Which two kingdoms did Linnaeus recognize?
a. bacteria and animals
b. plants and fungi
c. plants and animals
d. protista and animals
Ans: c. plants and animals
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Salmonella are ________.
A. gram-positive bacilli B. methane producers C. lactose fermenters D. motile E. All of the choices are correct.
How can radiation be controlled and safely used in medicine?
A) Apply radiation throughout the body at uncontrolled doses. B) Apply radiation throughout the body at controlled doses. C) Apply radiation to specific parts of the body at uncontrolled doses. D) Apply radiation to specific parts of the body at controlled doses.
Figure 41.10
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Use the figure above to answer the following question.
The secondary spermatocyte is indicated by the letter(s) ____.
A. A B. B C. C D. D E. B, C, and D
Membrane rafts are found in the cytoplasmic membranes of
A) archaea only. B) bacteria only. C) eukaryotes only. D) both archaea and bacteria. E) both archaea and eukaryotes.