entire DNA of
genome : an
organism
section of molecule of DNA that codes for specific protein
gene : a a
nucleus : controls what happens in the cell . Contains DNA
DNA ( aeoxynbo nucleic acid ) :
smallest unit of genetic information .
carry genetic info
chromosomes : found in nucleus .
long string of genes
-
§
DNA structure
phosphate
5¥
I
¥= Adenine in
case:&.ge; mtroaebnagehsanging
Intan .hn : % I
' "
Pairs -
n'
Ionian nucleotide
,
¥ ( monomer )
-
Thymine (T)
-
double helix arrangement
of 2 poly nucleotide chains
•
nucleotides join together to form a long chain called polypeptides
sequence of bases codes for the
sequence of amino acids in a
protein
polymer
RNA vs DNA
t
3 bases code for l amino acid
single stranded genetic code is in triplets
•
"" "
is::::i ::
:* :%: :::O :: .ie::::i"'a'se:*
"
.ie.
.
ACUC 4
bases degenerate
°
:
genetic code is non overlapping ATTGCAGGCGGT
-
i ATT GCAGGCGGT
read in 3s
Proteinsynthesis
I .
transcription
2 . translation
, transcription
makes a copy of DNA called mRNA
•
•
takes place in the nucleus
'
double helix unwinds & hydrogen bonds break
11$
•
sequence on sense strand is used to produce an mRNA molecule
-
RNA polymerase form sugar
-
phosphate bonds between nucleotides
.
complementary base pairing takes place
§ A
-
,
coding mRNA
sense
e
. mRNA detaches from sense strand
.
DNA strands join b Ck together into a double helix
°
mRNA leaves nucleus through a pore in the nuclear membrane into the cytoplasm
•
here , translation takes place
genome : an
organism
section of molecule of DNA that codes for specific protein
gene : a a
nucleus : controls what happens in the cell . Contains DNA
DNA ( aeoxynbo nucleic acid ) :
smallest unit of genetic information .
carry genetic info
chromosomes : found in nucleus .
long string of genes
-
§
DNA structure
phosphate
5¥
I
¥= Adenine in
case:&.ge; mtroaebnagehsanging
Intan .hn : % I
' "
Pairs -
n'
Ionian nucleotide
,
¥ ( monomer )
-
Thymine (T)
-
double helix arrangement
of 2 poly nucleotide chains
•
nucleotides join together to form a long chain called polypeptides
sequence of bases codes for the
sequence of amino acids in a
protein
polymer
RNA vs DNA
t
3 bases code for l amino acid
single stranded genetic code is in triplets
•
"" "
is::::i ::
:* :%: :::O :: .ie::::i"'a'se:*
"
.ie.
.
ACUC 4
bases degenerate
°
:
genetic code is non overlapping ATTGCAGGCGGT
-
i ATT GCAGGCGGT
read in 3s
Proteinsynthesis
I .
transcription
2 . translation
, transcription
makes a copy of DNA called mRNA
•
•
takes place in the nucleus
'
double helix unwinds & hydrogen bonds break
11$
•
sequence on sense strand is used to produce an mRNA molecule
-
RNA polymerase form sugar
-
phosphate bonds between nucleotides
.
complementary base pairing takes place
§ A
-
,
coding mRNA
sense
e
. mRNA detaches from sense strand
.
DNA strands join b Ck together into a double helix
°
mRNA leaves nucleus through a pore in the nuclear membrane into the cytoplasm
•
here , translation takes place
