History of DNA
DNA structure
DNA replication
DNA
Misc.
Mr. Kraemer Factoids
100
Which scientist used xray crystalography to determine the shape of DNA?
Rosalind Franklin
100
What is the name of the enzyme used to build DNA molecules
DNA polymerase
100
Cells must copy their DNA before they do what?
What is divide
100
In eukaryotes, where are the copies of DNA made?
What is the Nucleus
100
What types of bonds hold the sugars and phosphates together?
What are Covalent Bonds
100
What unique pet does Mr. K have
a tortoise
200
Before DNA was discovered to contain our genes, what molecule did scientists think did this job?
Proteins
200
What is the name of the enzyme that goes back through and seals the broken strands back together?
Ligase
200
During what part of the cell cycle is DNA copied?
What is the Synthesis part
200
Who developed the idea of replication?
Who are Watson and Krick
200
______________ bonds between _________________ are broken by DNA helicase
Hydrogen, base pairs
200
What president was serving when Mr. K was born?
George H W Bush
300
What is DNA the code for?
Making proteins
300
Name the 3 parts of the nucleotide
What is Phosphate group, 5-carbon sugar, nitrogenous bases
300
What do you call the origin of replication forming the y-shaped areas?
What is Replication Fork
300
What is the complementary DNA strand of CGTATG?
What is GCATAC
300
What did this photo tell us about the direction of nitrogenous bases?
That they faced inside (towards eachother)
300
Which class period is Mr. K's quietest?
3rd
400
Who won the Nobel prize for discovering DNA?
Watson and Crick
400
DNAs two strands run with this relationship (orientation) to each other.
What is antiparallel
400
What enzyme uncoils DNA so it can be replicated?
What is Helicase
400
Mistakes made in copying are called
Mutations
400
If a mistake is made during DNA replication, would that mistake be copied into another DNA molecule? Why or why not?
Yes, because the next DNA molecule would copy its code in entirety.
400
Turkey or Ham
Ham
500
If there is 30% guanine in a cell, how much cytosine is present?
How much thymine is present?
30%; 20%
500
DNA stands for what?
What is Deoxyribonucleic Acid
500
Where do new DNA strands grow from?
What is the Forks
500
Describe the problem with DNA only being built in one direction (5-3)
What is DNA must be built backwards on the lagging strand.
500
What are the sides of DNA molecules called?
Sugar-phosphate backbone.
500
Which class period is Mr. K's favorite?
sheesh!