PCR And DNA Fingerprinting
Forensics: matching DNa to a suspect (in combination with DNA Fingerprinting
Gene expression of cells
Enzymatic DNa synthesis of DNA can be repreated many time using the polymerase
Overview of Energy
What is energy?
The ability to do WORK.
o Move something
o Lift something
o Warms something
o Light something
o Potential Energy
Stored, waiting to be released
o Kinetic Energy
Energy in motion, movement
Modern Medical Tools
Visualizing the human body
Create images of the human body (or parts) for clinical purposes
Diagnose or examine disease
Perform real-time procedures and surgeries.
Visible human project:
Male and female cadaver
Computers Only Speak Binary
Information stored as binary numbers in bits
o Bit: binary digit
o A big can hold either a 0 or 1
o 8 bits is a byte
Binary #s can be used
o To represent numbers, words, graphics
o For data mani
Microprocessor Fabrication & Memory
A transistor has LAYERS
The mask is used to expose one area and then the wafer is moved beneath the
Many devices are made on the same wafer. In the end, they are cut apart
Introduction to Computers
IBM (international business machines)
Computers are everywhere.
History of Computers
30,000 BCE #s by Europeans counting animal bones, ivory, stone for recording
in 3,000 BCE, Chinese introduced the abacus,
o The body shuts down but is still alive
Why is there interest in this?
When the living appear dead
Cases where people died and came back alive.
How long can a human go without food?
Superhydrophobicity & Self Assembly
Water drop on glass-more spread out
Water drop on wax-less
Why the difference?
<90 wetting, good for coating
>90 non-wetting, good to keep surfaces clean
intermolecular Forces in Water
What is a stem cell?
Generic name refers to an unspecialized cell that can renew itself indefinitely and
develop into more mature, specialized cell.
Found in embryos
Scientists are especially interested in embryoninc stem cell
Homework 1: Tipics are assigned alphabetically by last name.
m-pa: Wind Power
using the bweb fof science, identify peer-reviewed Review Article) that is related to your
topic. My rticle must have been ublished in 2010-11. And c
From last class: Concentrates solar.(CSP) sun bounces off mirrors into on epoint and
piped to then make electricity. Renewable.
Amount of solar energy reaching the earth is 10,000 times the amount used by
Flow of electrons
o Flow from negative to positive
Volume of electron flow (flowrate)
Impedes the flow of electricity
What does a light bulb pro
Clicker: intestinal lining will regrow when damaged.
Clicker: Liver will regenerate if over half of its removed
Sign in sheet: banjo
o Wont re grow itself when damaged
Tinkering in the Womb
Clicker: How many Americans are infertile
In vitro fertilization
also known as Assisted reproductive technology (ART)
egg cells are fertizlied with pserm outside of the womb
louse brown, 1978 first test tu
Exam 3 Review
PCR: Polymerase Chain Reaction
amplifying a known region of DNA.
1. Design/make primers
2. Heat 95 degrees celcuic to open it up
3. 3.Anneal primers
4. Add dNTPs, dATP dCTP and dTTP, taq p
Exam 3 Quiz Questions
1. The advantage of genetically modified glyphosphate-resistant crops is
a. Can withstand high does of weed-killers
2. What crop has been genetically engineered to produce an anti-cancer
Practice Exam #3
Spring 2011, Nuttelman
Which of the following situations is most favorable for the amphiphilic molecules in water? Ans: B
Imagine you have a material that is very hard, but brittle, s uch as a ceramic. What type
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0/- *#1 %/ 2*/3 4/" 56$7 89
Agrobacterium tumefaciens is:
A: the active ingredient of Roundup
B: a bacteria that infects plants
C: a bacteria that produces a natural insecticide
D: an organism that makes Golden Rice golden
Exam 2 Quiz Questions 6-9
What was the first tool developed by humans to manipulate data?
What was one of the main problems with ENIAC, a result of its vacuum tubes?
It overheated rapidly
What is widely considered the first
Spring 2011 Exam #2 CHEN 1000/GEEN 1100
Choose the BEST answer to each of the following questions and fill in the corresponding space
on the SCANTRON sheet. Please make sure that you completely fill in your answers on the
SCANTRON sheet; w
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Which of these is considered the
brain of the computer?
What is 23 in binary?
Exam 1 Review
What is the biggest use of energy in the residential sector?
What is the biggest use of energy in the commercial sector?
Where does most of the electricity in the US come from?
From which re
Natural atmospheric, terrestrial, and aquatic systems are not sufficient to absorb and
break down wastes from population centers, industry, and farming.
Two fundamental problems
1. How do we dispose o
Most of our energy comes from the sun.
Nuclear Fusion (powers the sun) indirect source of all energy.
o Mass can be converted into energy.
o C^2 is an enormous quantity.
How the Energy got there
Biomass (wood, corn
Efficiency & Paths to the Future
The Price of Power
What if Global Warming is not occurring? Is everything fine and dandy?
Global Warming/Climate Change aside, there are still some downsides of
technology and energy usage.