AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

DNA MAKES RNA MAKES PROTEIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The cellular process of creating two new DNA molecules from one original copy is called replication. Which statement is the BEST description of this process?
A
DNA opens up and RNA copies it.
B
DNA opens up and completely unwinds to make two new molecules.
C
DNA opens up and each strand is used as a template for a new strand.
D
RNA opens up the DNA and uses each strands as a template for a new strand.
Explanation: 

Detailed explanation-1: -Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell.

Detailed explanation-2: -DNA replication is the process by which the genome’s DNA is copied in cells. Before a cell divides, it must first copy (or replicate) its entire genome so that each resulting daughter cell ends up with its own complete genome.

Detailed explanation-3: -DNA replication is the process by which DNA makes a copy of itself during cell division.

Detailed explanation-4: -During replication, these strands are separated. Each strand of the original DNA molecule then serves as a template for the production of its counterpart, a process referred to as semiconservative replication.

Detailed explanation-5: -Replication produces two identical DNA double helices, each with one new and one old strand.

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