Multiple Choice
In the context of DNA structure, DNA is classified as which type of biological macromolecule?
15
views
7. DNA and Chromosome Structure
DNA Structure
Struggling with Genetics?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
DNA carries which overall electrical charge under physiological conditions, and what structural feature is primarily responsible?
A
Overall neutral charge because base pairing cancels all charges in the helix.
B
Net negative charge due to the phosphate groups in the sugar-phosphate backbone.
C
Net positive charge due to the deoxyribose sugars in the backbone.
D
Net positive charge due to the amino groups on the nitrogenous bases.
Related Videos
Related Practice
