Give a brief answer for each of the following:
What is central dogma ?

Explanation

**Step-by-Step Solution:**

1. **Definition of Central Dogma**: The central dogma of molecular biology is a framework that describes the flow of genetic information within a biological system. It explains how DNA is transcribed into RNA, which is then translated into proteins.

2. **Components of the Central Dogma**:
- **DNA Replication**: The process by which DNA makes a copy of itself before cell division.
- **Transcription**: The process where a specific segment of DNA is copied into messenger RNA (mRNA) by the enzyme RNA polymerase.
- **Translation**: The process where the mRNA is decoded by ribosomes to synthesize proteins, which perform various functions in the cell.
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