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1 year ago

What evidence supports the idea that some energy remains untapped in the products of fermentation?

Biology

1 answer:

vagabundo [1.1K]1 year ago

7 0

Alcohol is a fuel that can be burned.

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What do you mean by fermentation?

The metabolic process of fermentation alters the chemical composition of organic substrates through the action of enzymes. The process of generating energy from carbohydrates without the presence of oxygen is expressly stated as such in biochemistry. If the action of microbes produces the intended alteration to a food or beverage, it may more broadly refer to any process utilized in food production. Zymology, or fermentation science, is a field of study. The primary mechanism by which bacteria manufacture adenosine triphosphate is fermentation, which involves the anaerobic degradation of organic molecules (ATP).

To learn more about fermentation, visit:

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Name one cell type that continues to divide throughout a person's lifetime and one that doesn't continue to divide throughout a

Otrada [13]

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3 years ago

What is ozone?????????????????

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3 years ago

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Blue poppies native to China were grown at a plant-breeding center in California. The plants with the thickest leaves were most

DIA [1.3K]

Answer:

Directional selection

Explanation:

Directional selection is a type of natural selection that favors one extreme phenotype of a genetic trait due to its survival and reproductive advantage to the individuals over another extreme phenotype and the intermediate phenotype.

In the given example, the thick-leaved plants are better adapted to a drier climate due to reduced water loss. Directional selection favored the plants with thick leaves which in turn produced more progeny. Over the generations, the population evolved into the one having more number of thick-leaved plants.

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3 years ago

Which process uses proteins to move molecules against a concentration gradient?

Crank

Facilitated Diffusion

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3 years ago

If A/A ⋅ B/B is crossed with a/a ⋅ b/b and the F1 is testcrossed, what percentage of the testcross progeny will be a/a ⋅ b/b if

Alex787 [66]

Answer:

a) 25%; b) 50%; c) 45%; d) 38%

Explanation:

<h3 /><h3>a) Unlinked genes</h3>

A/A B/B X a/a b/b

F1: A/a B/b

Testcross A/a B/b X a/a b/b

The homozygous recessive individual only produces <em>ab</em><em> </em>gametes.

The F1 produces four types of gametes (each of them with a frequency of 1/4): <em>AB</em>, <em>Ab</em>, <em>aB </em>and <em>ab</em>.

25% of the progeny will be a/a b/b.

<h3>b) Completely linked genes</h3>

AB/AB X ab/ab

F1: AB/ab

Testcross AB/ab X ab/ab

The F1 produces only two types of gametes, the parentals (each of them with a frequency of 1/2): <em>AB</em> and <em>ab</em>.

50% of the progeny will be ab/ab.

<h3>c) 10 m.u. apart</h3>

AB/AB X ab/ab

F1: AB/ab

Testcross AB/ab X ab/ab

The F1 produces four types of gametes, the parentals <em>AB</em> and <em>ab </em>and the recombinants <em>Ab</em> and <em>aB</em>.

Since the genes are 10mu apart, 10% of the produced gametes will be recombinant and 90% will be parentals. Since there are two types of parental gametes, each of them has a frequency of 45%.

45% of the progeny will be ab/ab.

<h3>d) 24 m.u. apart</h3>

This is very similar to c).

Since the genes are 24mu apart, 24% of the produced gametes will be recombinant and 76% will be parentals. Since there are two types of parental gametes, each of them has a frequency of 38%.

38% of the progeny will be ab/ab.

5 0

3 years ago