Which of the following is a location for a cell cycle check point?
a. between G1 and S
b. between S and G2
c. between G2 and anaphase
d. between prophase and anaphase
a. between G1 and S
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A chemical reaction that has a positive ?G is best described as _____
A) endergonic B) entropic C) enthalpic D) spontaneous E) exergonic
The rate of transcription for any one gene in any given cell type is determined by only one transcription factor
A. true B. false
If a restriction endonuclease cuts a circular DNA three times, how many fragments should there be after the DNA is
subjected to electrophoresis through an agarose gel?
a. 1 b. 2 c. 3 d. 4 e. 5
Because an individual with an XX genotype is a female, is an individual with an XO (no second sex chromosome) a male?
a. No, because the X always overrides the Y and makes that embryo female. b. No, because the Y chromosome contains the gene that makes an embryo male. c. Yes, because if there is only one X, the embryo cannot become female. d. Yes, because all embryos start off as males.