How do we know DNA is the genetic material?
Hershey & Chase
How does DNA replicate?
How is DNA organized?
Into chromosomes
How is their DNA structured?
Haploid, Ds, Circular, Supercoiled with Histone-like proteins
How is their DNA structured?
Diploid, Ds, Linear, Supercoiled with histones
Who discovered how DNA pairs together?
Erwin Chargaff
Which direction does the lagging strand replicate?
3'-->5'
What base pair does Guanine always pair with?
Cytosine
Where are the chromosomes?
Nucleoid
Where are the chromosomes?
Nucleus
Who was credited for the double helix structure of DNA and won a Nobel Prize for it?
Watson, Crick, and Wilkens
The short fragments that make's up the lagging strand?
Okazaki fragments
What is a Nucleotide made up of?
Phosphate group, Sugar, and Nitrogenous base
What do bacterial DNA possess that eukaryal does not?
Plasmids
What is the difference between eukaryal histones and bacterial histone-like proteins?
Structure
What scientist helped discover the double helix structure, but wasn't awarded the credit?
Rosalind Franklin
T or F. DNA always replicates in the 5' to 3' direction?
True.
What is a Nucleoside made up of?
Sugar and Nitrogenous base
How does bacterial DNA replicate?
Bidirectional replication
T or F. Eukaryal DNA only have one origin of replication along the chromosome.
F. It has several.
What experiment is depicted in the picture?
Griffith's Transformation Experiment
Within a molecule of DNA, pairs of bases are chemically bonded together by hydrogen bonds. These bonds hold the two strands of the molecule.
Complementary Base Pairs
Complementary base pairs are held together by what bond?
Hydrogen bond
How many origins of replication are along the chromosome?
1, only one origin of replication
What phase of the cell cycle does DNA replication occur?
S phase