Which organelle often takes up much of the volume of a plant cell?
A) lysosome
B) vacuole
C) Golgi apparatus
D) peroxisome
B
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Among the invertebrate phyla, phylum Arthropoda is unique in possessing members that have _____
A) a cuticle B) a ventral nerve cord C) open circulation D) wings E) segmented bodies
Giardia are diplomonads which have nuclei that
A) appear as two separate chromosomes but are weakly joined. B) contain one small and one large nucleus per cell. C) have one nucleus enclosed in a mitosome and another nucleus in their cytoplasm. D) occur as two similar sizes per cell.
Unlike in animal meiosis, meiosis in plants gives rise to ____
a. diploid spores b. haploid spores c. diploid gametes d. haploid gametes e. cells without walls
Refer to Figure 24-1d. The function of the structure labeled 3 is:
a. attachment to a host cell.
b. locomotion.
c. mate recognition.
d. replication.
e. to take over host cell mechanisms