When you ride your bike to class, which area of the cerebrum are you using to move your leg muscles?
A) premotor cortex
B) corpus callosum
C) somatosensory
D) thalamus
A
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Where are grassland biomes typically found?
a. in the middle of a continent b. in the rain shadow of a mountain range c. on the windward side of a mountain range d. on the leeward side of a mountain range
e. adjacent to the shore of a continentStatements 63–67 ask about membrane permeability. For each
one, select the best choice from the following five processes below. a. simple diffusion b. facilitated diffusion c. osmosis d. active transport e. endocytosis E 63. This process is used by white blood cells to ingest bacteria. E 64. This process specifically moves water molecules across a differentially permeable membrane. E 65. This process explains the movement of any kind of molecule from areas of higher concentration to areas of lower concentration. E 66. The method by which glucose crosses the plasma membrane. M 67. This process explains the movement of molecules against a concentration gradient.
Where in a molecule of ATP is the stored energy that is used by the cell?
A. Within the nitrogenous base, adenine B. Within the five-carbon ribose sugar C. In the covalent bonds between the phosphate groups D. In the bond between adenine and ribose
The toxin production by Corynebacterium diphtheriae carrying a temperate phage is an example of __________.
a. phage conversion b. general transduction c. specialized transduction d. phage lysis