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Answer:
MODEL OF DNA
1) Colour the individual structures as follows:
Adenine (A) = red
Thymine (T) = green
Guanine (G) = blue
Cytosine (C) = yellow
Phosphate (P) = brown
Deoxyribose (D) = purple
2) Cut out each structure.
3) Using the small symbols (squares, circles and stars) on the structures as
guides, line up the bases, phosphates and sugars.
A G G C A T G T
4) Tape or glue the appropriate parts together to form nucleotides, as shown
in the model below. Construct the left side of your DNA molecule by putting
the following nucleotides in this sequence :
5) Tape or glue all nucleotides together to form a strand. You may have
pieces left over.
6) Complete the other side of the DNA ladder out of complementary
nucleotides. (YOU SHOULD BE ABLE TO FIGURE OUT WHAT THE ORDER IS,
BASED ON THE INFORMATION I HAVE GIVEN YOU!)
NOTE : DNA is antiparallel, therefore the strands should run in
opposite directions to one another! (YOU’LL NOTICE THAT IT’S ALSO
THE ONLY WAY EVERYTHING ‘FITS’ TOGETHER!)
7) Tape or glue both strands together. Your model should resemble a
ladder.
NOTE : In reality, humans have about 3 billion base pairs.