The salinity of the environment is a good example of a natural evolutionary selective force
Indicate whether the statement is true or false
T
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If a small blood vessel is torn, ____ will temporarily fill the breach
a. plasma proteins b. leukocytes c. platelets d. erythrocytes e. fibrin
Organic macromolecules are too big to cross the plasma membrane of cells. Therefore, they need to be ________
Fill in the blank(s) with the appropriate word(s)
If adenine bonds with guanine, and thymine bonds with cytosine, the DNA molecule would
a. be constricted along its entire length. b. bulge where cytosine bonds with thymine. c. constrict where adenine bonds with guanine. d. partially constrict and partially bulge along its length. e. be highly reactive.
Which lobe of the cerebral cortex is responsible for speech and conscious thought?
A) occipital B) temporal C) frontal D) corpus callosum E) parietal