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Biology, 22.05.2020 19:00 bossboybaker

NEED HELP ON EXAM
Which element is necessary to form a protein molecule but not a carbohydrate
molecule?
Question 3 options:

A. carbon

b. nitrogen

c. oxygen

d. hydrogen

How are prokaryotic and eukaryotic cells similar?
Question 7 options:

A. Both contain cell walls.

B. Both contain a nucleus

C. Both contain ribosomes

D. Both contain membrane-bound organelles.

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