After embryonic development, members of the phylum Rotifera are incapable of:
a. reproduction.
b. cell division.
c. locomotion.
d. excretion.
e. ingestion.
b
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In plants, most chloroplasts are inherited from the maternal plant because maternal gametes contribute the most __________ to the zygote.
A. cytoplasm B. mitochondria C. ribosomes D. chlorophyll E. cytoplasm and mitochondria
The function of the nucleolus is
A. the assembly of ribosome components. B. the assembly of mRNA. C. the transport of material into and out of the nucleus. D. protein synthesis. E. photosynthesis.
What is the outcome of synapsis, a significant event in meiosis?
A) chiasma segregation B) side-by-side alignment of nonhomologous chromosomes C) dyad formation D) side-by-side alignment of homologous chromosomes E) monad movement to opposite poles
Which of the following is a function of the kidneys? I) elimination of urea II) reabsorption of valuable solutes III) reabsorbing water
A) I B) II C) III D) all of the above