The extraembryonic membrane that persists as part of the urinary bladder is (the)
A) allantois.
B) yolk sac.
C) chorion.
D) amnion.
E) None of the answers are correct.
A) allantois.
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Which of the following is NOT part of a nephron?
A. loop of Henle B. collecting duct C. renal corpuscle D. proximal convoluted tubule E. distal convoluted tubule
____________________ are immature circulating erythrocytes that contain residual ribosomes and organelle remnants that have not yet been extruded
Fill in the blank(s) with correct word
A dialysis sac that is permeable to glucose and water is filled with water and placed in a beaker containing 20% glucose solution. Will there be a net transport of glucose across the dialysis sac? If so, in which direction will the glucose move, into the
sac or out of the sac? A) There is no net movement, but glucose will move back and forth across the membrane. B) No, there is no force to drive glucose across the membrane. C) Yes, glucose will move into the sac. D) Yes, glucose will move out of the sac.
Olfactory receptor cells, sensory receptors for olfaction, are located ________
A) in the olfactory epithelium B) in the semicircular canals C) in the cochlear duct D) in structures called papillae