What is the scientific definition of the word theory, such as in the theory of evolution?
a. A theory is an educated guess used to formulate a hypothesis.
b. A theory is a thought or suggestion as to a possible course of action.
c. A theory is a body of thoroughly tested and verified explanations for a set of observations about the natural world.
d. A theory is a set of principles applied to a school of thought.
c. A theory is a body of thoroughly tested and verified explanations for a set of observations about the natural world.
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Researchers surgically fuse two of the three ossicles in the inner ear of a mouse, effectively leaving two functional, linked ossicles in place of three. When the mouse's hearing is tested, what outcome would be expected? The mouse would be _____
A) more sensitive to sound, but only in the low-frequency range B) more sensitive to sound, but only in the high-frequency range C) more sensitive to sound in general D) less sensitive to sound in general
Gene regulation lecture summary
What will be an ideal response?
The sodium–potassium pump is a carrier protein that maintains a(n) ____ gradient across the plasma membrane
a. polar b. nonpolar c. phosphorous d. concentration e. electrochemical
The anticancer drug taxol acts to
a. block microtubule organizing centers. b. stabilize microtubules and thus inhibit disassembly. c. block microtubule assembly by binding to free tubulin. d. accelerate microtubule disassembly by binding to tubulin in microtubules, causing those molecules to exit the microtubule more quickly. e. Both a and c