Download Protein Synthesis

Warm-Up
Answer the following questions, and explain in a
complete sentence why each answer is correct.
In which organelle is DNA found?
DNA is found in the…
What is the process of copying DNA called?
The process of copying DNA is called…
Name
Date
Period
In which organelle is DNA found?
1.
2.
3.
4.
Mitochondria
Nucleus
Cytoplasm
Plasma membrane
What is the process of copying DNA called?
1.
2.
3.
4.
Transcription
Transport
Hydrolysis
Replication
Yesterday’s Picture
UNIT
7
Protein Synthesis
UNIT
7
UNIT
Protein Synthesis
7
• Proteins are made by the ribosome
with instructions from DNA.
ribosome
instructions
DNA
protein
UNIT
Protein Synthesis
7
• Proteins are made by the ribosome
with instructions from DNA.
• The instructions are called RNA.
ribosome
DNA
RNA
protein
Protein Synthesis
• Proteins are made by the ribosome
with instructions from DNA.
name of
process
organelle
DNA
• The instructions are called RNA.
• Transcription: process of DNA code
(double-stranded) making RNA code
(single-stranded).
nucleus
RNA
Protein Synthesis
• Proteins are made by the ribosome
with instructions from DNA.
name of
process
organelle
DNA
• The instructions are called RNA.
• Transcription: process of DNA code
(double-stranded) making RNA code
(single-stranded).
nucleus
RNA
ribosome
• Translation: process of RNA code
making proteins.
protein
Protein Synthesis
• DNA to RNA: A pairs with U
T pairs with A
G pairs with C
C pairs with G
DNA: TAC CCC CGA CGC CAG ATG ATT GAG CTA
RNA: AUG GGG GCU GCG GUC UAC UAA CUC GAU
UNIT
7
Protein Synthesis
RNA
Amino acid
AUG
Met
AAG
Lys
GGG
Gly
GCG
Ala
GCU
Ala
GAU
Asp
GUC
Val
CCC
Pro
CUC
Leu
DNA: TAC CCC CGA CGC CAG ATG ATT GAG CTA
CCA
Pro
RNA: AUG GGG GCU GCG GUC UAC UAA CUC GAU
UUC
Phe
UAC
Tyr
protein: Met Gly Ala Ala Val Tyr Sto Leu Asp
UAA
Sto
UGC
Cys
• DNA to RNA: A pairs with U
T pairs with A
G pairs with C
C pairs with G
• RNA to protein: every 3 bases code for
an amino acid.
Your Turn
• Transcribe this DNA sequence into
RNA, then translate the sequence
into protein.
DNA: TAC GGA GAC GGA AGC AAT TTA TGT TCA CCA CTA CCG
• When finished, work on the protein from
yesterday while I come around to check.
UNIT
7
UNIT
Let’s Build a Protein
Staple each ring to another, making a
long protein “paper” chain.
In between each amino acid, write
PEPTIDE.
AMINO ACID
AMINO ACID
AMINO ACID
Label 15 strips of construction paper.
• One side MONOMER
• The other side AMINO ACID
• Staple each paper to form a ring
7
Closure
Answer the following question in a complete
sentence:
Do you think an organism could
survive without RNA? Why or why
not?
I think an organism ________
survive without RNA because…
Name
Date
Period
Scale
from 1-10