Which of the following is the best explanation of why it is difficult to discriminate the color of an object at night?
A) Rods contain a single kind of visual pigment.
B) Cones come in three types, each sensitive to different wavelengths of light.
C) The foveae are densely packed with cones.
D) As many as 100 cones may converge on one ganglion cell.
A
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Which of the following is an example of projectile motion?
A. a badminton shuttlecock during flight B. a long jumper while in the air C. both A & B D. none of the above
What plasma protein is most important for the blood's colloid osmotic pressure?
A) transport proteins B) collagen C) albumin D) antibodies
In the nephron, the fluid that immediately precedes urine is known as ________.
A. plasma B. tubular fluid C. glomerular filtrate D. renal filtrate E. medullary filtrate
Which of the following is a general sense?
A. Taste B. Vision C. Smell D. Hearing E. Touch