Both existing mammals and extinct mammal-like
groups are
a. synapsids.
b. archosaurs.
c. sauropsids.
d. anapsids.
e. pleiosaurs.
Answer: a
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The TCA cycle and glyoxylate cycle are similar in many respects. Which of the following statements accurately describes these cycles?
A) Both cycles are catabolic in function. B) The glyoxylate cycle has only a single decarboxylating reaction. C) In the glyoxylate cycle, two acetyl CoA molecules are used to generate succinate. D) The glyoxylate cycle is used by some organisms to synthesize proteins. E) The TCA and glyoxylate cycles both occur in the mitochondrion
A frequent complication of untreated gonorrhea in women is
A. pelvic inflammatory disease. B. syphilis. C. dysuria. D. vaginal discharge.
Which of the following is true of radiometric dating?
A) A mineral that is 10,000 years old would best be dated with radioactive potassium. B) A mineral that is 1 billion years old would best be dated with radioactive carbon. C) Radioactive potassium-to-radon gas ratio can be used to date minerals. D) One can infer the age of a fossil by radiometric dating of the minerals found near the fossil. E) Carbon-14 decays with a half-life of 60,000 years.
Members of the genus Mycobacterium are said to be ________-________ because basic fuchsin dye cannot be removed even with acid-alcohol treatment.
Fill in the blank(s) with the appropriate word(s).