DNA & the Genome (OCR GCSE Biology A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
What type of molecule is DNA?
What type of molecule is DNA?
A polymer made up of two strands
What is the name of the structure formed by DNA's two strands?
What is the name of the structure formed by DNA's two strands?
Double helix
Where is DNA contained in the nucleus?
Where is DNA contained in the nucleus?
In chromosomes
How many nitrogenous bases are there in DNA?
How many nitrogenous bases are there in DNA?
Four
How do the nitrogenous bases in DNA arrange themselves?
How do the nitrogenous bases in DNA arrange themselves?
They form complementary pairs
What is a gene?
What is a gene?
A small section of DNA on a chromosome
What structure in a gene codes for a specific protein?
What structure in a gene codes for a specific protein?
A triplet of bases
What do genes code for?
What do genes code for?
A sequence of amino acids
What is the genome?
What is the genome?
All genes coding for all proteins
What has studying the human genome helped improve understanding of?
What has studying the human genome helped improve understanding of?
Genes linked to disease