A fungus that has been implicated in frog population declines worldwide is a member of the _____ group
a. club fungi
b. chytrid
c. zygote fungi
d. glomeromycetes
e. sac fungi
b
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Dead Artemia cells that have been treated with trypan blue appear
(a) colorless. (b) blue. (c) red. (d) indistinguishable from living treated cells.
Kinesin motor proteins use ATP energy to:
A. carry vesicles along a microtubule within a cell in a minus-to-plus direction. B. carry vesicles along a microfilament within a cell in a minus-to-plus direction. C. carry vesicles along a microtubule within a cell in a plus-to-minus direction. D. carry vesicles along a microfilament within a cell in a plus-to-minus direction. E. slide along microfilaments to contract muscle cells.
The region that determines the class of antibody is indicated by number
a. 1. b. 2. c. 3. d. 4. e. 5.
If you were observing the early development of a chick embryo and saw patterns in terms of the placement of head and wings, you would assume that you were seeing the effects of
A. controlled gene expression. B. temperature. C. appropriate lighting. D. sex hormones. E. All of the answer choices are correct.