Mastering Tricky Questions

Question 1

The start of each gene begins with a ____ segment

Answer 1

promoter

Question 2

during what phase does DNA replication occur in the cell cycle

Answer 2

Synthesis

Question 3

during which phase are DNA strands loosely coiled?

Answer 3

interphase

Question 4

what is a nonsense mutation

Answer 4

the unanticipated insertion of a stop codon that ends the sequence prematurely

Question 5

_____ is not a part of the lac operon

Answer 5

the regulatory genes

Question 6

what is the difference between a trp operon and a lac operon

Answer 6

lac operon controlled by positive control, trp operon by negative control

Question 7

where does the attachment of an amino acid to a tRNA occur

Answer 7

the cytoplasm

Question 8

For any given gene, what ultimately determines which DNA strand serves as the template strand?

Answer 8

the base sequence of the gene’s promoter

Question 9

In order to insert a human gene into a plasmid, both must _____

Answer 9

be cut by the same restriction enzyme

`

Question 10

during what step of the PCR process does Taq polymerase operate

Answer 10

denaturation