Louise Brown was the first baby born as a result of ____________________. Fill in the blank(s) with the appropriate word(s)
ANS: in vitro fertilization
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How are hormones that are made by cell bodies in the hypothalamus delivered to the pituitary gland?
a. via exocrine ducts b. by the systemic bloodstream c. by capillaries that supply the anterior pituitary d. by axons e. by the lymphatic system
The condition occurring when an organism has a 2n + 1 chromosome composition is known as
a. monosomy. b. trisomy. c. diploid. d. haploid. e. both trisomy and haploid.
When carbon dioxide levels in the blood rise the ____
a. rate of breathing decreases b. depth of breathing decreases c. activity of the central chemoreceptors decreases d. amount of oxygen in the blood rises e. pH of the cerebrospinal fluid falls
Cells must constantly bring in certain molecules and ions while keeping others out. What part of the cell accomplishes this function?
a. the vesicles b. the plasma membrane c. the nucleus d. the lysosomes