Identify the bacteria cell type and appearance in Griffith's experiment that were virulent and killed the mice
What are the pneumonia S cells (smooth cells)?
100
Area where the DNA splits
What is a replication fork?
100
Means to "cause a disease"
virulent
100
Adenine always bonds with __________
What is thymine?
200
Type of bond found between the bases
What is a hydrogen bond?
200
In the Hershey-Chase experiment, this was used to tear the Sulfure-labeled phages off the surfaces of the bacteria.
What is a blender?
200
This enzyme is used to break the hydrogen bonds in DNA
What is helicase?
200
Process by which DNA is copied in a cell before a cell divides by mitosis, meiosis or binary fission
What is DNA replication
200
A change in the nucleotide sequence of a DNA molecule
What is a mutation?
300
These are the two nitrogenous bases that are purines
What is adenine and guanine
300
Avery's experiment showed that this material contains hereditary information.
What is DNA?
300
How does DNA reduce replication time?
What is DNA replication is accomplished in multiply replication forks. These sections reduce replication time from 33 days to 8 hours on a single chromosome
300
This rule states that the structure and size of the nitrogen bases allows for only 2 combination pairs
What is/are base-pairing rules
300
Radioisotope used to mark DNA in the Hershey-Chase experiment
What is phosphorus-32?
400
Complement strand of T-G-A-C-A-T-G-C-G
What is A-C-T-G-T-A-C-G-C
400
What substance was used to kill protein in Avery's experiment?
What is a protein-destroying enzyme?
400
At the replication fork, this enzyme adds bases to the separate DNA strands and also proofreads the sequence
What is DNA polymerase
400
Type of transfer of genetic material from one cell to another cell (or from one organism to another organism_
What is transformation
400
Areas where the double helix separates before DNA copies itself
What are replication forks
500
Rosalind Franklin help discover the structure of DNA with this important contribution
What are X-ray diffraction photographs of DNA crystals OR
What is crystallography
500
The first experiments that correctly indentified the molecule that carries genetic infomration were performed by
who is Oswald Avery
500
Wheat nitrogen base percent of Adenine is ~28%. What would the % of the base Cytosine be?
What is 22%
500
Virus that infects bacteria
What is a bacteriophage?
500
This biochemist working at Columbia Univ reported that the amount of adenine always equaled the amount of thymine.