The technique of _______________________ is used to transfer DNA from an agarose gel to a membrane
a. RT-PCR
b. Southern blotting
c. restriction mapping
d. western blotting
e. northern blotting
Ans: b
You might also like to view...
How many nucleotides are different in one sequence from those in the other?
a. 1 b. 2 c. 3 d. 4
Which statement is true?
1.The hydrogen bonding of cytosine to guanine is an example of complementary base pairing. 2.Adenine always pairs up with guanine in DNA, and cytosine always teams up with thymine. 3.Each of the four nucleotides in a DNA molecule has the same nitrogen-containing base. 4.When adenine base pairs with thymine, they are linked by three hydrogen bonds. 5.In the DNA of all species, the amount of cytosine never equals the amount of guanine.
Which of the following is needed as a reactant for the first step of the citric acid cycle?
a. Malic acid b. Succinyl CoA c. Oxaloacetic acid d. Citric acid
Pinworm is a nematode parasite that lives in the human rectum and causes itching in the anal area. What best explains the itching symptom?
A. Any kind of parasite will naturally irritate the skin. B. The itching is a side-effect when the immune system has successfully attacked the nematode. C. The itching induces the person to scratch, helping to spread the parasite to another person. D. The itching is because of the mismatch between humans and the parasite's natural host.