Review Questions for Test 1
These will cover some of the topics discussed in class. Use only as an additional resource. They will not
take the place of class notes nor will it cover everything in your class notes. Do not just memorize the
Membrane Structure and Function part 1
a property of biological membranes that allows them to regulate the passage
of substances across them
having both a hydrophilic region and a hydrophobic region
fluid mosaic model
Chapter 10 Notes part 2
a quantum, or discrete quantity of light energy that behaves as if it were a
particle; move waves
the distance between the crests of a wave.
is the entire range from gamma rays to <nm to r
Chapter 10 Notes part 1
the conversion of light energy into chemical energy stored in sugars and
other organic molecules
acquires the organic compounds it uses for energy or carbon skeleton by one
of two major modes; Autotrophs (s
Chapter 9 Notes
How organic Compounds store energy
What are two major Catabolic Pathways
Fermentation and aerobic respiration
what is Fermentation
degradation of sugars or other organic fuel that occurs without the use of
Membrane Structure and Function part 2
a transmembrane protein channel that allows a specific ion to diffuse across
the membrane down its concentration or electrochemical gradient.
a transmembrane protein channel that opens or
Metabolism Notes part 1
-_ is the totality of an organism's chemical reactions
-_ is an emergent property of life that arises from interactions
between molecules within the cell
A _ begins with a specific molecule and ends wit
Exam 2 Study Guide part 2
how do you determine whether metabolic reactions are spontaneous by
measuring free energy
represents change in free energy
AH (triangle H)
represents total energy
AS (triangle S)
represents the syste
The smallest unit of evolution
misperception: individuals evolve.
Reality: while natural selection does act on
individuals (each organisms combination of
traits affects its survival and reproduction),
impact is only
apparent in the
1859, the publication of On the
Origin of Species by Means of Natural
Selection began a new era in biology.
Today, evolution is a fundamental,
widely accepted theory that is a
unifying theme in biology.
It is as widely an ac
Overview: The DNA Toolbox
of the human genome was
completed by 2007
DNA sequencing has depended on advances
in technology, starting with making
In recombinant DNA, nucleotide sequences
from two different sources, often two speci
Overview: Reading the Leaves from the Tree of
Complete genome sequences exist for a
human, chimpanzee, E. coli, brewers yeast,
nematode, fruit fly, house mouse, rhesus
macaque, and other organisms
Comparisons of genomes among organisms
Overview: Lost Worlds
organisms were very different from those
The fossil record shows macroevolutionary
changes over large time scales including
The emergence of terrestrial vertebrates
The origin of photosynthesis
Long-term impacts of mas
-change in the genetic
makeup of a population from one
generation to the next.
developments, such as the ability to fly.
Encompass multiple speciation events
A theory of evo
All life needs energy. We need to eat for energy but
where does the food we consume get its energy? All the
energy ultimately comes from the sun.
Organisms must be able to convert the energy in sunlight
Direct contact between
Allow signaling substances to pass
freely between adjacent cells
Occurs by direct contact between
molecules on their surfaces
Important for embryos to develop
and in immunology
CS 102 spring 2013 (all campus sections) Weekly Attendance Required!
*If your section # is 600,902, or 990, then you are enrolled in an online CS102 and you have a different syllabus.
Water and Life
Life on Earth began in water and evolved there
for 3 billion years.
Modern life still remains tied to water.
Your cells are composed of 70%95% water.
The abundance of water is a major reason Earth