Which of the following is a major growth-limiting micronutrient that influences microbial growth?

A) iron
B) transferrin
C) lactoferrin
D) sugar


Answer: A

Biology & Microbiology

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The theoretical maximum net gain of ATP per molecule of glucose metabolized aerobically in eukaryotes is

A. 2. B. 85. C. 32. D. 38.

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Which of the following happens during the luteal phase of the menstrual cycle?

a. The corpus luteum secretes estrogen and blocks production of GnRH by the hypothalamus. b. The endometrium thickens. c. LH and FSH stimulate growth of follicles. d. Low levels of estrogen cause the endometrial arteries to constrict.

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The seeds of fleshy fruits are most likely to be

spread by a. animals. b. water. c. wind. d. propulsion from the plant. e. none of these.

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If phospholipids form a spherical structure when placed in water, then which of the following is the most logical

conclusion about those phospholipid molecules? a. They form a bilayer. b. They are cone-shaped. c. They are not amphipathic. d. They have two hydrophilic ends. e. They contain two fatty acid chains

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