1
Q
What is the structure of DNA
A
DNA is:
- two strands coiled up together to resemble a twisted ladder called a double helix
- each strand is made of phosphate and sugar
- strands also contain rungs on the inside which are made up of complementary bases and hold the strands together
2
Q
How does the structure of DNA help it carry out its function?
A
- it can coil up and be able to store lots of information
- allows genes to be carried from parent to child
3
Q
Which rungs go together?
A
Adenine and thymine
Cytosine and guanine
Biology
flashcards
Decks in class (32)
# Cards
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Topic 4 - Classification16
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Topic 4 - Evolution8
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Topic 4 - Selective Breeding4
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Topic 4 - Genetic Engineering7
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Topic 4 - Evidence for human evolution4
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Topic 1 - animal/plant/bacteria cells11
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Topic 1 - Specialised Animal Cells2
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Topic 1 - Fertilisation4
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Topic 1 - Light Vs Electron Microscopes4
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Topic 1 - Enzyme Reactions- Lock And Key Hypothesis4
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Topic 1 - The Effects On Enzyme Activity4
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Topic 1 - Digestive Enzymes3
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Topic 1 - Food Calorimetry4
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Topic 1 - Diffusion, Osmosis And Active Transport6
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Topic 2 - Mitosis And The Cell Cycle8
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Topic 2 - Growth And Differentiation5
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Topic 2 - Stem Cells9
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Topic 2 - Nervous System9
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Topic 2 - The Synapse8
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Topic 2 - Structure of the eye8
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Topic 2 - Structure Of The Brain7
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Topic 3 - Sexual And Asexual Reproduction6
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Topic 3 - Meiosis And Genetic Variation12
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Topic 3 - DNA Structure3
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Topic 3 - Mutations9
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Topic 3 - Alleles5
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Topic 3 - Variation10
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Topic 3 - Human Genome Project3
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Topic 7 - Homeostasis7
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Thyroxine10
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Adrenaline2
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Mestrual Hormones5
