DNA Structure
What is the shape of DNA?
Double Helix
What stage does replication occur during?
Interphase
Which scientist won a Nobel Peace Prize for discovering the shape of DNA?
Watson & Crick
What is a codon?
A set of the three nitrogen bases thatcodes for an amino acid
What are the three types of mutations?
Insertion,Deletion & Substitution
What are the rungs of DNA made out of?
Nitrogen Bases
During replication what happens to the DNA?
It gets copied
What did Chargaff discover?
C=G
A=T
What is mRNA?
messenger RNA; it makes a copy of DNA’s code and carries it out of the nucleus to the ribosome
Effects of mutations?
Minor
Major
No
What are the handlebars of DNA made out of?
Deoxyribose Sugar/Phosphates
Write the complementary DNA strand:
ATT
TAA
What did Rosalind Franklin do?
She took the first photo of the DNA molecule using x-ray diffraction.
Write the complementary mRNA strand for the DNA strand:
ATT
UAA
AAC GGG CCC
AAG GGG CCC
Substitution
If a DNA molecule contains 25% of Guanine How much Cytosine does it have?
25%
What is the first step of DNA replication?
Cell prepares to divide
What is Watson's first name?
James
Where are proteins made?
In the ribosomes
AAA TTT GGG
AA TTT GGG
Deletion
What are the three things nucleotides consist of?
Sugar,Phosphate, and a Nitrogen Base
Write the complementary DNA strand:
GAC
CTG
What did Rosalind Franklin die of?
She had cancer from the x-rays which had radiation.
Write the complementary mRNA strand for the DNA strand
GGA
CCU
AAA TTT CCC
AAA TTT CCCC
Insertion