Do you know how DNA is connected?
The Structure and Function of DNA Quiz
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Question 1 of 13Question 1
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A is a small section of DNA on a chromosome. Each codes for a particular sequence of , to make a specific .
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Question 2 of 13Question 2
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Base pairs of DNA are joined by weak bonds.
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Question 3 of 13Question 3
DNA can be extracted from fruit. Put the following steps in order from start to finish.
- Gently stir the mixture in the beaker for 30 seconds
- Wait for one minute and then observe the DNA from the side of the test tube
- Pour 10cm³ of the filtrate into a test tube and slowly add 5cm³ of ethanol
- Add the mashed strawberries to a beaker containing 100cm³ of water, 3g of salt and 10cm³ of washing up liquid
- filter the mixture using filter paper and a funnel
- Take 50g of strawberries and mash them using a pestle and mortar
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Question 4 of 13Question 4
DNA is a genetic code which gives instructions to which sub-cellular structure in order to make specific proteins?
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Question 5 of 13Question 5
DNA molecules are very long and coiled up into which structures?
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Question 6 of 13Question 6
Mitosis, meiosis, 2, 4, different, identical, haploid, diploid, gametes
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During there are daughter cells produced. These are known as and they are genetically . The daughter cells are meaning they only contain half of the genes found in a typical human cell.
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Question 7 of 13Question 7
In which sub-cellular structure is DNA found?
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Question 8 of 13Question 8
Drag and drop to match the base pairs which form DNA
- T
- G
- A
- C
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Question 9 of 13Question 9
Strands of DNA are connected by pairs of substances called ….
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Question 10 of 13Question 10
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- The complimentary base pairs which join the two strands of DNA are attached at opposite ends to a and each one is attached to a group.
- Each group is in turn, attached to another creating a chain of monomers known as a .
- These two substances form the backbone of DNA.
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Question 11 of 13Question 11
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DNA has a particularly distinctive shape, known as a double since it is made up of separate strands.
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Question 12 of 13Question 12
When extracting DNA from fruit, each step/ingredient has its own role. Drag and drop to match the descriptions to the roles of these steps/ingredients.
- Detergent
- Pestle and mortar
- Salt
- Alcohol/ethanol
- Breaks down the cell's membranes
- Breaks down the cell wall
- Clumps the DNA
- Precipitates the DNA out of solution
CorrectIncorrectWashing-up liquid is one type of detergent
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Question 13 of 13Question 13
Which term do we use to describe the entire DNA of an individual?
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