What sequences are not considered to be regulatory elements?
A. Enhancers
B. Silencers
C. Core promoters
D. Cis-acting elements
E. General transcription factors
E
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The mutation labeled 1 to the far right in Figure 17-2 is:
a. legs developing where antenna should be.
b. appendages of the eyes.
c. enlarged antennae.
d. newly formed structures to remove pollen or dust from the eyes.
e. a revision of the fly body so that legs and antenna have switched places.
All of the following processes are associated with embryonic development EXCEPT which one?
A) cleavage B) meiosis C) morphogenesis D) differentiation E) growth
If a material mixes readily with water it is identified as _________.
a. dehydrated b. hydrophobic c. hydrophilic d. saturated
Which of the following includes some of the benefits of photosynthesis?
A. It is a source of carbon dioxide. B. It is an oxygen source as well as a source of stored energy. C. It stores chemical energy. D. It enhances the greenhouse effect.