Question 22 (multiple choice worth 1 points)

organelles are

responsible for producing power for the cell
tiny structures in the cell that carry out the cell's activities
responsible for digestion in the cell
found outside of the membrane

question 23 (multiple choice worth 1 points)

which process produces two identical copies of the parent cell?

mitosis
meiosis
sexual reproduction
fertilization

question 24 (multiple choice worth 1 points)

a trait that is always expressed when this gene is present is called a

dominant trait
recessive trait
prime trait
strong trait

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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.