A,C,G, and T represent the bases in RNA
a. true
b. false
Answer: b. false
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Repeated sequences make DNA sequencing challenging for of all of the following reasons EXCEPT:
A. repeated sequences are typically longer than the short sequences obtained by automated sequencing. B. there is no easy way to determine how many copies of the same repeat are present within one chromosome. C. short repeats may fold back upon themselves to form a double-stranded structure that is not easily sequenced. D. the long repeats often have mutations that are not easily sequenced. E. All of the answer options are challenges to DNA sequencing due to repeated sequences.
Put the following steps of the HIV life cycle in order:1.Viral
RNAs and proteins assemble into new viral particles that bud from the cell. 2.DNA copy of the viral genome is integrated into the host genome. 3.Viral reverse transcriptase makes a DNA copy of the viral RNA genome. 4.Viral particle enters the cell. 5.The provirus is transcribed into viral RNA genomes and mRNAs to make viral proteins.
a. 3,2,5,1,4 b. 2,3,4,5,1 c. 4,2,3,1,5 d. 2,4,3,5,1 e. 4,3,2,5,1
Symptoms of multiple sclerosis
a. include muscle weakness. b. include impaired coordination. c. include vision problems. d. typically begin between the ages of 20 and 40. e. are described by all of these.
Streptococcal pharyngitis, commonly called "strep throat," is caused by ________.
A. Streptococcus trachius B. Streptococcus pyogenes C. Streptococcus pneumoniae D. Streptococcus mutans