WorksheetsThe structure of DNA | Exit Quiz | Oak National Academy
Total questions: 6
Worksheet time: 6mins
In plant and animal cells, the genome is stored in the ...
(a)
DNA is a nucleic acid polymer. How many nucleic acid strands make up each DNA molecule?
one
two
four
eight
Put these in size order, starting with the smallest.
nucleotide
nucleic acid
DNA molecule
nucleus
The photograph shows a model of part of a DNA molecule. It is made from liquorice and jelly babies. What would improve the model?
Add more than four colours of jelly baby.
Add more than two liquorice sticks.
Twist the model to form a helix.
Bend the model into a square.
Scientists often use models such as the DNA models you have studied. Why?
Models are exact copies of things such as DNA.
Models always contain a lot of details.
Models are always much larger than the things they represent.
Models help to explain things that are difficult to see or understand.
Match the word to its meaning.
a polymer made of four nucleotides, which make up the genetic code
DNA
a chemical made from many smaller chemical groups
polymer
a polymer made up of nucleotides, an example is DNA
nucleic acid
the building blocks for nucleic acids and DNA
nucleotide
