Please select the statement that best describes the purpose of gel electrophoresis.
Gel electrophoresis is able to cut DNA in very specific locations.
Gel electrophoresis enables the amplification of specific DNA sequences.
Gel electrophoresis separates DNA fragments based on size.
Gel electrophoresis identifies specific segments of DNA.
Gel electrophoresis joins different segments of DNA.
Gel Electrophoresis separates DNA fragments based on size.
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Mitochondria contain their own DNA and replicate on their own. Why is it that they don't suffer the same consequences as our cells in terms of limited division?
A. Because they have high telomerase activity. B. Shortening of the DNA is only a problem with nuclear DNA; shortening of mitochondrial DNA isn't catastrophic. C. Mitochondrial DNA is circular, so it doesn't shorten when it replicates. D. Since mitochondrial DNA only contains a few genes, it can last a lot longer. E. Because they have high telomerase activity and their DNA is circular and so doesn't shorten in replication.
The chemical bonds in peptidoglycan can be hydrolyed by the enzyme ________, found in tears and saliva.
A. kinase B. lysozyme C. penicillinase D. peptidase
In the O/F Glucose Medium: If after inoculation and incubation of both tubes with the same bacterium you found that both, the open tube and the closed tube are yellow. What would you presume about the bacterium?
A. This bacterium is microaerophilic B. The bacterium is asacchrolytic C. This bacterium is an obligate anaerobe D. This bacterium is an obligate aerobe E. This bacterium is a facultative anaerobe
The stage of cellular reproduction in which nuclear division occurs; process in which a parent nucleus produces two daughter nuclei, each having the same number and kinds of chromosomes as the parent nucleus.
What will be an ideal response?