DNA Replication (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the main purpose of DNA replication?
What is the main purpose of DNA replication?
To create exact copy of DNA
Where in the cell does DNA replication occur?
Where in the cell does DNA replication occur?
Nucleus
When does DNA replication take place?
When does DNA replication take place?
When cell is not actively dividing
What is chromatin?
What is chromatin?
Long, thin fibres of DNA
What type of replication is DNA replication?
What type of replication is DNA replication?
Semi-conservative
How many DNA molecules are produced from one original DNA molecule during replication?
How many DNA molecules are produced from one original DNA molecule during replication?
Two
Which base pairs with adenine (A) during DNA replication?
Which base pairs with adenine (A) during DNA replication?
Thymine (T)
Which base pairs with guanine (G) during DNA replication?
Which base pairs with guanine (G) during DNA replication?
Cytosine (C)
What is the role of DNA polymerase in replication?
What is the role of DNA polymerase in replication?
Joins nucleotides together
What is the first step in DNA replication?
What is the first step in DNA replication?
DNA double helix unwinds and uncoils
What are the three components of a DNA nucleotide?
What are the three components of a DNA nucleotide?
Phosphate, sugar, base
What does each new DNA molecule contain after replication?
What does each new DNA molecule contain after replication?
Half original DNA and half new DNA