If a scientist were to shoot protons through an atom, for instance like Rutherford did with gold foil, he or she would likely find that
A. most of the protons passed straight through the atom.
B. few of the protons passed straight through the atom.
C. most of the protons deflected or bounced back from the atom.
D. most of the protons would be absorbed by the atom.
E. All of the choices are correct.
A. most of the protons passed straight through the atom.
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If mRNAs could be ligated and replicated within plasmids, what enzyme commonly used in recombinant DNA technology would no longer be needed?
A) restriction enzymes B) DNA polymerase C) RNA polymerase D) reverse transcriptase E) Taq polymerase
DNA microassays:
A. can reveal protein-protein interactions. B. demonstrate differential expression of genes. C. can reveal protein-RNA interactions. D. can be used to purify proteins that bind to epitope tags. E. are somewhat large and unwieldy but give a great deal of information.
The human lineage began to diverge from those of other primates about:
A. 153 million years ago B. 210 million years ago C. 6 million years ago D. 18 million years ago E. 64 million years ago
What would a scientist need to use in the CRISPR-Cas system to introduce a small deletion into a gene?
A. CRISPR gene B. sgRNA C. Cas2 gene D. donor DNA E. Cas9 gene