Why do cones exhibit less neuronal convergence than rods?
A) Photopic vision has higher resolution than scotopic vision.
B) Rods do not function in bright light.
C) No images are perceived within the optic disc.
D) Cones do not detect black and white.
E) Rods cannot distinguish different colors from each other.
A
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Which of the following labeled panels in the figure shows flexion?
a) E b) F c) C d) G e) H
An isometric contraction is a contraction in which
a. tension (or force) increases, but length stays the same. b. tension (or force) stays the same, but length increases. c. tension (or force) stays the same, and length stays the same. d. tension (or force) stays the same, but length decreases. e. tension (or force) decreases, and length decreases.
Eicosanoids are derived from steroids
Indicate whether the statement is true or false
Which of the following is true of inclusions?
A. They are one component of the cytoskeleton. B. An example of an inclusion is a mitochondrion. C. They are never enclosed in a unit membrane. D. They are essential for cell survival. E. They are enclosed in a unit membrane.