Which statements describe functions of DNA? Select three options.DNA gives instructions on how to make keratin, the protein that makes up human hair and skin.DNA contains information about eye and fur color that is passed on from parents to kittens.DNA provides energy for cheetahs to run fast.DNA helps create substances that fight the bacteria that enter the body.DNA stores energy for a bear as it hibernates during the winter.
Answer
A
DNA gives instructions on how to make keratin, the protein that makes up human hair and skin.
B
DNA contains information about eye and fur color that is passed on from parents to kittens.
C
DNA provides energy for cheetahs to run fast.
D
DNA helps create substances that fight the bacteria that enter the body.
E
DNA stores energy for a bear as it hibernates during the winter.
Explanation
DNA stores genetic instructions that cells use to make proteins, including keratin, so A describes a function of DNA. DNA also carries inherited information for traits such as eye and fur color, making B correct. It contains instructions for making substances involved in fighting bacteria, so D is correct. DNA does not provide energy for running or store energy for hibernation; those are functions of nutrients and energy-storage molecules.
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