What is one feature of "engineered" plasmids that is helpful in the isolation and analysis of cloned DNA?
a. They can only handle DNA fragments of up to 10 kb.
b. They are an integral part of all eukaryotic cells.
c. They contain no genetic material of their own so that the cloned fragment is truly isolated.
d. The presence of genes that allow transformed cells to survive on different media.
e. The base sequence of one strand reads the same as its complement
d
You might also like to view...
Based on the functional roles of phosphate in various microbial metabolisms, deduce which compounds phosphate exists as in microorganisms
A) organic compounds B) inorganic compounds C) both organic and inorganic compounds D) neither organic nor inorganic compounds
The most common cause of low sperm count in males is _____
a. varicocele b. undescended testicles c. testicular failure d. semen disorders e. obstructions
Gene therapy has not yet cured any patient of his or her genetic disorder
a. True b. False
Refer to the paragraph above on the venom of marine core snails. What is the adaptive value of this toxin? I) It would cause muscle spasms in the prey. II) It would result in paralysis of the skeletal muscle of the prey
III) It would stimulate digestive tract smooth muscle to cause nausea and vomiting of the prey. A) only I B) only II C) only III D) only I and II