KA2a DNA replication

KA2a DNA replication

Poll

How well do you think you remember this topic?

• I think I remember this well, I am confident!

• I think I remember most, we shall see...!

• I remember some of it, need a refresh!

• I can't remember anything, but I'm sure i will soon!

A few questions to recap....:)

Multiple Choice

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

Multiple Choice

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

Open Ended

Why do cells need to replicate their DNA?

Multiple Choice

DNA replication results in two DNA molecules,

• each one with two original strands

• each one with two new strands

• each one with one new strand and one original strand

• one with two new strands and the other with two original strands

Breakout room

Can you remember what a cell needs to be able to replicate? Try list as many as you can in 5 minutes :)

Open Ended

List some things that cells need to be able to replicate

Multiple Choice

The enzyme that unzips the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase

Multiple Choice

This strand being made is called the lagging strand

• True

• False

Multiple Choice

The enyme used to join the okazaki fragments together is called:

• polymerase

• ligase

• helicase

• formase

Multiple Choice

The enzyme that unzips the DNA to prepare for replication is

• helicase

• replicase

• polymerase

• synthase

Multiple Choice

DNA replication results in two DNA molecules,

• each one with two original strands

• each one with two new strands

• each one with one new strand and one original strand

• one with two new strands and the other with two original strands

Multiple Choice

The enyme used to join the okazaki fragments together is called:

• polymerase

• ligase

• helicase

• formase

Multiple Select

Which of these are required for DNA replication

• DNA polymerase

• free nucleotides

• Primers

• DNA helicase

• Taq polymerase

Poll

How do you feel about this topic now?

• Confident, but can always study and learn more

• Getting there, just need to go over it and revise

• Still a lot to learn, I might need extra support

• I am struggling and definitely need more support