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Cell division
Experiments
Bacteria
vs. Virus
Properties of DNA
DNA Replication
100
What is the result of cytokinesis?
2 newly created cells
100
Credited with determination of DNA structure. Used others' ideas as well as theirs.
Watson & Crick
100
[T/F] Both bacteria and virus are living things. Explain your answer
False Bacteria - prokaryote Virus - needs a host to reproduce
100
What are the five nucleotides?
Adenine, Thymine, Uracil, Guanine, Cytosine
100
What enzyme unzips DNA sequence?
Helicase
200
What do mitosis and meiosis result in and describe the outcome.
Mitosis - Two diploid(2n) cells Meiosis - Four haploid(4n) cells
200
This scientist took a picture of DNA molecule by x-ray crystallography and contributed to figuring out double helical structure.
Rosalind Franklin
200
Explain a reverse transcriptase and give an example
Found in retrovirus. This enzyme allows them to make DNA from RNA and reproduce more of themselves. HIV virus
200
DNA strand always start from #' to #'
3' to 5'
200
What is difference between leading strand and lagging strand?
Leading strand - go into the replication fork Lagging strand - go away from the replication fork; okazaki fragments
300
What does the prophase 1 create that is very important to our nature?
Genetic diversity (Crossing over)
300
Messelson & Stahl figured that DNA is ( half new and half old )
Semi-conservative
300
What is this process? : Incorporating a gene/plasmid from surrounding to its DNA to create diversity
Transformation
300
What is the bond between two nucleotide?
Hydrogen bond
300
What enzyme join the okazaki fragments?
Ligase
400
What are the three parts of interphase?
G1 –unreplicated Chromosome, growth S- Replicated(DNA synthesis) , growth G2 – Growth, preparation for cell division
400
Determined DNA is genetic material that can be passed down to new generation.
Hershey & Chase
400
Usefulness of bacteria in medicine?
Insuline, antibody, bacterial vaccines...
400
What do anti parallel structure of DNA dictates?
Replication, protein synthesis
400
[T/F] The new DNA strand will always be 5' -> 3'
True DNA is always 3' -> 5', however, in replication, DNA polymerase cannot add to 5', but 3'. Therefore new strand goes from 5' ->3'
500
In cancer, [ answer ] is messed up allowing cells to grow crazy
Density dependent inhibition
500
This scientist discovered that DNA is involved in transformation, not protein.
Avery
500
Virus is used to transfer DNA in order to make bacteria more diverse. What process is it?
Transduction
500
What are three components of DNA?
Phosphate Deoxyribose sugar nitrogenous base
500
Give 2 functions of DNA polymerase
Elongation Proof read Replacement of RNA primer