Gene transfer that requires cell-to-cell contact is
A. transformation.
B. competency.
C. conjugation.
D. functional genomics
C
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I am a ribonucleoprotein; I contain both a polypeptide and an RNA molecule. My RNA binds to unique sequences on a DNA molecule, targeting them for cleavage by my polypeptide. I occur naturally in microbes to protect against viral attack, and I can be engineered in the lab for precision DNA editing. What am I?
A. Cas9 nuclease B. EcoR1 restriction enzyme C. 3' oligonucleotide D. RNA polymerase
Where does transcription take place in a typical eukaryotic cell?
a. the nucleus b. ribosomes c. the cytoplasm d. ribosomes and the cytoplasm
The resting potential across a typical neuron membrane is approximately ____ inside relative to outside.
A. ?70 microvolts B. ?70 millivolts C. ?70 volts D. +70 millivolts E. +70 megavolts
Which of the following consume other living organisms?
I) primary producers II) herbivores III) carnivores IV) decomposers A) only II and III B) only I and IV C) only I, II, and IV D) only II, III, and IV E) only I, II, and III