(seebelow
2. Video of DNA replication
https://www.youtube.com/watch?v=G1AoVF3k9Hg
hwk: read 12.3
TEST on Wednesday
World’s Easiest Practice Quiz – Discovery of DNA, structure
of DNA
1.
What phenomenon did Griffith discover?
2.
What moved from the dead lethal bacteria to the
living harmless bacteria?
3.
Avery determined what the molecule of the gene
is by …
4.
Hershey and Chase __________ Avery’s results.
5.
What is the molecule of the gene (the genetic
chemical)?
6.
What molecule was in contention for, but we now
know is NOT, the molecule of the gene?
7.
DNA must do what 3 things?
8.
Chargaff’s Rule says A & ____ , and G &
____ are always in equal amounts.
9.
A nucleotide consists of a nitrogenous base, a
phosphate group, and ____________.
10. In
DNA, the _________ are held together by ________ bonds.
11. Watson
and Crick determined that the shape of DNA is a …
12. The
shape of DNA, along with base pairing makes it ideal for…
Key:
1.
transformation (harmless bacteria became deadly
because they got the deadly DNA)
2.
the molecule of the gene (DNA)
3.
process of elimination (not carb.s, not lipids,
not protein), by repeating Griffith’s experiment
4.
verified
5.
DNA
6.
Protein (has many more unique monomers, many
more letters to its alphabet)
7.
Store info., copy info., and transmit info.
8.
T, C
9.
Deoxyribose (a 5-C sugrar)
10. Bases,
hydrogen
11. Double
helix
12. Replication/copying
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