The cell walls of bacteria are a copolymer of _______ and _______.
a. proteins; lipids
b. proteins; polysaccharides
c. polysaccharides; peptides
d. cellulose; lignin
Ans: c. polysaccharides; peptides
You might also like to view...
Experimental studies have produced ribozymes that ____
a. reverse transcribe DNA from an RNA template b. polymerize new RNA from an RNA template c. cleave cellular membranes d. produce completely new RNA strands e. polymerize new proteins from an RNA template
what is the etiology of diphtheriae?
What will be an ideal response?
During the cycling of phosphorus, phosphorus does not enter __________ in appreciable amounts
a. the atmosphere b. the groundwater c. organisms d. marine sediments e. the ocean
Proteins digested by trypsin in the stomach are broken down to amino acids in
A. hydrolysis reactions. B. anabolic reactions. C. dehydration reactions. D. denaturation reactions.