The splitting of molecules into smaller components is referred to as:
a. anabolism.
b. metabolism.
c. catabolism.
d. redox.
e. photosynthesis
C
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In humans, spermatogenesis differs from oogenesis in that spermatogenesis ____
a. involves meiosis while oogenesis involves mitosis b. begins at birth while oogenesis begins at puberty c. has unequal cytoplasmic divisions, while oogenesis does not d. produces somatic cells while oogenesis produces gametes e. produces four functional gametes while oogenesis produces one functional gamete
What challenge would a doctor face in a large, diverse city compared to a small rural town?
A) The genetic substructure in the city is likely to be considerably more complicated than in a small rural town. B) Because of migration in cities, mutation rates are higher. C) The genetic substructure in the city is likely to be considerably less complicated than in a small rural town. D) People in small towns are more prone to infection.
An organic compound differs from an inorganic compound in that an organic compound:a
contains carbon. b. contains two or more atoms. c. lacks valence electrons. d. lacks isotopes. e. is basic rather than acidic.
What is one mechanism by which a mutation can cause melanoma?
A) by the production of an altered BRAF protein that keeps melanocytes moving through the cell cycle B) by causing the accumulation of Huntington protein in melanocytes, which keeps them moving through the cell cycle C) by causing the accumulation of altered BRAF protein in germ-line cells D) by preventing the BRAF protein from being able to repair damaged DNA