Course

Introductory Biology

Study Pack

Set 20 Biotechnology

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Question 1

(Multiple Choice)

Free
A student wishes to clone a sequence of DNA of ~200 kb. Which vector would be appropriate?

A) a plasmid
B) a typical bacteriophage
C) a BAC
D) a plant virus
E) a large polypeptide

Answer

Question 2

(Multiple Choice)

Free
Yeast artificial chromosomes contain which of the following elements?

A) centromeres only
B) telomeres only
C) origin of replication only
D) centromeres and telomeres only
E) centromeres, telomeres, and an origin of replication

Answer

Question 3

(Multiple Choice)

Free
Pax-6 is a gene that is involved in eye formation in many invertebrates, such as Drosophila. Pax-6 is found as well in vertebrates. A Pax-6 gene from a mouse can be expressed in a fly and the protein (PAX-6)leads to a compound fly eye. This information suggests which of the following?

A) Pax-6 genes are identical in nucleotide sequence.
B) PAX-6 proteins have identical amino acid sequences.
C) Pax-6 is highly conserved and shows shared evolutionary ancestry.
D) PAX-6 proteins are different for formation of different kinds of eyes.
E) PAX-6 from a mouse can function in a fly, but a fly's Pax-6 gene cannot function in a mouse.

Answer