A group of scientists are attempting to remove a gene from bacterial cells that confers resistance to the common antibiotic, penicillin. Which tool would be the most precise and efficient for this task?
a. using CRISPR to find and cut a specific sequence of bacterial DNA
b. using PCR to amplify bacterial DNA
c. using restriction enzymes to chop bacterial DNA into small pieces
d. creating a gene library from bacterial DNA
e. cloning bacterial DNA
Ans: a. using CRISPR to find and cut a specific sequence of bacterial DNA
You might also like to view...
Most grasses tolerate grazing and actually benefit from it
Indicate whether the statement is true or false
What type of cell communication is said to occur if a cell secretes a growth factor that then acts on neighboring cells to cause them to proliferate?
A. contact-to-contact signaling B. intercellular signaling C. autocrine signaling D. paracrine signaling E. endocrine signaling
Predict which of the following lipid characteristics would be most important to form the best liposomes for delivering a drug into a cell
A) It contains a carbon ring structure similar to that in cholesterol. B) It is linked to mannose C) It is short and polar like glycerol. D) It is amphipathic. E) It has three fatty acid chains like a triglyceride.
The nucleolus
A) is surrounded by a thin nucleolar membrane. B) is found in prokaryotes. C) contains tRNA. D) synthesizes ribosomal RNA. E) is found in prokaryotes and contains tRNA and rRNA.