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PROTEIN
SYNTHESIS
Review
Cell organelle where ribosome
______________
proteins are made
Replication
Copying DNA _________________
G roup of 3 nucleotides
in an m-RNA molecule
that are read together
_____________
codon
Name the nitrogen bases found in DNA
Adenine, guanine, cytosine, thymine
The genetic code is read in groups of
three called a ___________
codon
DNA 
RNA
transcription
Hairpin shaped RNA that
t-RNA
adds in the correct amino acid__________________
to a protein chain
Sequence of 3 nucleotides on
the end of a t-RNA molecule
anticodon
that matches the codon _________________
RNA that carries the
code from the DNA to the
ribosomes
m-RNA
In a DNA molecule G always hydrogen
C
bonds with _____
Where does Transcription happen?
In the nucleus (its DNA  RNA)
Where does translation happen?
On ribosomes its (RNA  proteins)
Using information in an
translation
RNA molecule to make proteins ___________
Passing information from DNA
transcription
to an RNA molecule_________________
Kind of RNA that combines
r-RNA
with proteins to make ribosomes___________
Nitrogen base that is NOT found in RNA
thymine
Sugar found in DNA
deoxyribose
In a DNA molecule A always hydrogen
T
bonds with ____
Name the 5 nitrogen bases found in
nucleic acids
Adenine, guanine, cytosine, thymine,
and uracil
This molecule is a
t-RNA
_____________
RNA or DNA
Give an example of a nucleic acid _______________
Subunit with an amino and a
Amino
carboxy group used to make proteins ___________
acid
Molecules like (A,T,C,or G) that
form the steps of the DNA ladder _______________
Nitrogen bases
What does DNA stand for?
Deoxyribonucleic acid
What does the t in t-RNA stand for?
transfer
Give the matching DNA sequence for:
A T C G C A
T A G C G T
Molecule made of a phosphate, sugar, and a
nitrogen base that is used to make
nucleotide
nucleic acids ______________
Sugar used to make RNA ________________
ribose
Sugar used to make DNA _________________
deoxyribose
MATCH THE RNA WITH ITS JOB:
Carries info from
m-RNA
DNA out to ribosome ____________
Adds in the correct amino
acid by matching the codon ___________
t-RNA
Joins with proteins to
r-RNA
make ribosomes
_______________
“Twisted ladder” shape of
a DNA molecule ______________
Double helix
Molecules made of nucleotide
Nucleic acid
subunits like RNA and DNA ______________
________________
Amino acid
RNA 
proteins
translation
Nitrogen base NOT FOUND IN DNA
uracil
Sugar found in RNA
ribose
What does the m in m-RNA stand for?
messenger
An anticodon would be found on a
_____________
molecule.
t-RNA
Use this DNA code to make an RNA:
A T C G C A
U A G C G U
What does RNA stand for?
Ribonucleic acid
What does the r in r-RNA stand for?
ribosomal
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Tell 3 ways DNA is different from RNA.
DNA
RNA
Double stranded
Single stranded
A,T,G,C… no U
A,G,C,U…no T
deoxyribose sugar
ribose sugar
Stays in nucleus
leaves nucleus to
go to cytoplasm
Carries gene code
Passes info from
DNA to proteins