Which of the following nitrogen containing
bases is NOT found in molecules of DNA?
a. adenine
b. guanine
c. cytosine
d. thymine
e. uracil
E
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One way to regulate gene expression is through the production of different sigma factors. These cause RNA polymerase to bind to different sets of promoters, thereby altering the pattern of gene expression.
Answer the following statement true (T) or false (F)
If you were a researcher interested in trying to find a cure for multiple sclerosis, in which area would
you focus your research? a. understanding how myelin synthesis is regulated b. understanding why neurofibrillary tangles occur in the brain c. understanding how neural impulses are transmitted to other nerves d. understanding the action of the ion pumps e. understanding the regulation of neurotransmitter secretion and recycling
Because bacterial LPS is both hydrophilic and hydrophobic, a specialized transporting system, ________, is required for membrane transport and insertion.
A. acyl-carrier protein B. cytidine diphosphate carrier protein C. Lpt D. Tol
You make a knockout of a gene involved in neurological development, and find that the mice have malformed semicircular canals. Instead of being orthogonal (at right angles) to each other, they are parallel. What aberrant behavior might you see in these mice?
A. Low muscle tone B. Not startling to sudden noise C. Falling over D. Unable to respond to a call to locate another mouse E. Overeating