You discover a unicellular organism that moves by what appear to be pseudopodia. You conclude that this organism is ________
A) either a type of amoeba or a type of slime mold
B) a type of bacterium
C) a type of alga
D) either a type of ciliate or a type of apicomplexan
A
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In the life cycle of a zygomycete, after the zygospore is formed, the next event will be
A. mitosis. B. meiosis. C. plasmogamy. D. karyogamy. E. dikaryon formation.
What is the function of centrioles?
A) They are the structure that holds the two daughter chromatids together at the centromere. B) They cause cytokinesis via the concentric shortening of microtubules. C) They are required for DNA replication. D) They produce microtubules for the chromosomes to migrate along as they move to opposite poles of the cell.
In fruit flies, the gray body color (G) is dominant to the ebony body color (g). What is the genotypic ratio of the offspring of a heterozygous gray female and an ebony male?
A. 25% Gg, 75% gg B. 50% Gg, 50% gg C. 75% gray, 25% ebony D. 100% gray
Which of the following is a natural pain reliever?
A) Acetylcholine B) Dopamine C) Endorphins D) Substance P E) Epinephrine