Archaeal cells are about ________ bacterial cells.
A. the same size as
B. ten times smaller than
C. ten times larger than
Answer: A
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The macromolecule containing alternating N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM) chains cross-linked by short peptide fragments is ________.
A. teichoic acid B. mycolic acid C. lysozyme D. lipopolysaccharide E. peptidoglycan
Trimming a shrub will make it become more bushy (have more lateral growth) primarily due to a reduction in the
amount of ____.
a. auxin b. ethylene c. abscisic acid d. gibberellin e. cytokinin
Oxygen and carbon dioxide are exchanged with blood directly across the alveoli wall
Indicate whether the statement is true or false
?
The figure above represents ____.
A. an exergonic reaction B. a metabolic pathway C. allosteric inhibition D. allosteric regulation E. an endergonic reaction