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LuckyWell [14K]
3 years ago
5

Why are Carbon-14 and carbon-12 considered to be isotopes?

Biology
1 answer:
Irina-Kira [14]3 years ago
8 0

Answer:

it is c or e

Explanation:

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Answer: Carrying capacity is a certain amount of things that can be carried on something else without damaging and/or breaking the other thing.

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The first option that is marked is correct.

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2 years ago
What is the medical term for inflammation of the nose and throat
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The medical term nasopharyngitis is used specifically to refer to the swelling of the nasal passages (the nose) and the back of the throat.

<h3>What is nasopharyngitis?</h3>

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It is an inflammatory condition or a disease that is caused by the action of a virus in the upper respiratory system.

Therefore, we can conclude that the medical term nasopharyngitis is used specifically to refer to the swelling of the nasal passages (the nose) and the back of the throat.

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2 years ago
What happens in Citric acid cycle?
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Answer:

Explanation:

Cellular respiration generally involves breaking down of large organic molecules to release ATP (energy). Citric Acid cycle, also known as Kreb's cycle or Tricarboxylic acid cycle is the second stage of the cellular respiration (unique to aerobic organisms). Citric acid cycle occurs in the intracellular space or matrix of the mitochondria of eukaryotes.

Glycolysis, which is the first step of cellular respiration, produces pyruvate which is then converted to Acetyl CoA in order to enter the Kreb's cycle by first combining with oxaloacetate. Generally, citric acid cycle involves an eight-steps reaction consisting of series of reduction-oxidation, hydration, dehydration, decarboxylation reactions, with each step catalyzed by different enzymes.

In a nutshell, oxaloacetate is generated back at the completion of the cycle alongside 2 molecules of CO2, one GTP/ATP molecule and electron donors; NADH2 and FADH2. These reduced electron donors enter the third step of aerobic cellular respiration and act as the first electron donor in the Electron transport chain.

3 0
3 years ago
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