Protein Synthesis

A brief overviewA brief overview Purpose?Purpose? Key Players?Key Players? Where does it occur? Where does it occur? How does it work?How does it work? WHY?WHY?

Protein SynthesisProtein Synthesis

Purpose?Purpose? Synthesize – Synthesize –

Protein Synthesis –Protein Synthesis –

Protein is a chain of amino Protein is a chain of amino acidsacids

Key Players?Key Players? DNADNA……

(ex: ATGCCGTAATACGGG)(ex: ATGCCGTAATACGGG)

Four types of Four types of nucleotides:nucleotides:

adenine (A)adenine (A)guanine (G)guanine (G)cytosine (C)cytosine (C)thymine (T)thymine (T)

Similarities to DNASimilarities to DNA

Differences from DNADifferences from DNA

RNARNA

Types of RNATypes of RNAMessenger RNA (mRNA)Messenger RNA (mRNA)

-”message carrier”-”message carrier”

Types of RNATypes of RNARibosomal RNA (rRNA)Ribosomal RNA (rRNA)-(workbench)(workbench)-““reading” RNAreading” RNA

Types of RNATypes of RNATransfer RNA (tRNA)Transfer RNA (tRNA)-transfers a.a.- reusable

Where does it occur? Where does it occur? How does it work?How does it work?NucleusNucleus

1.Transcription1.Transcription

CytoplasmCytoplasm2.Translation2.Translation

ribosome

mRNA

•Write the central dogma Write the central dogma of protein synthesis:of protein synthesis:

•Protein Synthesis Video•Protein Synthesis Video2

Quick WriteQuick WriteWrite the steps of protein Write the steps of protein

synthesis and explain the roles synthesis and explain the roles of DNA, tRNA, mRNA and of DNA, tRNA, mRNA and rRNA have in the processrRNA have in the process