The chromosomes align at the center of the cell during _______.
a) metaphase
b) telophase
c) prophase
d) prometaphase
e) anaphase
Answer: a) metaphase
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How is the cell cycle of Sulfolobus spp. similar to that of eukaryotes?
A. Sulfolobus demonstrates prophase, metaphase, anaphase, and telophase. B. A centrosome is apparent in Sulfolobus during G2. C. The cytokinesis process in Sulfolobus is similar to the process in eukaryotes. D. Sulfolobus has microtubules composed of a tubulin homolog that separate the chromosomes.
Some strains of haloarchaea exhibit
A) anoxic growth at the expense of sugar fermentation. B) anaerobic respiration. C) anoxygenic photosynthesis. D) light-driven ATP synthesis under oxygen-limiting conditions.
What is the dependent variable in this figure?
A. the number of cells in the tumor B. treatment days C. treatment with endostatin D. the volume of the tumor E. treatment with cyclophosphamide
Until the mid-1940s, many scientists considered proteins to be the likely candidates for the genetic material. Why?
What will be an ideal response?