All of the following are true statements about events that occur in the apicomplexan life cycle EXCEPT
A. The haploid and diploid generations alternate.
B. The sporozoite is the motile infective stage.
C. Often two completely different organisms host different stages of the life cycle.
D. The life cycles include both sexual and asexual stages.
E. There is no exception here. All of these statements are true.
Answer: E
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Mutations
a. can be beneficial. b. can be harmful. c. can be neutral. d. can be beneficial, harmful or neutral. e. can evolve within an individual.
In the accompanying diagram, ____ is responsible for secreting digestive enzymes into the small intestine and
hormones into the blood.
a. D b. E c. F d. G e. A
In a certain plant, when individuals with blue flowers
are crossed with individuals with blue flowers, only blue flowers are produced. Plants with red flowers crossed with plants with red flowers sometimes produce only red flowers, although other times they produce either red or blue flowers. When plants with red flowers are crossed with plants with blue flowers, sometimes only red flowers are produced; other times either red or blue flowers are produced. Which gene is dominant? What will be an ideal response?
Indicate which of the following are involved in the initiation of translation. (Select all that apply)
a. RNA polymerase b. mRNA c. methionine d. initiator tRNA e. ribosomal subunits f. start codon AUG