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3 years ago

What does it mean to say that glycolysis is an anaerobic process

Biology

1 answer:

alex41 [277]3 years ago

6 0

It means that it doesn’t require oxygen.

Glycolysis is the first step of cellular respiration, which occurs in cytosol. During this process, glucose is broken down into two molecules (with three carbon atoms) called pyruvates, two ATP molecules and one NADH. Glycolysis can be divided into two phases:

• Energy-requiring phase in which two ATP molecules are used

• Energy-releasing phase in which four ATP molecules are made.

Anaerobic glycolysis is performed when amounts of oxygen (O2) are limited. In this type of glycolysis lactate and only two molecules of ATP are produced. Anaerobic glycolysis is effective during intense exercises.

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3 years ago

Analyze the data about nitrogenous base content of DNA from various species. Percentages of Bases in Five Organisms Source of DN

Troyanec [42]

Answer:

When analyzing data on the nitrogenous base content of the DNA of various species, the claims are supported by the data:

In any one species, the amount of adenine closely approximates that of thymine.
In any one species, the amount of guanine closely approximates that of cytosine.
The amounts of A, T, G, and C in DNA varies from species to species.

(options A, B and D)

Explanation:

Organizing the data has to:

Source of DNA A T G C

Streptococcus 29.8 31.6 20.5 18.0

Yeast 31.3 32.9 18.7 17.1

Herring 27.8 27.5 22.2 22.6

Human 30.9 29.4 19.9 19.8

E. Coli 24.7 23.6 26.0 25.7

DNA is the molecule that contains the genetic information of each species, formed by sequences of nitrogenous bases Adenine, Thymine, Cytosine and Guanine.

Since Adenine and Thymine -as well as Cytosine and Guanina- are complementary, the percentage of them will be very similar in each DNA molecule.

The genetic information -which determines the physical and functional characteristics of each organism- is encoded in the DNA and is different for each species, so the percentages of nitrogenous bases vary from species to species.

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3 years ago

Helpp me plz it would mean alot

netineya [11]

Answer:

Codon

Explanation:

mRNA bases are grouped into sets of three, called codons.

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