is A group of compounds that pass electron from one to another via redox reactions coupled with the transfer of proton across a membrane to create a proton gradient that drives ATP synthesis. The electron transport chain occurs in the inner membrane of the mitochondria.

<u><em>-What molecule stores the energy that is generated during cellular respiration? </em></u>

Cells create energy by breaking down the ATP molecules. Thus, cellular respiration is the utilization of oxygen for the synthesis of ATP. Glucose is broken down to supply energy for cellular respiration.

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What are the three functions of a cell membrane? I will give Brainliest to the best answer!
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(1) they keep toxic substances out of the cell;
(2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the cell and the outside environment;
(3) they separate vital but incompatible metabolic processes conducted within organelles.
3 0
3 years ago
Imagine an exercising muscle cell that requires a constant supply of oxygen to avoid fatigue. At which of the following distance
KiRa [710]

Answer:

b. 100nm

Explanation:

The correct answer to the given question is 100nm. Low level of oxygen is observed when active fibers are at a distance of 50m or more than 50m from the perfused capillary, this is why the correct answer to the given question is 100nm, which is the option b. in the given question.

5 0
3 years ago
What area would be most affected if north atlantic disappeared
kolezko [41]
South America, Brazil, Canada, And Hawaii
Hope this helps :)
7 0
3 years ago
I. Plant cells are formed from fertile soil.
Dmitriy789 [7]

Answer:

Option-B

Explanation:

Schleiden was a German botanist and Schwann was a German zoologist who independently observed that plants and animals are made of cells.

Once when they together met in a conference, they shared what they observed and later both reached the conclusion that cell is the functional and structural unit of living organisms.

In the given question, since Schwann was a zoologist, therefore, he concluded that the cell in an organism must function properly whereas Schleiden was a botanist and concluded that the different structures of a plant are composed of cells.

Thus, Option-B is the correct answer.

6 0
3 years ago
Read 2 more answers
Covalent bonds occur __________.
lyudmila [28]
B: between a nonmetal and a metal.
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