Exam 8

Question 1

DNA replication begins with the “ __ “ of the parent molecule as the hydrogen bonds between the base pairs are broken.

• Double helix
• Template strand
• Unbinding
• Unzipping

Answer 1

Unzipping

Question 2

What are the last names of the discoverers of DNA structure ?

• Okazaki and Meyers
• Watson and crick
• Walters and Sawyer
• Davis and Hayes

Answer 2

Watson and Crick

Question 3

What would be the complimentary strand for the following piece of DNA : CCGTAATCGG

• GGCATTAGCC
• TTAGCCAGAA
• AATCAGGAGCC
• GGACTTGAGG

Answer 3

GGCATTAGCC

Question 4

A portion of the double helix is unwound by a __

• leading strand
• nucleotide
• helicase
• lagging strand

Answer 4

Helicase

Question 5

DNA replication begins at a single, fixed location called a __ .

• Nucleotide origin
• Replication origin
• Genome origin
• Semiconservative origin

Answer 5

Replication Origin

Question 6

Adenine ( A ) pairs with what ?

- G, T, or C

Answer 6

Thymine ( T )

Question 7

Guanine ( G ) pairs with what ?

- C,A,T

Answer 7

Cytosine ( C )

Question 8

Which organisms have a faster speed of replication for DNA ?

• Humans
• Eukaryotes
• Bacteria

Answer 8

Bacteria

Question 9

When DNA replication is complete what has been formed ?

• 1 identical DNA molecule
• 2 identical DNA molecules
• 4 identical DNA molecules
• 1 parent strand of DNA

Answer 9

2 identical DNA molecules

Question 10

What are the names of discontinuous segments of polynucleotides formed during DNA synthesis?

• DNA ligase fragments
• Leading strand fragments
• Crick fragments
• Okazaki fragments

Answer 10

Okazaki fragments