In which type of cell junction are two cells held together by embedded membrane proteins called connexons?
A) spot desmosome
B) gap junction
C) tight junction
D) hemidesmosome
E) CAM
B) gap junction
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What of the following muscles does not flex the wrist?
A. Pronator teres B. Flexor digitorum profundus C. Flexor carpi ulnaris D. Flexor carpi radialis E. Palmaris longus
Which of the following terms refers to the thumb?
A. Pollicis B. Hallucis C. Lumbrical D. Peroneus E. Indicis
The plasma membrane
A) is a watery gel in which structures are suspended. B) contains the powerhouse of the cell. C) is the central government of the cell. D) regulates the exchange of substances with the environment. E) carries the cell's hereditary information.
Most of the ATP required to power cellular operations is produced in the
A) cytoplasm. B) endoplasmic reticulum. C) nucleus. D) mitochondria. E) cilia.