What is the term used to describe segments of eukaryotic pre-mRNA that are removed in the final synthesis of mature mRNA?
A. introns
B. promoters
C. exons
D. terminator
A. introns
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The major structural elements of the cytoskeleton are
A) the extracellular matrix and the cell wall. B) microtubules, microfilaments, and intermediate filaments. C) the cytoplasm and cytosol. D) cleavage furrows and G-actin. E) proteoglycans and cellulose microfibrils.
The ATP made during glycolysis is generated by
A. substrate-level phosphorylation. B. oxidation of NADH to NAD+ C. photophosphorylation. D. chemiosmosis. E. electron transport.
Which of the structures in Figure 28-1 is largely responsible for attracting potential pollinators?
a. 1
b. 7
c. 10
d. 8
e. 3
The axial skeleton can be divided into the skull, the vertebral column, and the __________.
Fill in the blank(s) with the appropriate word(s).