Q686
The common form of DNA present in the living organisms is the
A.
A form
B.
Z form
C.
C form
D.
B form
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
The common form of DNA present in living organisms is the B form.The most common form, present in most DNA at neutral pH and physiological salt concentrations, is B-form. That is the classic, right-handed double helical structure.
Canonical B-DNA is a double helix made of two antiparallel strands that are held together via hydrogen bonding in the A•T and G•C base pairs.