Archaeal cells are about ________ bacterial cells.

A. the same size as
B. ten times smaller than
C. ten times larger than


Answer: A

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

Oxygen and carbon dioxide are exchanged with blood directly across the alveoli wall

Indicate whether the statement is true or false

Biology & Microbiology

? The figure above represents ____.

A. an exergonic reaction B. a metabolic pathway C. allosteric inhibition D. allosteric regulation E. an endergonic reaction

Biology & Microbiology