The events of ________ are initiated at sequences called origins
A) DNA replication
B) translation
C) splicing
D) transcription
E) transposition
A
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Explain what happens to the catalase molecule and activity when the pH is on either side of the optimum level.
What will be an ideal response?
Arrange the steps in RNA splicing in order from earliest to latest
A) exon ends are covalently joined together B) components of the spliceosome bind conserved regions in the intron and bring them together in close proximity C) acceptor splice site is cut. D) donor splice site is cut and the end of the intron is joined covalently to the branch site
A scientist is studying the lysogenic cycle of the lambda 1 phage of Escherichia coli. This means that she is investigating
A. the integration and stabilizing of the lambda 1 phase into a host cell's genome. B. the integration of the bacteria's genome with the viral genome outside of the bacteria's cell wall. C. the integration of the viral genome into the ribosomes present in the bacteria to direct protein synthesis for the capsid formation. D. the integration and stabilizing of a virus into its capsid, which provides protection until conditions are better for reproduction.
As elevation increases, O2 ____
a. availability increases b. availability decreases c. availability remains constant d. levels increase, but there is none present above 20,000 feet e. levels decrease, until there is none present above 20,000 feet