Chromatids separate during

(a) prophase.
(b) telophase.
(c) cytokinesis.
(d) anaphase.


(d) anaphase.

Biology & Microbiology

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The term used to describe the interrelationship between the living and non-living environments in an area is called a(n)

A. group. B. community. C. ecosystem. D. ecological niche

Biology & Microbiology

When experimenting with Streptococcus pneumoniae in the 1920s, Griffith concluded that some substance from the dead S strain bacteria passed to the R strain bacteria, imparting virulence and the ability to form a capsule. Avery and others continued the search for the substance that "transformed" the R strain into the S strain.Hypothesis I:Genetic material or "transforming substance" is protein.Hypothesis II:Genetic material or "transforming substance" is RNA.Hypothesis III:Genetic material or "transforming substance" is DNA.An experiment was performed that demonstrated that the addition of a protein-degrading enzyme did not prevent transformation. This finding

A. supports Hypothesis I. B. supports Hypothesis II. C. supports Hypothesis III. D. rejects Hypothesis I only. E. rejects Hypothesis II only. F. rejects Hypothesis III only. G. does not support any of these hypotheses.

Biology & Microbiology

Suppose you count 40 green tobacco seedlings and 2 white tobacco seedlings in one agar plate. Do your results show that both parent plants were heterozygous for the allele?

What will be an ideal response?

Biology & Microbiology

Lipid-soluble molecules would be expected to cross the cytoplasmic membrane by which of the following processes?

A) osmosis B) facilitated diffusion C) diffusion D) active transport E) group translocation

Biology & Microbiology