Amino acids can combine with either hydroxyl or hydrogen ions. As a result, they can function as
A. transfer groups.
B. buffers.
C. solvents.
D. cations.
E. salts.
Answer: B
You might also like to view...
Marine reptiles and birds deal with large concentrations of salts in their body by: a. having very fast metabolisms
b. having excretory salt glands. c. having very efficient kidneys. d. secreting salt through their feathers.
Fossils of the earliest known true hominins are
approximately how many millions of years old? a. more than 20 b. about 10 c. between 7 and 2 d. less than 0.5 e. none of these
Which type of radiation has enough energy to remove electrons from atoms?
a. x-rays b. magnets c. radio waves d. visible light e. microwaves
ATP is chemically related most closely to which of the following?
A. glucose B. testosterone C. phospholipid D. thymine nucleotide E. tryptophan amino acid