Which type of cell is most likely to remain totipotent? Collenchyma cells
Parenchyma cells
Sclerenchyma cells
Guard cells

Parenchyma cells

Explanation:

Parenchyma cells are totipotent, meaning they can divide and differentiate into all cell types of the plant

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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.

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b