During which stage do cells of identical genetic makeup become structurally and functionally different from one another according to the genetically controlled developmental program of the species?
a. cleavage
b. cell differentiation
c. morphogenesis
d. metamorphosis
e. ovulation
b
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Members of which fungal phylum are also called sac fungi?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
The Tuskegee Study gathered information on ________.
A. genital herpes B. chlamydia C. gonorrhea D. syphilis E. HIV
Which feature would be the least useful in determining if a protist were a close relative of plants?
A. Capacity for photosynthesis B. Plasmodesmata between cells C. Cellulose cell walls D. Enzymes for ATP production
Which of the following is a type of cytopathic effect?
A. inclusions in the nucleus B. rounding of cells C. inclusions in the cytoplasm D. multinucleated giant cells E. All of these choices are correct.