Ribosomes are organelles responsible for
A. cell movement and cell shape.
B. protein synthesis.
C. packaging "cell products" for export.
D. manufacturing lipids.
E. energy production.
Answer: B
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Cardiac muscle has more mitochondria and depends less on a continual supply of oxygen than does skeletal muscle
Indicate whether the statement is true or false
The pyramidal system provides
A) voluntary control over skeletal muscles. B) voluntary control over smooth muscles. C) involuntary control over skeletal muscles. D) involuntary control over smooth muscles. E) involuntary control over cardiac muscle.
The pH of the cerebrospinal fluid is monitored by which of these brainstem centers?
A) Medullary baroreceptors B) Hypothalamic osmoreceptors C) PRG D) Central chemoreceptors
Proximal means
A. toward the middle or midline of the body. B. away from the surface. C. closer to the head. D. closer than another structure to the point of attachment to the trunk. E. toward the back of the body.