Which of the following do humans NOT have taste buds specialized to sense?
A. salty
B. sour
C. sweet
D. vitamins
E. bitter
D. vitamins
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Which of the following statements regarding the Chlamydia life cycle is incorrect?
A. Elementary bodies differentiate into reticulate bodies in the cell nucleus. B. The elementary body is the infectious stage of Chlamydia. C. Elementary bodies are released from the host cell to continue the infectious cycle. D. Reticulate bodies multiple by binary fission.
Mendel correctly surmised that the 3 dominant:1 recessive phenotypic ratio seen in the F2 generation pea plants was due to
a. a tendency to have more fertilization events yielding homozygous dominant than homozygous recessive. b. homozygosity. c. genotypic selection. d. random combination of sperm and egg with respect to the allele carried. e. certain phenotypes having a selective advantage.
The dynamics of an ecosystem depends on two
main processes:
a. the cycling of energy and the unidirectional flow of nutrients. b. the unidirectional flow of energy and the cycling of nutrients. c. the multidirectional flow of both energy and nutrients. d. the unidirectional flow of both energy and nutrients. e. the cycling of both energy and nutrients.
Which of the following is NOT essential to
reproduction? a. ovary b. oviduct c. clitoris d. vagina e. uterus