You transform bacteria with a plasmid carrying the ampicillin-resistance gene ampR. How would you determine which bacteria took up the plasmid?
A. Bacteria containing the plasmid would be able to grow in the absence of ampicillin.
B. Bacteria containing the plasmid would be able to produce ampicillin.
C. Bacteria containing the plasmid would turn blue.
D. Bacteria containing the plasmid would be able to grow in the presence of ampicillin.
E. Ampicillin-resistance is necessary for the plasmid DNA to get into the bacteria.
D. Bacteria containing the plasmid would be able to grow in the presence of ampicillin.
You might also like to view...
Which of the following differentiates marshes and swamps from bogs?
a. Marshes and swamps have no moving water. b. Bogs are devoid of plant life. c. Bogs have very little or no moving water. d. Marshes and swamps have more insect life than bogs.
Compare and contrast the structure and function of the saccule and utricle with that of the semicircular
canals with regard to maintaining equilibrium. What will be an ideal response?
A zygote forms when
A) the nucleus from the sperm fuses with the egg nucleus. B) the sperm penetrates the zona pellucida. C) the blastocyst begins to form. D) the acrosomal cap is ruptured. E) meiosis II in the secondary oocyte initiates.
Resting membrane is established by equal levels of (i) ___________, and (ii) _______________.
a) (i) diffusion (efflux of K+), (ii) electric force (influx of K+) b) (i) diffusion (influx of K+), (ii) electric force (efflux of K+) c) (i) diffusion (efflux of Na+), (ii) electric force (influx of Na+) c) (i) diffusion (influx of Na+), (ii) electric force (efflux of Na+)