Organic molecules have a carbon backbone and ________ such as -OH and -NH2 that can form hydrogen bonds.
A. chemical groups
B. extension groups
C. R groups
D. functional groups
Answer: D
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How does the proton motive force lead to production of ATP?
A) ATPase requires one proton to make one ATP. B) Protons must be pumped against a concentration gradient from outside of the cell into the cell to rotate the F0 subunit of ATPase for the F1 subunit to make ATP. C) Oxidative phosphorylation of ADP by ATP synthase requires protons as cofactors in the reaction. D) Translocation of three to four protons drives the F0 component of ATPase which in turn phosphorylates one ADP into ATP.
If all of the variation in a trait in the population is due to differences in the environment, then the mean phenotype of the offspring would be independent of parental phenotype and would be identical to the mean phenotype of the population
A. true B. false
True or False: Ecdysozoans include insects and make up more than half of all known animal species
A. true B. false
In most plants, glucose is stored as
a. glucose. b. starch. c. sucrose. d. glycogen. e. cellulose