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Biology, 07.11.2020 01:00 kikiwaka1

Help please: What makes up cell membranes and is used to create hormones?
A. Starch
B. Hydrocarbon
C. Glucose
D. Cholesterol

All biomolecules have the following traits except:
A. a carbon backbone.
B. covalent bonds.
C. hydrogen elements.
D. nitrogen elements.

Which soil-based compounds do plants use to create amino acids from glucose?
A. carbon
B. fluoride
C. hydrogen
D. nitrogen

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A. Starch
B....
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