Quiz 7

Question 1

Here is a strand of DNA
3’-ATGCCAGGGTTACTA-5’
give the complementary strand of DNA make sure to label the 5’ and 3’ ends

Answer 1

5’-TACGGTCCCCAATGAT-3’

Question 2

The following enzyme separates the two strand of DNA during DNA replication

Answer 2

DNA helicase

Question 3

The lac operon is an inducible promoter. diagram the lac operon when lactose is present and the operon is working. Be sure to include the promoter, operator, repressor, RNA polymerase, where the lactose is bound, and the genes in the lac operon

Answer 3

look at the diagram on quiz

Question 4

the following enzyme creates a new strand of DNA complementary to a template strand
does this enzyme move in a 3’ to 5’ or a 5’ to 3’ direction down the template strand?

Answer 4

DNA polymerase and it goes 3’ to 5’

Question 5

The first 18 nucleotides of the coding sequence of the human luteinizing hormone gene are:
3’-TAC CTC TAC GAG GTC CCC-5’
use this DNA as the template to give the mRNA:

Answer 5

AUG, GAG, AUG, CUC, CAG, GGG

Question 6

what are the first 6 amino acids for this protein

Answer 6

MET, GLU, MET, LEU, GLN, GLY

Question 7

give the tRNA anticodons used to make this protein

Answer 7

UAC, CUC, AUC, GAG, GUC, CCC