Download Translation March 32, 2009000 *10-3

Translation

Catalyst:
 DNA
is the genetic code. What part of DNA is
the genetic code? Choose an answer and then
explain why the other choices are wrong.
A.
B.
C.
D.
The phosphate-sugar backbone
The sugar
The phosphate
The base sequence
 Convert

this strand of DNA into mRNA.
AGCATCGAGTAA
Agenda
Catalyst Review
 HW Review
 Transcription/Central Dogma Review
 Translation
 Codon Bingo
 ROBBERY MYSTERY!
 Exit Question

Catalyst Review

DNA is the genetic code. What part of DNA is the
genetic code? Choose an answer and then explain
why the other choices are wrong.
A.
B.
C.
D.
The phosphate-sugar backbone
The sugar
The phosphate
The bases
The bases must be the code since they form a sequence
that changes throughout DNA.
Sugar-phosphate backbone holds the DNA’s shape.
Catalyst Review
RNA
loves
U
Complimentary base pairing!
 Except…

AGCATCGAGTAA
 UCGUAGCUCAUU

HW Review
Objectives

By the end of today, SWBAT…
Translate
DNA and mRNA into an
amino acid sequence.
Describe the relationships among
DNA, RNA, proteins, and traits.
USE THE DNA CODE PROVIDED TO MAKE
A COMPLEMENTARY RNA COPY
U C G G A C A U C C G U
A G C C T G T A G G C
A
USE THE DNA CODE PROVIDED TO MAKE
A COMPLEMENTARY RNA COPY
C G U A A G U U C G U A
G C A T T C A A G C
A T
Describe two reasons why this is
TRANSCRIPTION…
Time for Notes…. Get ‘em out!
Translation

Key Point #1:
 Translation
is the process by which the ribosome
reads the mRNA and uses its information to make
protein
mRNA
Protein
The mRNA code

The ribosome reads the mRNA one
codon at a time.
A
codon is a set of three bases.
Every codon contains the information to
make one amino acid.
 Many amino acids make up a protein.

Table of CODONS
From your three letter codon, you can use this table to
figure out what amino acid it is.
Third Letter
Let’s Practice
Codon: UAC
 What is the amino acid?

Tyrosine!
Codon BINGO!!!
What are proteins used for again?


Proteins go on to cause ALL traits. They are
important.
Key Point #3:
If
you change someone’s DNA, that
will change its traits.
Add to the Central Dogma????
a change here…
means a change here
and here
and finally here
DNA
RNA
Protein
(Trait)
OH MAN THERE WAS A ROBBERY



But luckily they have some DNA evidence.
Weirdly, they asked me to get my Biology class to
solve it!
Make sure you make a sketch of the suspect! That
jerk!
Exit Question


Convert this strand of DNA to an
amino acid sequence.
AAACAAGCACCC
If you change someone’s DNA,
their traits will change. Explain
why this is true.