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Anastaziya [24]
3 years ago
14

What condition is required for fermentation to occur? A. When oxygen levels within a cell are too low for aerobic respiration B.

When the energy production cycle ends of the Krebs cycle C. When a glucose molecule needs to break down completely D. When 20 molecules of ATP are needed\
Biology
1 answer:
Leokris [45]3 years ago
6 0

Answer:

A. When oxygen levels within a cell are too low for aerobic respiration

Explanation:

Fermentation is a chemical or metabolic process that occurs in organism, when a carbohydrate such as glucose is metabolized or converted to an alcohol anaerobically (absence of oxygen).

When an organism lacks oxygen within the cell, aerobic respiration would be halted, hence pyruvate produced from glucose further undergoes fermentation anaerobically.

Organisms like lactic acid bacteria and yeast carry out fermentation. The process of fermentation is widely used in food industries, such as in brewing of wine or manufacture of yogurt.

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andrezito [222]

Answer:

Explanation:

A. False - A symporter system requires that one of the molecules to be transported using passive transport.

B. True - The Na+ will move down the established concentration gradient releasing energy to facilitate movement of sucrose against its concentration gradient. This is known as secondary active transport.

C.  False -  sucrose moves through ion channels not by diffusion to better control its movement across the membrane.

D. True - Movement of molecules against their concentration gradient thus requiring energy input is known as active transport.

E. False - One of the molecules needs to be moving against its concentration gradient.

F. False - A Uniporter system allows the binding and transport of a single molecule at a time. A symporter allows simultaneous binding and transport of Na+ and sucrose molecules.

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ICE Princess25 [194]
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Answer: The answer is .007 I believe. If I'm right please mark me brainiest

Explanation:

I just took the test and some teachers are taking .008 but some only take .007 so yea

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eimsori [14]
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Which answer choice best expresses a theme in Through the Looking-Glass by Lewis Carroll
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Explanation:

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