What type of cellular damage in a malarial parasite would prevent it from penetrating a red blood cell?
A. Failure of the cross-linking of the peptidoglycans
B. Mutation in the variable surface glycoprotein genes
C. Damage to the choanocytes
D. A disruption of the cytoskeletal proteins
Answer: D
You might also like to view...
Phagocytosis involves all EXCEPT which of these?
a. receptors b. a meshwork of microfilaments c. pseudopod formation d. bulk-phase endocytosis e. vesicle fusion with lysosomes
Imagine that we mate two black Labrador dogs with normal vision and find that three of the puppies are like the parents, but one puppy is chocolate with normal vision and another is black with PRA (progressive retinal atrophy, a serious disease of
vision). We can conclude that A) both of the parents are homozygous for both traits. B) the same alleles that control coat color can also cause PRA. C) the alleles for color and vision segregate independently during gamete formation. D) the alleles for color and vision segregate dependently during gamete formation.
If all of Earth's history were compressed into an hour, humans would first appear less than
A) 1 second ago. B) 10 seconds ago. C) 1 minute ago. D) 10 minutes ago.
Aseptate fungi are classified as
A) Basidiomycota. B) Deuteromycetes. C) Zygomycota. D) Ascomycota. E) Rhodophyta.