Prokaryotic and Eukaryotic Cells Answers

23 verified answers
21
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Which is a difference between proteins and carbohydrates and fats?

A
Proteins are macromolecules; carbohydrates and fats are not.
B
Proteins are composed of monomers; carbohydrates and fats are not.
C
Carbohydrates and fats contain carbon, hydrogen, and oxygen; proteins do not.
D
Excess carbohydrates and fats are stored; excess proteins are not.
22
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Which statement about carbohydrates is true?

A
Carbohydrates transmit genetic information.
B
Carbohydrates provide energy for living things.
C
Carbohydrates regulate cell processes.
D
Carbohydrates fight disease.
24

Which is the central element for all living things?

A
carbon
B
hydrogen
C
oxygen
D
nitrogen
25

Jada wants to eat a meal that will sustain her energy during a long run. Which of these food items is the best source of long-term energy?

A
grape juice
B
sugar cookie
C
baked potato
D
strawberries

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