Which of the following is one of Chargaff’s
rules?
a. different organisms have different DNA
sequences
b. the DNA molecule is a double helix
c. the two strands in a DNA molecule run in
opposite directions
d. the backbone of a DNA molecule is on the
outside
e. all of these are Chargaff’s rules
A
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1.True 2.False
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What will be an ideal response?
Which of the following cell types, when fully differentiated, does not divide to form new cells?
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