Equilibrium is sensed by ____.
A. chemoreceptors
B. mechanoreceptors
C. photoreceptors
D. thermoreceptors
E. nociceptors
Answer: B
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The special structure in which some actinomycetes form their spores is called a ________.
A. conidium B. basidium C. sporatorium D. sporangium
Attenuation involves the termination of mRNA synthesis
Indicate whether the statement is true or false
When calcium levels in the blood are low, the ________ produces ________, which stimulates the breakdown of bone, releasing calcium.
A. pancreas; glucagon B. adrenal glands; norepinephrine C. pituitary gland; growth hormone D. parathyroid gland; parathyroid hormone E. adrenal glands; aldosterone
What force is most important in returning blood back to the heart in the veins?
A) contraction of the skeletal muscles in the body B) gravity C) contraction of the ventricles on the heart D) osmotic pressure of proteins in the blood