DNA Replication
Presentation
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Easy
+5
Standards-aligned
Jane Claussen
Used 316+ times
FREE Resource
18 Slides • 10 Questions
1
2
3
Match
Match the following
Cell increases in size, new organelles produced
Cell's DNA is replicated
Organelles replicated, cell continues to grow
Cell's nucleus divides
Cell's cytoplasm divides
G1 phase
S phase
G2 phase
Mitsosis
Cytokinesis
G1 phase
S phase
G2 phase
Mitsosis
Cytokinesis
4
Multiple Choice
When does the cell’s DNA replicate?
G1 phase
S phase
G2 phase
M phase
5
Match
Pair the following using the Base Pairing Rule
A
C
T
G
T
G
A
C
T
G
A
C
6
Match
Pair the following using the Base Pairing Rule
Adenine
Cytosine
Thymine
Guanine
Thymine
Guanine
Adenine
Cytosine
Thymine
Guanine
Adenine
Cytosine
7
Know the enzymes and steps of DNA replication
I Will...
Explain the enzymes and steps of DNA Replication
We Will...
8
Replication assures that every cell has a complete set of identical genetic
information.
9
10
11
12
13
14
Multiple Choice
DNA replication is described as ________ when new DNA is composed of one strand from the parent DNA and one strand that is newly synthesized.
semi-permeable
semi-solid
semi-colon
15
Match
Match the following: Enzymes to Functions
Helicase
DNA Polymerase
Ligase
Primase
enzyme unzips DNA like a zipper, creating two single strands of DNA
Builder enzyme that synthesizes new strands of DNA by adding DNA nucleotides
Enzyme that joins or glues fragments of new DNA together
Enzyme that creates a starting point for DNA polymerase
enzyme unzips DNA like a zipper, creating two single strands of DNA
Builder enzyme that synthesizes new strands of DNA by adding DNA nucleotides
Enzyme that joins or glues fragments of new DNA together
Enzyme that creates a starting point for DNA polymerase
16
Fill in the Blanks
What is the complementary base pairing for the following sequence?
A A T T G G C C
Type answer...
17
Know the enzymes and steps of DNA replication
I Will...
Explain the enzymes and steps of DNA Replication
We Will...
18
19
Enzyme - Helicase unzips double-stranded DNA helix by breaking hydrogen bonds between complementary base pairs, separating into single strands
20
Enzyme - Primase attaches RNA primers to DNA, starting point for DNA polymerase
SSB proteins attach to unzipped DNA, stops from joining back together.
Topoisomerase relaxes DNA helix from super-coiled structure
21
DNA polymerase builds new DNA strands by adding new nucleotides. Can only build in the 5′ to 3′ direction. Creating a leading and lagging strand
22
Enzyme - Ligase joins or glues DNA fragments together
Exonuclease removes primers, they are made of RNA. DNA polymerase replaces them with DNA nucleotides
23
Second type of DNA polymerase scans DNA for any errors and fixes any found
24
25
Fill in the Blanks
What is the complementary base pairing for the following sequence?
A T A T C G C G
26
Match
Match the following: Steps of DNA Replication
1. Unzipping
2. Stabilizing
3. Priming
4. Building and Extending
Helicase unzips DNA helix
SSB proteins prevent DNA from binding back together
Primase marks starting point for DNA polymerase
DNA polymerase builds new DNA strands in 5' to 3' direction
Helicase unzips DNA helix
SSB proteins prevent DNA from binding back together
Primase marks starting point for DNA polymerase
DNA polymerase builds new DNA strands in 5' to 3' direction
27
Match
Match the following: Steps of DNA Replication
6. Gluing
5. Replacing
7. Proofreading
Ligase joins DNA fragments together
Exonuclease removes primers, DNA polymerase replaces with nucleotides
DNA polymerase scans DNA for errors, fixes any found
Ligase joins DNA fragments together
Exonuclease removes primers, DNA polymerase replaces with nucleotides
DNA polymerase scans DNA for errors, fixes any found
28
Know the enzymes and steps of DNA replication
I Will...
Explain the enzymes and steps of DNA Replication
We Will...
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