Which of the following statements about CRP is false?
a. It is a dimer.
b. It is activated by a single molecule of cAMP.
c. It is activated when cellular glucose levels are low.
d. It binds to the lac O1 operator.
e. It activates RNA polymerase.
Ans: d
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The Gram-negative chlamydiae are ________.
A. motile due to periplasmic flagella B. Gram-positive, spore-forming rods C. photosynthetic D. obligate intracellular parasites
Describe the relationship between single nucleotide polymorphisms and haplotypes and explain how each is used in
genome-wide association studieWhat will be an ideal response?
You briefly expose bacteria undergoing DNA replication to radioactively labeled nucleotides. When you centrifuge the DNA isolated from the bacteria, the DNA separates into two classes
One class of labeled DNA includes very large molecules (thousands or even millions of nucleotides long), and the other includes short stretches of DNA (several hundred to a few thousand nucleotides in length). These two classes of DNA probably represent _____. A) leading strands and Okazaki fragments B) lagging strands and Okazaki fragments C) Okazaki fragments and RNA primers D) leading strands and RNA primers
Which strategy do viruses with small genomes, such as the MS2 phage, use to make their small genomes more efficient?
a. relying on the host to supply RNA replicase for replication b. possessing overlapping genes that encode for multiple proteins c. keeping the number of genes in their genome to a maximum of three d. all of the above