DNA & Natural Polymers (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
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11 questions from this quiz
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Practise the questions
11 questions from this quiz
What are the small repeating units that make up polymers called?
What are the small repeating units that make up polymers called?
Monomers
How many long polymer chains make up the structure of DNA?
How many long polymer chains make up the structure of DNA?
Two
How many types of monomers (nucleotides) are used to build DNA?
How many types of monomers (nucleotides) are used to build DNA?
Four
What is the name of DNA's structure where two chains wrap around each other?
What is the name of DNA's structure where two chains wrap around each other?
Double helix
Who discovered the double helix structure of DNA in 1953?
Who discovered the double helix structure of DNA in 1953?
Rosalind Franklin
How many different bases are found in DNA?
How many different bases are found in DNA?
Four
Which base does adenine pair with in DNA?
Which base does adenine pair with in DNA?
Thymine
Which base does cytosine pair with in DNA?
Which base does cytosine pair with in DNA?
Guanine
What does the sequence of base pairs in DNA form?
What does the sequence of base pairs in DNA form?
The genetic code
What molecules is starch made from?
What molecules is starch made from?
Glucose molecules
What is the function of cellulose in plants?
What is the function of cellulose in plants?
Forms cell walls and provides support