The cell membrane is composed mainly of
A. cytosol.
B. phospholipids and nucleic acids.
C. water.
D. phospholipids and proteins.
E. proteins and glycocalyx.
Answer: D
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The femur is connected to the acetabulum by a series of strong ____.?
a. ligaments b. epithelium c. sutures d. synarthroses
Hypothalamic hypophysiotropic hormones cause the release of oxytocin and vasopressin from the posterior pituitary
Indicate whether the statement is true or false
The word "countercurrent" within "countercurrent multiplier" refers to the opposite direction of flow of
A. tubular fluid in the proximal convoluted tubule and collecting tubule. B. salts and water across the wall of the renal tubule. C. tubular fluid within the ascending and descending limb of the nephron loop. D. sodium and potassium across the wall of the nephron.
Melanin is produced only by ________.
A. melanocytes B. keratinocytes C. Langerhans cells D. basal cells E. Merkel cells