Download RNA and Central Dogma

Science Starter #5 – 11/28/16
 What two enzymes are associated with
DNA replication and what are their
roles?
 TURN IN OODLES OF DNA LAB
BEFORE THE BELL RINGS
Notes 5.3 - RNA and Central Dogma
Chapter 10 pp. 204-210
RNA Structure
 RNA (Ribonucleic Acid): an intermediate between
DNA and proteins
 Monomer: Nucleotide Polymer: Nucleic Acid
 Sugar: ribose
 Backbone: sugar+phosphate
 Uses uracil instead of thymine
 What will “U” bind with in RNA?
 Single stranded
RNA Nitrogenous Bases
 PURINE
 PYRIMIDINE
 Adenine
 Uracil
 Guanine
 Cytosine
CUT
CUT
CUT
CUT
Types of RNA
 Messenger RNA (mRNA): single strand of
RNA that carries information from DNA to
ribosome
 Ribosomal RNA (rRNA): RNA that is part of
a ribosome
 Transfer RNA (tRNA): transfers amino acids
to the ribosome to make a protein
Central Dogma
 Central dogma of molecular biology
describes the flow of genetic
information within an organism
 In other words: DNA makes RNA makes
PROTEIN
 Protein Synthesis: forming proteins based on information
in DNA and carried out by RNA
 Transcription: DNA acts as the template for RNA synthesis
 Make RNA using DNA
 Translation: RNA directs the assembly of a protein
 Make protein using RNA