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Biology

1 answer:

shtirl [24]3 years ago

3 0

Group 18 non reactive and non metallic

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Compare and contrast the de novo synthesis of purine and pyrimidine ribonucleotides. move each item to the appropriate bin. if a

Arisa [49]

<h3>Answer and Explanation;</h3>

Purines: Heterocyclic rings are synthesized one atom at a time, first atom attached to ribose phosphate (source is PRPP) and then all the other atoms are added .
Pyrimidines: Common intermediate, orotate, synthesized first, then orotate is attached to ribose phosphate (source is PRPP or 5-Phosphoribosyl-1-pyrophosphate).

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3 years ago

The metabolic fate of fatty acids is dependent on two enzymes, carnitine acyltransferase i and acetyl-coa carboxylase. carnitine

zvonat [6]

The correct answer is the last statement.

If the regulatory serine is mutated to alanine, then acetyl-CoA carboxylase will get activated spontaneously and will produce malonyl-CoA. The increased concentrations of malonyl-CoA will obstruct the oxidation of fatty acids by preventing the entry of fatty acids into the mitochondria.

It is because the AMP-activated protein kinase phosphorylates the serine residues of acetyl-CoA carboxylase to inactivate it. If a mutation occurs in such residues, then the AMPL cannot phosphorylate acetyl-CoA carboxylase and this enzyme will get activated spontaneously.

In such a situation, there will be more than sufficient production of malonyl-CoA, which will inhibit the admittance of more fatty acid getting inside the mitochondria; this will indirectly prevent the oxidation of fatty acids.

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3 years ago

True or false

stiks02 [169]

Answer:

it is true

Explanation:

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3 years ago

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Please indicate which organelle or structure contains the following:

marin [14]

Answer:

Hi Dear ....

The correct Answer Is Mitochondria 

Hope it will help U

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2 years ago

Which term describes this example? A white Have a mother that is homozygous dominant and a father that is homozygous recessive.

Allushta [10]

C) Heterozygous In a punnet square it will have a 100% chance of being heterozygous dominant.

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