The most common type of mutation:
point mutation
The most abundant type of RNA:
rRNA
The experiments of Griffith showed that DNA can be:
Transformed
How many amino acids are there:
20
During mRNA processing which part is cut out
of the pre mRNA:
introns
The sequence of 3 in DNA is called:
triplet
The sequence of 3 in tRNA is called:
anti-codon
The sequence of 3 in mRNA is called:
codon
What site on the large ribosomal subunit holds
the tRNA carrying the next amino acid to be added:
A site
What site on the large ribosomal subunit holds
the tRNA carrying the growing polypeptide:
P site
What site on the large ribosomal subunit is
where tRNA’s leave after they have dropped
off their amino acid:
E site
What is the start codon:
AUG
What does the start codon code for:
methoinine
What enzyme is responsible for unwinding the DNA stand:
helicase
What enzyme is responsible for stabilizing the
single DNA strands:
single
stranded
binding
protein
What enzyme is responsible for correcting overwinding:
Topoisomerase
What enzyme joins the Okazaki fragments: DNA
ligase
In which direction does replication proceed:
5’ to 3’
What enzyme adds the RNA primer to the
leading and lagging strands:
What enzyme removes the primer and replaces
it with DNA nucleotides:
What enzyme adds DNA nucleotides and
elongates the strand:
Primase
DNA
polymerase I
DNA
polymerase III
Adenine always pairs with:
Thymine
Cytosine always pairs with:
Guanine
Purines have how many rings:
2
Pyrimidines have how many rings:
1
A mutation to what region of pre mRNA
would be most damaging:
exon
The enzyme that is used in the repair
of DNA damage:
nuclease
The DNA strands are antiparallel what
does this mean:
Type of chemical bond found between
bases of the DNA double helix:
The Y shaped structure where the DNA is
unwound during DNA replication is called the:
Chain elongation in translation continues
until what happens:
Name 4 parts of the eukaryotic transcription
Initiation complex?
5’ to 3’ one
way & the
opposite the
other way
hydrogen
replication
fork
stop codon
TATA box
Promoter
RNA Polymer
Transc factors