DNA Structure
What shape does DNA have?
Double helix
Where is transcription taking place?
the nucleus
In translation, where is mrna moving to?
The cytoplasm towards the ribosomes
A change in DNA
What is the end result of DNA replication? tell me if they are identical or not
2 identical DNA
Name the DNA nitrogen bases (full name)
Adenine
Thymine
Cytosine
Guanine
Transcribe the following DNA:
A T G C G T A A C
U A C G C A U U C
How does mRNA attach to a ribosome
rRNA
What are the 2 types of mutations?
Point mutation
frameshift mutation
What enzyme unzip and unwinds
helicase
Included a phosphate, 5-carbon sugar, and a nitrogen base
What are we creating when we transcribe and why
mRNA because DNA can not leave the nucleus
what is mRNA translated
amino acid
What kind of mutation is the following? Is it harmful?
Normal: AUG CUG UGG
Mutated: AUG CUG G
Deletion, yes
What does DNA polymerase do?
Adds complimentary bases
What makes up the backbone of the DNA?
Phosphate and sugar
What is the central dogma
DNA->protein-> trait
Translate the following DNA:
TAC CAT GAT
Met, Val, Leu
What kind of mutation is the following and is it harmful?
Normal: AUG CGG UUG
Mutated:AUG CGA GUU G
Insertion, yes
What bonds are between the bases?
Hydrogen bonds
If there is 35% thymine in DNA, then how much glycine and uracil is there?
15% glycine
0% uracil
What does RNA polymerase do?
synthesizes a new strand by adding nucleotides
What carries the correct amino acid based on the mRNA and has an anticodon
Normal: AUG CGG GGC
Mutated: AUG CAG GGC
No, goes from arg to gln
What part of the cell cycle is DNA replication taking place?
S phase