Which distinguishes mitosis from meiosis? A. Mitosis has one DNA replication, while meiosis has two DNA replications.
B. In mitosis, the nucleus divides once. In meiosis, the nucleus divides twice.
C. In mitosis, homologous chromosomes pair up. In meiosis, there is no pairing of chromosomes.
D. Mitosis results in the production of gametes, while meiosis results in the production of body cells.

Your answer would be B.

Explanation:

In mitosis, the nucleus divides once. In meiosis, the nucleus divides twice.

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it would be the percentage of food eaten by the flock

i remember doing this lab

both anaerobic and aerobic respiration use glucose (or other carbohydrates), proteins and lipids to produce atp and nadh. cell uses those energy molecules, obtained from food and   breaks them down during the chemical reactions of respiration. in anaerobic respiration, nadh is regenerated to nad+ by enzymes lactate dehydrogenase (lactate is produced, e.g. in muscle cells) or by alcohol dehydrogenase where ethanol is produced (alcohol fermentation), while in aerobic respiration, electrons from nadh are deposited in the mitochondria to regenerate nad+ (electron transport chain. anaerobic respiration produces 2 atp per molecule of glucose compared to aerobic respiration where about 38 atp molecules are produced.