The TATA box is a key element of the ____ of most eukaryotic protein-coding genes
a. terminator
b. coding region
c. promoter
d. transcription start point
e. introns
ANSWER: c
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In M. xanthus, ________ motility is a kind of twitching that is governed by the production of retractable type IV pili, only observed when cells are in a group.
Fill in the blank(s) with the appropriate word(s).
Hutton's theory of geological change included all EXCEPT
A. sudden extinction of species due to sudden, widespread disasters. B. extreme geological change occurring over a long period of time. C. production of layers of sediment through slow deposition. D. slow cycles of erosion and uplift.
Autosomal recessive genetic disorder that results in a deficiency in the enzyme hexosaminidase A; causes an accumulation of glycolipids in the lysosomes, resulting in a progressive loss of psychomotor functions.
What will be an ideal response?
The organic nonprotein components that aid in enzyme functioning are called
A. chaperones. B. reactants. C. coenzymes. D. substrates. E. products.