AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

STRUCTURE OF NUCLEIC ACIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What unique ability does DNA have because it is double-stranded?
A
it serves as genetic material in all viruses
B
it can serve as a template for its own copying
C
it can move around the cells
D
none of the choices
Explanation: 

Detailed explanation-1: -Question 17 (5 points) Lsten What unique ability does DNA have because it is double-stranded? it can serve as & template for its own copying it serves 48 genetic material in all vinses DNA does not hare any unique ability ofit being double stranded. it can move around the cells.

Detailed explanation-2: -DNA’s unique structure enables the molecule to copy itself during cell division. When a cell prepares to divide, the DNA helix splits down the middle and becomes two single strands. These single strands serve as templates for building two new, double-stranded DNA molecules-each a replica of the original DNA molecule.

Detailed explanation-3: -DNA is double-stranded to help enhance stability. In contrast, RNA can afford to be less stable and is easily degraded, partially due to its single-stranded structure. Another key difference between DNA and RNA is the sugar component of the nucleic acid backbone.

Detailed explanation-4: -Duplex DNA naturally folds into a right-handed double helix in physiological conditions. Some sequences of unusual base composition may nevertheless form alternative structures, as was shown for many repeated sequences in vitro.

Detailed explanation-5: -Most DNA molecules have two strands that are bound together by non-covalent (hydrogen) bonds.

There is 1 question to complete.