Which of the following is a reactant or product during the process of photosynthesis?
a. oxygen
b. FADH 2
c. NADH
d. pyruvate
a. oxygen
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The function of nectar is:
A. provision of carbohydrates for the plant B. attraction of pollinators C. preservation of delicate flower parts D. a sticky trap for parasitic insects E. none of the other choices provided
Myelin is a fatty substance that
a. slows action potentials. b. is wrapped around neuroglial cells. c. increases the speed of action potentials. d. is found only surrounding neurons of the central nervous system. e. is true of a and d only.
How does a gastric bypass lead to patient losing weight?
A. The small intestine is bypassed by the surgery so no absorption happens. B. The large intestine is bypassed by the surgery so no absorption happens. C. Gastric fluids are being added to the stomach to improve digestion. D. The stomach is reduced in size so patients eat less.
When does the segregation of alleles occur?
A) Homologous chromosomes separate during meiosis. B) Homologous chromosomes separate during mitosis. C) Sister chromatids separate during meiosis. D) Sister chromatids separate during mitosis.