The promiscuity of the CRISPER-Cas9 system likely benefits bacteria by ________

A) continuing the evolutionary process B) increasing the safety of medical applications
C) enabling faster search of large genomes D) facilitating defense against new viral attacks


Answer: D

Biology & Microbiology

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The DNA sequence capable of pairing with 5' CGATTAGT 3' is:

A. 5' CGATTAGT 3'. B. 5' GCTAATCA 3'. C. 3' CGATTAGT 5'. D. 3' GCTAATCA 5'.

Biology & Microbiology

In general, the vessels that carry blood away from the heart in a closed circulatory system are referred to as

A. arteries. B. veins. C. capillaries. D. sinuses. E. auxiliary hearts.

Biology & Microbiology

RNA differs from DNA in that

A) it is usually single-stranded. B) it is usually double-stranded. C) it has thymine instead of uracil. D) it has deoxyribose instead of ribose.

Biology & Microbiology

The same DNA probe used to measure mRNA levels by northern blotting can also be used on a Southern blot with a restriction digest of genomic DNA

What new information can be gained from Southern blotting (that wasn't already obtained by the northern blot analysis)? A) the level of protein that is being translated from the mRNA transcript B) the presence of a unique restriction fragment pattern indicating a mutation in a known restriction site C) the size of the genomic DNA fragments, including both introns and exons D) the size of the genomic DNA fragments and the level of protein being translated E) the size of the genomic DNA fragments and the presence of a unique restriction fragment pattern indicating a mutation in a known restriction site (both B and C)

Biology & Microbiology