translation catalyst: dna is the genetic code. what part of dna is the genetic code? choose an...
TRANSCRIPT
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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. The phosphate-sugar backboneB. The sugarC. The phosphateD. The base sequence
Convert this strand of DNA into mRNA. AGCATCGAGTAA
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Agenda
Catalyst Review HW Review Transcription/Central Dogma
Review Translation Codon Bingo ROBBERY MYSTERY! Exit Question
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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. The phosphate-sugar backboneB. The sugarC. The phosphateD. 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.
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Catalyst Review
Complimentary base pairing! Except…
AGCATCGAGTAA UCGUAGCUCAUU
RNAloves
U
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HW Review
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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.
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USE THE DNA CODE PROVIDED TO MAKE A COMPLEMENTARY RNA COPY
U C G
A G C C T G T A G G C A
G A C A U C C G U
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USE THE DNA CODE PROVIDED TO MAKE A COMPLEMENTARY RNA COPY
C G U
G C A T T C A A G C A T
A A G U U C G U A
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Describe two reasons why this is TRANSCRIPTION…
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Time for Notes…. Get ‘em out!
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Translation
Key Point #1: Translation is the process by which the
ribosome reads the mRNA and uses its information to make protein
Protein
mRNA
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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.
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Table of CODONST
hird
Le
tter
From your three letter codon, you can use this table to figure out what amino acid it is.
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Let’s Practice
Codon: UACWhat is the amino acid?
Tyrosine!
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Codon BINGO!!!
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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.
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Add to the Central Dogma????
DNA
RNA
Protein
(Trait)
a change here…
means a change here
and here
and finally here
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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!
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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.