Valine is an amino used to make proteins. it is an essential amino acid meaning the body cannot synthesize it and thus, it must obtained from food sources. it’s side chain is an isopropyl group. what property of valine would you expect from this side chain?

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

Which chemical bond most likely stores the most energy? o a. double carbon-carbon bond o b. single carbon-carbon bond o c. hydrogen-oxygen bond o d. sodium-chlorine bond

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