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kirill [66]
4 years ago
10

What is the most life threatening system in a human body

Biology
2 answers:
sveticcg [70]4 years ago
5 0
It is the respiratory circulatory and nervous system s and their major systems are lungs heart brain and the spinal cord
sattari [20]4 years ago
3 0
Miraculous machine we call the human body<span> is made up of billions of cells. ...</span>Most life-threatening<span> emergencies affect one or </span>more<span> of the </span>body's<span> three </span>most<span>important and sensitive </span>systems<span> – respiratory, circulatory and nervous. e major organs of these three </span>systems<span> are the heart, lungs, brain and spinal cord.</span>
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Arte-miy333 [17]

Answer:

The correct answer will be options

1. Process includes glycolysis.

2. Between 2 and 38 ATP are produced per molecule of glucose input .

3. Much or most of the ATP produced is produced by oxidative phosphorylation.

4. Process involves electron transport and chemiosmosis.

5.  End products are CO₂ and H₂O.

6. Process involves the Krebs cycle.

Explanation:

Cellular respiration is the oxidative process which involves the breakdown of food molecules like glucose, amino acids and fats to release heat and energy in the form of ATP.

In the presence of oxygen or aerobic respiration it undergoes four stages: glycolysis, link reaction, Krebs cycle and electron transport chain while in the anaerobic reaction it produces ethanol and carbon dioxide by the process of fermentation.

Each stage produces energy in the form of ATP molecules or co-enzymes NADH OR FADH₂ like glycolysis produces 2 ATP and link reaction, Krebs cycle produces NADH OR FADH₂ in addition to ATP. Each NADH produces 3 ATP while Each FADH₂ produces 2 ATP during electron transport chain.  So, ATP molecules are produced between 2 to 38 ATP molecules in each stage with large number during electron transport chain from these co-enzymes.

The waste products produced in the stages of cellular respiration are CO₂ molecules and H₂O which is also known as metabolic water.

4 0
3 years ago
Why in many living organisms (with exception of some viruses) only DNA, but not RNA, is the main source of genetic information?
agasfer [191]

Answer:

because \: dna \: is \: both \: more \: resilient  \\ \: and \: easly \: repairble \: than \: rna \:  \\ therefore \: dna \: serve \: as \: more \\  \: stable \: carrier \: of \: genetic \: information \:  \\ thank \: you

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3 years ago
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vovikov84 [41]

Answer:

Hope it helps to you...mark me as the brainliest..

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insens350 [35]

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Explanation:

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Genetics is defined as: Group of answer choices The scientific study of cells The study of cloning The scientific study of hered
krek1111 [17]

Answer:

The correct answer is ''The scientific study of heredity''

Explanation:

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