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trapecia [35]
2 years ago
13

What is the Kreb Cycle and what happens during that stage in the cellular respiration?

Biology
1 answer:
mixer [17]2 years ago
3 0

Answer:

The sequence of the response of many living cells that produce energy during aerobic respiration. It occurs in mitochondria, consumes oxygen, produces carbon dioxide and water as waste products, and converts ADP into energy-rich ATP.

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Virus are considered to be non living
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FromTheMoon [43]

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Mary Anning

Explanation:

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2 years ago
how many dna molecules would there be after four rounds of pcr if the initial reaction mixture contained two molecules?
Marat540 [252]
  1. Answer: 32 molecules of DNA would be after four PCR if the initial reaction mixture contained two molecules
  • After 'n' rounds of the polymerase chain reaction, it is feasible to produce 2 n DNA molecules from a single DNA template molecule (PCR). Therefore, 2 to the power 4  = 16 DNA molecules will be produced after 4 PCR cycles
  • If two molecules are doubled four times, 32 DNA molecules are created.

Explanation:

The PCR method is what?

The highly sensitive PCR method enables quick DNA amplification of a particular section. Using visual methods based on size and charge, PCR may detect and identify gene sequences by producing billions of copies of a certain DNA fragment or gene.

What does a PCR have to accomplish?

A given DNA segment can be quickly multiplied (amplified) into millions or billions of copies using the polymerase chain reaction (abbreviated PCR), allowing for more in-depth analysis.

What are the three main PCR steps?

For any DNA synthesis reaction, there are only three easy stages that must be completed: First, the template is denaturated into single strands. Next, primers are annealed to each original strand to synthesise new DNA strands. Finally, the new DNA strands are extended from the primers.

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5 0
1 year ago
Why does atp production via oxidative phosphorylation require an intact mitochondrial membrane?
lukranit [14]

Answer:

Production of ATP via oxidative phosphorylation require an intact mitochondrial membrane because of the creation of an electrical potential.

Explanation:

Oxidative phosphorylation is a method, in which energy is converted into ATP by a sequence of protein complexes located inside the mitochondrial inner membrane. Production of ATP through oxidative phosphorylation requires an intact mitochondrial membrane because a change in electrical charge between both sides of the inner mitochondrial membrane results in the creation of an electrical potential. The protons have accumulated on the exterior of the mitochondria, making it positive (H), while the protons have been lost within, making it negative. On each surface of the membrane, a differential or gradient in chemical concentration has been formed. The cell transmits the energy stored in the decreased NADH and FADH via the electrochemical gradient.

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4 0
1 year ago
Given the inefficiency of two of the pathways shown in figure 9-4, what advantage could there be to using these pathways to prod
Olin [163]

Answer:

<u>Pathway A and B</u> are <u>anaerobic</u> ways of extracting energy (ATP) from glucose. These pathways are advantageous when little or no oxygen present. The net energy in both pathways is 2ATP. Both pathywas take place in the cytosol of the cell and are categorized as fermentation.

<u>Pathway C is aerobic</u> in which oxygen is used to yield energy (ATP). This pathway is advantageous when energy needs are high because it produces 36 molecules of ATP. Therefore, net energy in this pathway is higher than the anaerobic pathways. This pathyway takes place within the mitochondria and is recognized as cellular respiration.

A schematic illustration can be seen in the image attached.

PS: <u>Glycolysis</u> is common to fermentation and aerobic respiration.

8 0
3 years ago
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