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3 years ago

Why is the citric acid cycle a cyclic pathway rather than a linear pathway?

1 answer:

3 0

The given question is incomplete as the four possible explanations or options are not provided, however, the correct options are as follows:

A) More ATP is produced per CO2 released in cyclic processes than in linear processes.

B) It is easier to remove electrons and produce CO2 from compounds with three or more carbon atoms than from a two-carbon compound such as acetyl CoA.

C) Redox reactions that simultaneously produce CO2 and NADH occur only in cyclic processes.

D) Cyclic processes, such as the citric acid cycle, require a different mechanism of ATP synthesis than linear processes, such as glycolysis.

Answer:

The correct answer would be - option B

Explanation:

Circular pathways or the cycles are able to carry out two or more than two entry and exit points for the substrate enzyme and products, So it is well suited for amphibolic reactions.

In a linear pathway, one reaction with particular substrate or reactants and result in products through the pathway completes the pathway, and the second reaction would be an independent event.

In citric acid cycle It is easier to eliminate electrons and gain carbon dioxide from compounds with 3 carbon or more carbon atoms than from a two-carbon compound such as acetyl CoA. pyruvate is 3 C compound while acetyl CoA is two carbon.

Thus, the correct answer is - option B

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Different types of energy

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Answer:

There are many types of energy such as chemical, heat, sound, electric and light.

Explanation:

Examples: of these are electrical coming from kinetic energy the movement of two objects moving together. Then there is chemical energy which is stored in bonds of chemical compounds, the product of chemical energy is heat.

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3 years ago

What type of enzyme can activate another enzyme by adding a phosphate from ATP?

Rzqust [24]

Answer:

Here my answer goes.......

Explanation:

In biochemistry, a kinase is an enzyme that catalyzes the transfer of phosphate groups from high-energy, phosphate-donating molecules to specific substrates. This process is known as phosphorylation, where the substrate gains a phosphate group and the high-energy ATP molecule donates a phosphate group.

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3 years ago

Explain the significance of meiosis in sexual reproduction

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Answer: Meiosis produces the sex cells, that is the gametes (sperm cells and eggs) that unite to form a zygote. Meiosis ensures that the gametes have have haploid chromosomes so that the resulting zygote from their fusion will have diploid chromosomes.

Explanation: Meiosis is a type of cell division in which a cell divides twice to produce four daughter cells each with the half the number of chromosomes as the parent cell. Without meiosis new gametes are not produced. Meiosis ensures that the chromosomes are evenly distributed among the daughter cells and that each daughter cell contains 23 chromosomes. A sperm cell with 23 chromosomes fuses with an egg with 23 chromosomes to form a zygote with 46 chromosomes. If meiosis does not occur, gametes with haploid chromosomes will not be produced, and if the gametes have diploid chromosomes because meiosis does not occur, sexual reproduction will be a disaster because when two diploid gametes fuse the resulting zygote with be abnormal.

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3 years ago

The base composition of an RNA virus was analyzed and found to be 17% A, 33% U, 19% G, and 31% C. Do you think the viral genetic

vampirchik [111]

single stranded

<h3>What is RNA virus?</h3>

Deoxyribose and ribose, respectively, are the names of the pentose sugars found in DNA and RNA.
The presence of the hydroxyl group on the 2' carbon of ribose and its lack on the 2' carbon of deoxyribose distinguishes the sugars.
While the sugar used to construct both DNA and RNA is named deoxyribose (left in the image), the sugar used to construct RNA is simply referred to as ribose.
Ribose, a 5-carbon sugar, is present in RNA, whereas deoxyribose, a 5-carbon sugar, is present in DNA.
Both kinds of sugar are crucial parts of nucleotides.
Pentose sugars, which are a component of DNA, can be found in nucleic acid.

Learn more about RNA here:

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2 years ago

This is more of a personal question then school one. What is 5 biotic factors of a snake.

sattari [20]

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4 years ago