DNA Structure: The Watson and Crick Model (HSC SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does DNA stand for?
What does DNA stand for?
Deoxyribonucleic acid
On which date did Watson and Crick announce their DNA discovery at The Eagle pub?
On which date did Watson and Crick announce their DNA discovery at The Eagle pub?
28 February 1953
Where did James Watson and Francis Crick conduct their DNA research?
Where did James Watson and Francis Crick conduct their DNA research?
Cavendish laboratory, Cambridge
Which base pairs with adenine in DNA?
Which base pairs with adenine in DNA?
Thymine
Which two nitrogenous bases are classified as purines?
Which two nitrogenous bases are classified as purines?
Adenine and guanine
How many hydrogen bonds form between guanine and cytosine?
How many hydrogen bonds form between guanine and cytosine?
Three
If a DNA sample contains 20% guanine, what percentage is cytosine?
If a DNA sample contains 20% guanine, what percentage is cytosine?
20%
What are the three components of a nucleotide?
What are the three components of a nucleotide?
Phosphate, sugar, nitrogenous base
What does 'antiparallel' mean in DNA structure?
What does 'antiparallel' mean in DNA structure?
Strands run parallel in opposite directions
What is the main structural difference between DNA and RNA?
What is the main structural difference between DNA and RNA?
DNA is double-stranded; RNA is single-stranded