Spot the odd one out (and say why)

1
Spot the odd one out (and say why)
Uracil Thymine Cytosine
Ribose Deoxyribose Thymine
Cytosine Guanine Thymine
Semi-conservative Dispersive Conservative
2
What is the difference between deoxyribose and
ribose? What type of spiral is DNA? How many
bases are there to each turn of the DNA
molecule? What three forms of evidence were used
to derive the structure of DNA? How many
nucleotides (on average) does it take to make a
human chromosome set? What are chromosomes made
of as well as DNA?
3
DNA Replication
4
DNA Replication
Meselson and Stahl Grew microbes in 15N growth
medium Then repeatedly on 14N growth medium DNA
was extracted and separated by centrifugation
5
DNA Replication