________ is a vitamin necessary for normal sperm formation and embryonic development
a. Folate
b. Vitamin B
c. Ricin
d. Niacin
e. Vitamin A
a
Biology & Microbiology
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Virulent as well as temperate phages can serve as generalized transducing phages
Indicate whether this statement is true or false.
Biology & Microbiology
The chemoreceptors called papillae are ________
a. ciliated endings of olfactory receptors b. touch receptors located on the skin c. taste buds on the tongue d. specialized for detecting pheromones
Biology & Microbiology
The relationship between the yucca plant and
the yucca moth that pollinates it is best described as
a. commensalism. b. parasitism. c. predation. d. mutualism. e. all of these
Biology & Microbiology
White flower color is recessive to purple. What is the genotypic ratio when two heterozygous pea plants are crossed?
A. 1:1 B. 3:1 C. 4:0 D. 2:1 E. 1:2:1
Biology & Microbiology