When a chemical messenger has a short half-life, it means that
A. it will not have an extremely prolonged effect on target cells.
B. it will not be eliminated quickly from the blood.
Answer: A
Anatomy & Physiology
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At the end of meiosis I, there are two haploid cells, each with two sister chromatids per chromosome.
a. true b. false
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Which cells are involved in cellular immunity?
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Anatomy & Physiology
Movement of leukocytes between the endothelial blood vessel cells into the body tissues is called _____________
Fill in the blank with correct word.
Anatomy & Physiology