Which of the following statements DOES NOT support the hypothesis that neoteny contributed to the evolution of modern humans from our common ancestor with chimpanzees?
A. Juvenile Great Apes have large heads
(relative to body size) and are less hairy than
adult Great Apes.
B. Neoteny involves changes in the
developmental timing of gene regulation,
consistent with the observation that the
genome sequence of human and chimp are
99% identical.
C. It has been suggested that the human
mentality, characterized by questioning and
playfulness, are characteristics of juvenile
Great Apes.
D. Sexual maturity occurs earlier in Great
Apes than in humans.
D
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One of the limiting factors in engineering plants for nitrogen fixation is to prevent the binding of ________ to the enzyme nitrogenase and the subsequent inhibition of the enzyme.
A. calcium B. bacteria C. oxygen D. phosphorus E. cell membranes
The term that best describes all of the chemical reactions of a cell, including acquisition and use of molecules and
energy, is ____.
a. metabolism b. anabolism c. catabolism d. energy budget e. thermodynamics
The reproductive capacity of a species is
A. the number of offspring a female can produce. B. the number of offspring that survive to become reproducing members. C. decreased when the stable equilibrium phase is reached. D. largely dependent on the environment.
In a 3-D double helix model of DNA, the center consists of ____.
A. deoxyribose sugars B. nitrate groups C. nucleotide base pairs D. phosphate groups E. sugar–phosphate backbones