Ensantina klauberi and Ensatina eschscholtzii could be considered different morphological species
a. true
b. false
Ans: a. true
(The original distinction between these species was based on morphological differences.)
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Which of the following does not inhibit protein synthesis?
A. Tetracycline B. Erythromycin C. Streptomycin D. Penicillin E. All of the choices inhibit protein synthesis.
Which of the following is not normally considered a pathogenic species of Clostridium?
A. C. tetani B. C. botulinum C. C. perfringens D. C. acetobutylicum
Rank these plant types from those that undergo senescence soonest after seed germination to those that live longest.1. herbaceous perennial2. biennial3. annual4. woody perennial
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is true of protein hormones?
a. They can pass through the cell membrane. b. They can be taken orally. c. They can be absorbed across the small intestine.