Welcome to the Quiz!

This quiz contains 17 questions from a mix of 1 subtopics.

Nucleic acids are made up of monomers known as .

nucleotides

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1

Which type of sugar do nucleotides contain?

hexose

triose

tetrose

pentose

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1

Name the three components of a nucleotide.

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3

Are polynucleotides broken down via hydrolysis or condensation reactions?

hydrolysis

condensation

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1

Nucleotides join together via bonds.

phosphodiester

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1

Which of the following nucleotide parts are involved in a phosphodiester bond?

(Select all that apply)

sugar 

nitrogenous base

phosphate

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2

Which pentose sugar do DNA nucleotides contain?

ribose

deoxyribose

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1

DNA nucleotides may contain the bases adenine, thymine, cytosine or .

guanine

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1

How many strands does a DNA molecule contain?

1

2

3

4

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1

Which of the following nitrogenous bases are classed as purines?

(Select all that apply)

guanine

adenine

cytosine

thymine

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2

In complementary base pairing, adenine always pairs with , whilst guanine always pairs with .

thymine
cytosine

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2

Which of the following chemical bonds form between complementary base pairs?

(Select all that apply)

ester

hydrogen

peptide

phosphodiester

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1

Which of the following nitrogenous bases do RNA nucleotides contain?

(Select all that apply)

thymine

uracil

guanine

adenine

cytosine

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4

RNA nucleotides contain the sugar .

ribose

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1

Which nucleic acid is single stranded?

DNA

RNA

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1

True or False? RNA molecules are longer than DNA molecules.

true

false

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1

Give one similarity and one difference between DNA and RNA.

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2