A Level Biology - Manipulating Genomes

Quiz by

Rate:

Last updated: December 9, 2024

You have not attempted this quiz yet.

More quiz info >>

6:00

Enter answer here

/ 15 guessed

The quiz is paused. You have remaining.

Copied!

Scoring

You scored / = %

This beats or equals % of test takers also scored 100%

The average score is

Your high score is

Your fastest time is

Keep scrolling down for answers and more stats ...

Hint	Answer
What process is used to amplify DNA?	PCR
What stage of this process is heated at 95C?	Denaturing
What stage of this process is heated at 55C?	Annealing
What stage of this process is heated at 72C?	Extension
What type of polymerase is used for this?	Taq polymerase
Why?	Human polymerase wouldn't survive at this temperature
What might you use gel electrophoresis for?	Forensics / crime scene investigation
What is the name of the gel involved in this process	Agarose gel (2%)

Hint	Answer
Why does longer strands of DNA travel a shorter distance in the gel	More resistance
How are these strands cut before being added to the wells of the gel?	Restriction Enzymes
What bits of DNA are cut?	Variable repeats / VNTRs / STRs
Which end is the DNA inserted at? (Cathode or Anode)	Cathode
What is the name of the special backbone used in sanger sequencing	Dideoxyribose
What is special about this sugar?	Lacks 2 oxygens
Why is this useful?	Cannot bind to next nucleotide