What characteristic of phospholipids allows them to form the double layer seen in cell membranes?
A. They are soluble in water.
B. They are totally hydrophobic.
C. They are totally nonpolar.
D. They are amphipathic.
Answer: D
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A needle would pierce the epidermal layers of the forearm in which order?
A) basale, spinosum, granulosum, corneum B) basale, spinosum, granulosum, lucidum, corneum C) granulosum, basale, spinosum, corneum D) corneum, granulosum, spinosum, basale
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Indicate whether the statement is true or false
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Indicate whether the statement is true or false
Name the structures of the male external genitalia
A) penis, testis, and urethra B) prostate gland, epididymis, and testis C) penis, urethra, and scrotum D) prostate gland, seminal gland, and bulbo-urethral gland E) penis, testis, and scrotum