A degenerative brain disorder transmitted by cannibalism is called ________
A) kuru
B) scrapie
C) Creutzfeldt-Jakob disease
D) herpes
A
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Figure “B” in the above pair can be called a
a. cotyledon b. petiole c. dicot; evergreen d. vein; e. monocot
Messenger RNA molecules that direct the synthesis of more than one polypeptide are said to be ________.
Fill in the blank(s) with the appropriate word(s).
The death rate of organisms in a population exhibiting a Type III survivorship curve is:
a. usually correlated with density-independent causes. b. more or less constant throughout their lives. c. lower after the organisms survive to the critical age of establishment.
You wish to learn if the initiation of root hair formation depends on either translation or transcription. Roots were treated with actinomycin D, cycloheximide, and mock treated with a control solution without either of the two inhibitors. You find that root hair initiation was inhibited when mock treated with the control solution and in the presence of either cycloheximide or actinmycin D. From this you can conclude that:
A) Both transcription and translation are required. B) Only transcription is required. C) Only translation is required. D) More data is needed.