What is the major structural component of bacterial cell walls?
a. cellulose
b. arabinogalactan
c. peptidoglycan
d. proteoglycan
Ans: c. peptidoglycan
Biology & Microbiology
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Vaccines can be developed from synthetic peptides
Indicate whether the statement is true or false.
Biology & Microbiology
Nitrogen is required to synthesize which of the following defensive compounds (which are, as a result, very costly for plants to produce)? Select all correct choices
A. alkaloids B. menthol C. phenols D. nicotine E. terpenes
Biology & Microbiology
Organisms that reproduce sexually have ________ as sex cells that carry the genetic information from each parent.
A. diploid gametes B. diploid morulas C. diploid zygotes D. haploid gametes E. haploid zygotes
Biology & Microbiology
CAM plants typically live in hot, dry deserts
Indicate whether the statement is true or false
Biology & Microbiology