What structure transports both urine and semen from the penis?
A) ductus deferens
B) urethra
C) seminal vesicles
D) None of the listed responses is correct.
B
Explanation:
A) The ductus deferens does not carry urine and semen out of the penis.
C) The seminal vesicles do not carry urine and semen out of the penis.
D) One of the listed answers is correct.
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The muscle cell membrane is called the ________.
A) endomysium B) sarcolemma C) perimysium D) epimysium
A continuous capillary differs from a fenestrated capillary because
A) the endothelium is a complete lining, with endothelial cells connected by tight junctions and anchoring junctions, which is untrue for a fenestrated capillary. B) this is a classification by location only, and does not have any structural significance. C) a continuous capillary has a continuous media and externa; a fenestrated one does not. D) a continuous capillary has pores arranged in an ordered pattern; a fenestrated one does not. E) All of the answers are correct.
The common name for the nuchal crest is the __________
Fill in the blank(s) with correct word
Which of the following is not true of enzymes?
A. Enzyme activity is temperature-dependent. B. Enzymes are relatively non-specific, and able to catalyze several chemical reactions in the body. C. Denaturation destroys the ability of an enzyme to function. D. They are considered to be biological catalysts. E. All of these are true of enzymes.