Which of the following is a contraceptive method that not only prevents fertilization but also provides protection against sexually transmitted diseases?
A. Oral contraceptives
B. Diaphragm
C. Spermicidal agents
D. Condom
Answer: D
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Jerry is in an automobile accident that severs his spinal cord at waist level. After his recovery, he wonders if he will still be able to have an erection, enjoy sex, and father a child. What would you tell him?
What will be an ideal response?
Salivary glands are glandular acinar cells that produce a water fluid. This cell type is most predominant in which of the following glands?
(a) oesophageal glands (b) intestinal glands (of liehenur) (c) the parotid gland (d) the sublingual gland (e) the submandibular gland
Pre-mRNA contains noncoding regions called ________.
A. exons B. introns C. spliceosomes D. small nuclear ribonucleoproteins (snRNPs)
Branches that may occur along an axon are called
A) dendrites. B) synaptic knobs. C) collateral branches. D) hillocks. E) synapses.