When data are presented in a graph, independent variables such as time or age should be plotted on the ________ axis
Fill in the blank(s) with correct word
horizontal or abscissa or x-
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The two codons for glutamine are CAA and CAG. Which one of the following is likely to be the anticodon of a tRNA that is specific for glutamine?
A. GUC B. CGU C. CUG D. GCU
Cloning vectors do not replicate in bacteria
1.True 2.False
The digestive systems of carnivores typically
a) include relatively long intestines with colonies of bacteria b) contain gizzards for digesting seeds c) have more than one stomach to digest cellulose d) are short and produce fast-acting enzymes
Each origin of replication in eukaryotic cells is recognized by an origin recognition complex, which allows the assembly of the prereplicative complex including the replicative helicase. This complex ultimately allows the recruitment of DNA polymerase. After DNA polymerase is recruited to an origin and replicates the DNA in that region during S phase, the replicative helicase cannot be loaded onto the DNA in that region again until early G1 due to a variety of regulatory mechanisms. Why is it important that, once used, the replicative helicase cannot be loaded onto the DNA again until G1 of the cell cycle?
A. This ensures that DNA repair processes can only take place during G1 of the cell cycle. B. This ensures that DNA cannot be replicated again in that region until the next cell cycle. C. This ensures that multiple origins must be used to replicate the DNA in all cellular chromosomes. D. This ensures that telomeres on all chromosomes will be replicated properly.