The ________ cycle normally has no atmospheric component
Fill in the blank(s) with correct word
phosphorus
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Which one of the following statements is true regarding endotoxins?
a. They are produced and released by living bacteria. b. They are associated with gram-positive bacteria. c. They interrupt protein synthesis. d. They are released upon cell death.
An aerobic cellular process requires carbon dioxide.
a. true b. false
An advantage of homeothermy is
A) that it requires a low caloric intake. B) that it maximizes allocation of energy to growth. C) that it allows the organism to remain active in a wide range of external temperatures. D) that it allows the organism to tolerate wide fluctuations in body temperature.
Amino acids are linked together by peptide bonds in a ________
A. nucleic acid. B. phospholipid. C. polypeptide. D. polysaccharide. E. starch.