Science, asked by iqraabbas5432, 12 hours ago

sugar phosphate backbone make up the ____ of the ladder (DNA)
a. Anterior rung
b. uprights
c. posterior rung
d. Both upright & rungs

Answers

Answered by simmikhera73

0

Answer:

d both up and down rungs

Explanation:

the ladder base is made up of thhe sugar phosphate backbone with purine and prydamine bases which form hydrogen bonds as rugs of ladder

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