The onset of AIDS, after infection, can take up to ten years.
a. true
b. false
Answer: a. true
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The number of sperm cells that form from a primary spermatocyte is
A. 4. B. 100. C. 16. D. 46.
Plasma is
A. a liquid ground substance containing dissolved proteins. B. a dissolved ground matrix and a lining of epithelial cells. C. a liquefied ground substance that includes several dissolved cells. D. platelets, red blood cells, and white blood cells. E. platelets and a watery ground substance.
Which of the following describes the excitatory postsynaptic potential?
A) moves membrane potential away from threshold B) opens K+ or Cl- channels C) short distance depolarization D) short distance hyperpolarization
The nervous and endocrine systems are the body's two main regulatory systems. Describe some of the ways that the autonomic nervous system and the endocrine system interact
What will be an ideal response?