Are the results for Suspects 1 and 2 identical?
a. yes
b. no
b
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Your alarm clock goes off once again, and it is 7 a.m. Which neural event sends the signal to your cortex for you to
know to hit the snooze button?
a. The number of alpha waves emitted by the brain increases. b. The number of theta waves emitted by the brain increases.
c. The reticular activating system sends stimuli to the cerebral cortex. d. The cerebellum sends stimuli to the cerebral cortex. e. The cerebellum sends stimuli to the limbic system.
Which process allows a vertebrate to generate millions of different lymphocytes?
A. DNA rearrangement B. DNA reestablishment C. clonal variability D. instructional variation E. gene cloning
Which one of the following is TRUE regarding active transport?
A) Active transport requires the input of energy. B) Molecules are moved across a plasma membrane from an area of higher concentration to an area of lower concentration. C) Active transport relies on the process of diffusion. D) Molecules to be transported attach to phospholipids in the plasma membrane; as the phospholipids change shape, the molecules are moved across the membrane. E) This mechanism allows a cell to equalize the concentration of molecules on either side of the plasma membrane.
Oxygen and carbon dioxide diffuse in and out of a leaf through the
a) palisade mesophyll. b) guard cells. c) xylem. d) stomata.