1. What makes one DNA molecule different from another?
Biology · Middle School · Thu Jan 21 2021
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The part of a nucleotide that can make it different from others is called the base . The four DNA bases are adenine, thymine, cytosine and guanine. These base names are abbreviated to A, T, C and G. Nucleotides are linked together to form strands.
There are three different DNA types:
- A-DNA: It is a right-handed double helix similar to the B-DNA form.
- B-DNA: This is the most common DNA conformation and is a right-handed helix. .
- Z-DNA: Z-DNA is a left-handed DNA where the double helix winds to the left in a zig-zag pattern.