How many of the 20 required amino acids can the human body synthesize?

a. none
b. all
c. 11
d. 7


c. 11

Biology & Microbiology

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The transport of what molecules or particles across the thylakoid membrane power the production of ATP?

a. electrons b. hydrogen ions c. oxygen d. carbon dioxide e. phosphate ions

Biology & Microbiology

Which one of the following is the final consequence

of one or more of the others? a. resource partitioning b. competition c. predation d. parasitism e. parasitoidism

Biology & Microbiology

How many molecules are present in one mole of C6H12O6?

a. 1.7 ? 10?10 molecules b. 1.3 ? 1010 molecules c. 24 molecules d. 1.7 ? 1022 molecules e. 6.02 ? 1023 molecules

Biology & Microbiology

Bacterial ________ DNA can be easily removed from the bacterium, modified by adding a gene of interest, and then reinserted into the bacterium to be replicated

A) genomic B) polymerase C) plasmid D) chromosomal E) nuclear

Biology & Microbiology