________ used X-ray diffraction to deduce the helical shape of DNA.
A) Linus Pauling
B) James Watson and Francis Crick
C) Martha Chase
D) Rosalind Franklin
D) Rosalind Franklin
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In mitosis, if a parent cell has 16
chromosomes, each daughter cell will have how many chromosomes? a. 64 b. 32 c. 16 d. 8
Which of the following molecules is/are produced by translation? Include molecules that are subject to further modification after initial synthesis.
A. The amino acid glycine B. RNA polymerase C. Aminoacyl-tRNA synthetase
Lymphocytes react to:
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.