CELL STRUCTURES AND FUNCTION
CELL CYCLE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What kinds of molecules make up the rungs of the DNA molecule?
|
|
sugars
|
|
|
nitrogen bases
|
|
|
starches
|
|
|
phosphates
|
Explanation:
Detailed explanation-1: -Molecules called nucleotides, on opposite strands of the DNA double helix, that form chemical bonds with one another. These chemical bonds act like rungs in a ladder and help hold the two strands of DNA together. There are four nucleotides, or bases, in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T).
There is 1 question to complete.