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32 votes
32 votes
HELP PLEASE!

What part of the nucleotide extends
towards the middle of the molecule and
makes up the "rungs" of the ladder?
A. 5-carbon sugar
B. phosphate group
C. nitrogenous base

User Norbekoff
by
2.9k points

2 Answers

11 votes
11 votes

Answer:

c

Step-by-step explanation:

User Rssfrncs
by
2.8k points
11 votes
11 votes

Answer:

C

Step-by-step explanation:

The 5'end of the molecule is where the phosphate group is attached to the fifth carbon of the deoxyribose sugar. The 3'end is where the phosphate group is attached to 3rd carbon atom of the deoxyribose sugar.the rungs of the ladder are the complementary base pairs joined by hydrogen bonds.

anything that is a base make up the "rungs" of the ladder

User Steve Wills
by
3.0k points