Which of the following is the best explanation for why night vision is fuzzy and indistinct?
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.
C
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The lungs' elastic behavior results from elastin fibers and alveolar surface tension
a. True b. False Indicate whether the statement is true or false
In the process of spermiogenesis, ________ become ________.
A. spermatogonia; spermatocytes B. spermatozoa; spermatids C. spermatocytes; spermatids D. spermatids; spermatozoa E. spermatocytes; spermatozoa
When a cell increases in size, it is called _____________________.?
Fill in the blank(s) with correct word
Which of the following functional groups of organic compounds link molecules through dehydration synthesis?
A) amino group B) hydroxyl group C) phosphate group D) carboxyl group E) none of the above