16. Cloning genes in the yeast offer which of following advantage(s)?
A. Overproduction of proteins of commercial value
B. Ability to glycosylate proteins during secretion
C. Ability to clone large piece of DNA
D. All of the above
17. Which one of the following is true about Yeast Episomal plasmids (YEp) vectors?
A. Allows transformation by using crossing over
B. Has an origin of replication and rep genes
C. Carries autonomously replicating sequence
D. Carries centromere and telomere sequences
18. Which one of the following is true about Yeast Centromeric plasmids (YCp) vectors?
A. Contains centromeric sequences
B. Segregates during meiosis and mitosis
C. Functions as true chromosome
D. All of the above
19. Autographa California nuclear polyhedrosis virus that is used as a vector for animal cells is an example of
A. Vaccinia virus
B. Baculovirus
C. Papillomavirus
D. Retrovirus
20. Polyhedrin protein is
A. nonessential for baculovirus replication
B. major component of the protein matrix in which viruses are embedded
C. both (a) and (b)
D. essential for baculovirus replication