DNA Replication

Question 1

Double stranded molecule with a double helix structure

Answer 1

DNA Structure

Question 2

3 components of DNA structure

Answer 2

Phosphate group
Sugar
Nitrogenous Base

Question 3

Process by which double-stranded DNA molecule is copied to produce two identical DNA molecules

Answer 3

DNA Replication

Question 4

Replication units called ________, which forms bubbles and are stretches of DNA with a single origin of replication

Answer 4

Replicons

Question 5

3 models of DNA Replication

Answer 5

Semiconservative
Conservative
Dispersive

Question 6

DNA replication model where each of the two molecule created would be a complex of a parent and daughter strand

Answer 6

Semiconservative

Question 7

DNA replication model where the process would create a brand-new DNA double helix made of two daughter strands while the parental chain would stay together

Answer 7

Consevative

Question 8

DNA replication model where the process would create two DNA double-chains, each of them with parts of both parents and daughter molecules

Answer 8

Dispersive

Question 9

Which DNA replication model is the correct model

Answer 9

Semiconservative

Question 10

Who proved that the Semiconservative model of DNA Replication is the correct model

Answer 10

Matthew Meselson
Franklin Stahl

Question 11

Synthesizes the Leading strand and replicates towards the replication fork

Answer 11

Continuous Replication

Question 12

Synthesizes the Lagging strand
Occurs in short segments called Okazaki fragments
Replicates away from the replication fork

Answer 12

Discontinuous Replication

Question 13

5 Enzymes in DNA Replication

Answer 13

Helicase
Primase
Clamp Protein
DNA Polymerase
Ligase

Question 14

Which enzyme unwinds the DNA double helix

Answer 14

Helicase

Question 15

Which enzyme synthesizes short oligonucleotides (primers)

Answer 15

Primase

Question 16

Which enzyme allows the leading strand to be threaded through

Answer 16

Clamp Protein

Question 17

Which enzyme joins the assembled nucleotides and acts as a builder because it adds new nucleotides

Answer 17

DNA Polymerase

Question 18

Joins Okazaki fragments in the lagging strands; Glues DNA fragments together

Answer 18

Ligase

Question 19

Synthesized continuously as a single strand from the point of origin toward the opening replication fork

Answer 19

Leading Strand

Question 20

Synthesized discontinuously against overall direction of replication

Answer 20

Lagging Strand

Question 21

Series of short segments on the lagging strand

Answer 21

Okazaki Fragments

Question 22

Identify which Step # in DNA Replication:

Helicase unwinds the DNA and separates the strands

Answer 22

Step 1

Question 23

Identify which Step # in DNA Replication:

Single-stranded binding proteins attach and keep the 2 DNA strands separated and untwisted

Answer 23

Step 2

Question 24

Identify which Step # in DNA Replication:

Primase creates the primers on both strands

Answer 24

Step 3

Question 25

Identify which Step # in DNA Replication:

DNA polymerase can then add the new nucleotides

Answer 25

Step 4

Question 26

Identify which Step # in DNA Replication:

DNA polymerase proofreads, checks activity, and replaces incorrect bases

Answer 26

Step 5

Question 27

Identify which Step # in DNA Replication:

Replication continues. Synthesis of Continuous and Discontinuous strands

Answer 27

Step 6

Question 28

Identify which Step # in DNA Replication:

Enzymes remove RNA primers

Answer 28

Step 7

Question 29

Where does energy for bonding come from

Answer 29

Nucleotides (contains ATP)

Question 30

RNA primer is built by?

Answer 30

Primase

Question 31

Serves as starter sequence for DNA Polymerase III

Answer 31

RNA primer