Antibody genes
A) contain both constant and variable regions.
B) are formed by cutting and splicing DNA in B cells during development.
C) are made from two heavy and two light chains, each of which has a variable region.
D) each recognize one antigen and are the only antibody made by their B cell.
E) All of these
E
You might also like to view...
The portion of the tRNA molecule that binds to the codon on the mRNA is called the
A. anticodon. B. c-codon. C. paracodon. D. complementary codon.
You have type O blood (genotype ii). Who can you donate blood to in an emergency?
a. type O only b. type B only c. type A only d. type AB only e. types A, B, AB, and O
Mutant forms of proto-oncogenes are called ____________________. Fill in the blank(s) with the appropriate word(s)
Which is the only prokaryote to carry on photosynthesis that generates oxygen?
a. clostridia b. chlamydias c. myobacteria d. cyanobacteria e. purple sulfur bacteria