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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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The diagram models how a poison bonds to the active site of an enzyme. Which function is the enzyme most likely unable to perfor
asambeis [7]

The answer is; A

The active site of the enzyme is bound by a substrate and probably the enzyme catalyzes a hydrolysis reaction. The poison mimics the substrate and competes with the substrate for the active site of the enzyme. The poison may bind permanently to the enzyme rendering the enzyme unavailable for other substrates. This could make a particular biochemical reaction, in which the enzyme is involved, to reduce drastically hence threatening life.


3 0
3 years ago
What is the vent in earths surface through which magma and gases are expelled
lutik1710 [3]

Answer:

A volcano

Explanation:

Is a vent or fissure in the Earth's surface through which molten rock and gases are expelled. Molten rock is called magma.

5 0
3 years ago
ZWhat Organelle that conducts respiration for the cell
baherus [9]

Answer:

The organelle that conduct respiration for the cell is MITOCHONDRIA.

Explanation:

The cells of living organisms are made up of different organelles, each of the organelles have specific functions, which they perform. The mitochondria is the cell organelle that is responsible for carrying out respiration in the cells. Respiration involves the breaking down of glucose molecules in order to produce energy in form of ATP. Mitochondria is also called the power house of the cell because of its function of energy production.

8 0
3 years ago
Why human with heterozygous genotype will have the dominant phenotype?
AnnZ [28]

A human with heterozygous genotype can have a dominant phenotype if one of the alleles complete mask the effects of the other.

  • Heterozygous genotype involves two different alleles, unlike homzygous genotypes in which the alleles are the same.
  • When the two alleles of an heterozygous genotype exert equal effects on one another, they are said to be codominant.
  • When one of the alleles of an heterozygous genotype incompletely exert its effects on the other allele, it is said to be incomplete dominance.
  • When one of the alleles complete dominates and masks the effects of the other allele, it is said to be dominant.

Hence, a dominant allele will always produce a dominant phenotype even if the genotype of the organism is heterozygous.

More on genotypes can be found here: brainly.com/question/14398652

5 0
3 years ago
Which of the following can typically decrease genetic variation?
lapo4ka [179]

QUESTION:Which of the following can typically decrease genetic variation?

toxins

predator-prey relationships

competition

new habitat

disasters

increased food supply

ANSWER:

1. toxins

2.predator- prey relationships

3.competition

4.new habitats

5. disasters


5 0
3 years ago
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