For applications in gene therapy, what is the most favorable characteristic of retroviruses?
A) Retroviruses have an RNA genome.
B) Retroviruses possess reverse transcriptase.
C) DNA copies of retroviral genomes become integrated into the genome of the infected cell.
D) Retroviruses mutate often.
C
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A soil sample was diluted into a nutrient broth, then spread onto a plate and grown for one week at room temperature. Several colonies appeared dusty or fuzzy and yet were identified as bacteria-not as fungi
Which genus do these isolates likely belong in? A) Actinomyces B) Mycobacterium C) Nocardia D) Streptomyces
When scientists placed ATP Synthase linked to fluorescent actin on a microscope slide and added ATP, the actin could be seen spinning. If the scientists instead added ADP what would happen?
A. The actin would spin because ADP can also move through the channel in ATP synthase. B. The actin would not spin because it required ATP hydrolysis. C. The actin would not spin because only ATP can move through the channel in ATP synthase. D. The actin would spin when ADP is phosphorylated to form ATP.
An ideal antimicrobial therapeutic drug exhibits all of the following characteristics, except
A. they are nontoxic to host. B. they are easily administered. C. they have limited capacity to elicit resistance. D. they are nonallergenic. E. they are easily broken down by host.
Runs through core of osteon, contains blood vessels and nerve fibers.
What will be an ideal response?