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3 years ago

Which of the following events takes place in the electron transport chain?

Biology

1 answer:

Montano1993 [528]3 years ago

3 0

Answer:

The correct answer is C the extraction of high energy electrons remaining from glycolysis and citric acid cycle .

Explanation:

Electron transport chain(ETC) occur in mitocondria and is the last process of aerobic respiration.ETC deals with the transfer of electron from the reducing equivalent such as NADH,FADH2 thereby oxidising them to their oxidized form NAD+,FAD.

The liberated electron from these equivalents utilizes the proton motive force come from the transport of H+ ion cytosol to mitocondrial matrix and then result in the phosphorylation of ADP to form ATP along with H2O by the reduction O2.

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In a strand of DNA, each single nucleotide represents a single letter of the DNA code. The following image represents a segment

OleMash [197]

The immense amount of information stored in DNA is coded with just four base nucleotides. These four nucleotides are paired by twos to form complementary DNA chains.

The makeup of DNA is limited to two pairs of nucleotides bases. One of these pairs is a pyrimidine base whilst the other forms a purine base. The four nucleotides that will make up the entire DNA code are:

Adenine (A)
Guanine (G)
Cytosine (C)
Thymine (T).

A and G will pair to form the purine base, meanwhile, Cytosine pairs with Thymine to form the pyrimidine base. As per the entire DNA code, A will always pair with G.

Whilst C always pairs with T. This is due to the very nature of the nucleotides themselves and will not change throughout the synthesis or duplication of DNA. Therefore, to complete the complementary strand described in the assignment we must match the letter given with its corresponding base pair, using this rule of DNA.

To learn more visit:

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3 years ago

A researcher while working in vitro (outside cell) added helicase enzyme which resulted in the untwisting of the DNA helix. But

STALIN [3.7K]

Topoisomerase is the enzyme that can be added to correct the untwisting that is led to strain ahead of the replication fork.

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3 years ago

Read 2 more answers

What is the different type of atoms present in an amino acid, glucose, and a nucleotide?

Vilka [71]

Answer:

The key elements of an amino acid are carbon (C), hydrogen (H), oxygen (O), and nitrogen (N).

Glucose is a hydrocarbon, so it contains carbon (C), and hydrogen (H). It also contains oxygen (O).

Nucleic acids are complex arrangements of carbon, hydrogen, oxygen, nitrogen, and phosphorous.

Explanation:

hope this helps :)

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3 years ago

The act of white blood cells engulfing a bacterium is?

Allushta [10]

Answer:

Phagocytosis refers to the engulfing of larger, solid particles. Often, the engulfed particle is another cell, like when a white blood cell, which is a part of the immune system, engulfs a bacterium to destroy it.

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3 years ago

Why do cells in the epidermis flatten out and die as they reach the surface of the skin?

Rudik [331]

May not be right, but because of Oxygen and the growing of new skin? We rub our skin without noticing and it will become frail and rub off, creating new skin

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3 years ago