Which of the following is a fungus?
A. Truffles
B. Mushrooms
C. Yeast used to make bread
D. All of the above are types of fungi
Answer: D
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Cephalization refers to
a. a type of symmetry. b. a type of segmentation characteristic of lower forms of life. c. a group of protective cells found in the tentacles of a polyp. d. a transitional state in the life cycle of a jellyfish. e. none of these.
Almost all cases of alkaptonuria, a rare genetic disorder, arise as the result of mating between two
unaffected parents. Why? A. It is a co-dominant disorder. B. It is a dominant disorder. C. It is a recessive disorder. D. It is a disorder controlled by multiple alleles E. It is a disorder that only affects mature adults.
Some sensory receptors decrease their frequency of action potentials when exposed to a continued,
constant stimulus in a process known as: a. transduction. b. sensory adaptation. c. referred perception. d. reception. e. sensory summation
Which experimental modification would most effectively help to determine the sequence of reactions and reaction intermediates in the Calvin cycle?
A. Exposing the cells to alternating periods of light and darkness B. Varying the amount of water the cells are exposed to C. Exposing the cells to radiolabeled O2 instead of 14CO2 D. Exposing the cells to 14CO2 for various time intervals