Rosalind Franklin used this technique to determine many of the physical characteristics of DNA.
What is x-ray diffraction?
100
The relationship between strands of RNA and DNA are considered this.
What is complimentary?
100
When cells are not responding to normal controls over growth and division, they form a tissue mass known as this.
What is a tumor?
100
This process is absolutely necessary for asexual cellular reproduction to occur in eukaryotes.
What is mitosis?
200
This person's experiment demonstrated that harmless bacteria can become transformed into disease-causing bacteria by a transformation factor.
Who is Fred Griffith?
200
Each DNA strand has a backbone consisting of alternating _________.
What are sugar and phosphate molecules?
200
This kind of mutation may involve addition or deletion of one or more base pairs.
What is frameshift?
200
The removal of a breast, all lymph nodes under the arm, and skeletal muscles in the chest wall under the breast is known as this.
What is a radical mastectomy?
200
Chromosomes and genes are replicated during ____.
What is interphase?
300
The experiments of these two researchers clearly distinguished DNA and not protein as the hereditary material.
Who are Hersey and Chase?
300
In the spiral staircase model of DNA, the rungs are ____.
What are nucleotide base pairs?
300
In transcription, RNA polymerase binds to this in the DNA near a gene, and then assembles a strand of RNA.
What is a promoter?
300
These cells have altered plasma membranes, have a lessened ability to attach to other cells, divide to produce high densities of cells, and show an amplified reliance on glycolysis.
What is cancer?
300
Mitosis comes from the Greek work "mitos" which means ___.
What is thread?
400
These two constructed an accurate model of the DNA molecule illustrating its structural simplicity.
Who are James Watson and Francis Crick?
400
DNA polymerase assembles new strands in this direction.
What is 5' to 3'?
400
Each tRNA has one of these that base-pairs with a codon, and each binds to the kind of amino acid specified by the codon.
What is an anticodon?
400
The most common type of skin cancer.
What is basal cell carcinoma?
400
The chromosomes are aligned at the spindle equator during this phase.
What is metaphase?
500
This scientist discovered the basis for the base-pair rule, which states that the amount of adenine and thymine match, as do the amounts of cytosine and guanine.
Who is Chargaff?
500
DNA is replicated by a process called _____.
What is semiconservative replication?
500
Mutations may arise by replication, exposure to environmental hazards, or this kind of activity.
What is transposable element?
500
These cells are unique and important for research because they are immortal cells and will grow in culture.