The green sulfur bacteria ________.
A. deposit granules outside the cell
B. deposit granules within and outside the cell
C. deposit granules within the cell
D. do not deposit granules
Answer: A
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Indicate whether the statement is true or false.
The jawless vertebrates, referred to as agnathans, form a monophyletic group that includes an ancestor and all of its
descendants.
a. True b. False
The gonads are another name for
a. the parathyroid and thyroid. b. the ovary and testis. c. the adrenal cortex and medulla. d. the anterior and posterior pituitary. e. none of these
Why do things appear mainly black or white to us in low light?
A) Rods are more sensitive to light than are cones. B) Colored light does not strike the retina in low light. C) Only white light is available at night. D) Few action potentials are generated in low light. E) The diffused light of night does not fall on the fovea.