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Allisa [31]
3 years ago
5

What happens to DNA before a cell divides

Biology
1 answer:
Alona [7]3 years ago
3 0

Answer:

DNA is copied, checked for errors, and packaged neatly before cell division.

Explanation:

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The correct answer will be options

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

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5.  End products are CO₂ and H₂O.

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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.

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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.

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