In deuterostomes, early embryos undergo ____ cleavage
a. spiral, indeterminate
b. radial, indeterminate
c. spiral, determinate
d. radial, determinate
e. radial, followed by spiral
ANSWER: b
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Your friend is having difficulty keeping track of the energy flow from glucose through glycolysis, the Krebs cycle and electron transport. Your best advice would be to
A. follow ATP production. B. follow the protons. C. follow NAD+ production. D. follow the electrons.
When scientists experimentally simulated conditions near a hydrothermal vent, _____ appeared within a week
a. cells b. nucleic acids c. hydrocarbons d. amino acids e. lipid membranes
Kinesin 1 and myosin II share each of the following features except
A) two heads. B) dimers formed by heavy chain tails coiled around each other. C) formation of bipolar filaments. D) plus end directed motor activity. E) ATPase activity.
Oxygen moves from the lungs into the blood during internal respiration
Indicate whether the statement is true or false