Cracking the Code of Life,
PBS Nova
1.
Journey into DNA (Flash demonstration)
http://www.pbs.org/wgbh/nova/genome/dna.html#
Carefully step through this Flash
demonstration and search for the following information:
a.
The human body consists of approximately _______________cells.
b.
The human genome consists of approximately _____________genes.
c.
The 46 chromosomes in each cellŐs nucleus is approximately
_____feet long.
d.
What are histones?
e.
The first scientists to make an accurate model of DNA were
__________and _________________
f.
List the four nitrogen bases in DNA and mention how they pair
up.
g.
What two molecules
make up the sides or runners of the DNA ladder?
h.
A nucleotide is made up of approximately ____________atoms.
i.
The number of bases in the Human Genome is approximately ___________
2. Watch the
Program
http://www.pbs.org/wgbh/nova/genome/program.html
Pick the initial sequence, The Instructions for a Human Being, and write a summary
(100-150 word paragraph) of this 9:00 minute video clip.
Choose any two of the remaining 15 sequences and write a summary paragraph about each. Be sure to include the title of the clips you choose.