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Intro Bio Columbia Univ.
Important organic chemical FUNCTIONAL GROUPS found in biological molecules (R = any organic group):
sugars :e.g., glucose
- How to measure an RF with diploids
Suppose you want to measure the RF between gene Alpha (alleles A & a) and gene Beta (alleles B and b).
The obvious thing to do is to cross AABB X aabb (parents) AaBb F1 (or cross AAbb X aaBB), and then to
f(A) = frequency of allele A, f(AA) = frequency of genotype AA, etc.
Call f(A) = p; f(a) = q. Then p + q = 1 since every allele is either A or a. At equilibrium:
f(AA) = p ; f(aa) = q , and f(Aa) = 2pq, and p + 2pq + q = 1,
Genes and the
Genes are hereditary information made
up of molecules called DNA
Some genes achieve their effects by the
production of proteins.
Genes can turn their expression or
activity on, off, up, or down.
Genes effect the level of
Review for Neurobiology Mid-Term
Membrane Potential & Action Potential
The Role of Electricity in Neural Acvitity
Genetic and epigenetic
implications related to
omega-3 fatty acids.
CHEATHAM CAROL L., LUPU DANIEL S., NICULESCU MIHAI D., GE- NETIC AND EPIGENETIC
TRANSGENERATIONAL IMPLICATIONS RELATED TO OMEGA-3 FATTY ACIDS. PART II: MATERNAL
The brain contains billions and billions of neurons. These cells
communicate with one another by releasing small endogenous chemical
messengers, called neurotransmitters, into the synapse, where they are then taken
up by specifi
Last five digits of SS# or ID# ANSWER KEY_
Class _ (C2005) (F2401)
1) Consider the diagrams of the chair form of beta-glucose and the Haworth projection of beta-glucose and
beta galactose. e.
a) In alpha-galactose, the anomeric carbon is
Last five digits of SS# or ID# _
Class _ (C2005) (F2401)
Seat No. (if available) _
Intro Bio Exam #1 September 29, 2005
There are 4 pages with questions.
Pages will be separated for grading. To receive proper credit for your answer, you must
Review Questions for Exam #3 = Exam #3 of 13
For all the questions on this exam, circle all correct answers for each question. There may be one or more than
one correct answer. Then explain all your answers!
1. You have mRNA from eukaryoti
Advice from Students
Advice from former students of C2005/F2401
Below are practical tips from students about how to get the most out of this course. But
first, why bother?
Understanding the approach of this course - from a
Key to Review Questions for Exam #3
Each answer 2 pts and each explanations 2 pts unless it says otherwise.
1. A. The cDNA should hybridize to (the sense strand of gene G) & (the primary transcript of gene G)
Explanation 3 pts. Both the pr
Top 10 tips for success
Ten Tips For Success in C2005/6 &F2401/2
last update: 07/12/2012
1. Come to class. In some courses all you have to do is read the book; that's not the case here. There is too
much stuff in the book, and the lecture will k
Biology C2005 Fall 2014
INTRODUCTION TO CELLULAR AND MOLECULAR BIOLOGY: Biochemistry &
Profs. Lawrence Chasin and Deborah Mowshowitz
Tuesday and Thursday
Sec. 1: 10:10 11:25 AM in 417 IAB
Key to Review Questions for Exam #4
Unless stated otherwise, each answer was 2 pts and each explanation 2 pts.
1. A-l. How many different genotypes are possible in the offspring ofthis couple? _6
A-2. How many different phenotypes are po
C2005/F3401 '14 Review Questions for Exam #4
This is exam #4 of l 3. A few questions have been modied to make them better, but most ofthis is exactly the
same as last years final exam. You should be able to explain ALL answers.
1. Consider two unlinked au
Polarity Handout 1 Biol. C2005/F2401
POLAR OR NON-POLAR PROPERTIES OF SOME FUNCTIONAL GROUPS
Polar (soluble, because it is able to
form hydrogen bonds)
Polar (soluble); often loses its
A minimal medium for growth of E. coli (sources for the most needed atoms C, H, O, N,
K, Mg, S
glucose, a sugar
salts of Se, Cu, Fe, etc.
BTW: Turn on the recorder
The Main Page
Note to myself for Lec. 1:
Web site is required reading (at least twice a week)
Problem book; problem book
Web lectures (lecture notes; PowerPoints; handouts)
Texts: World of the Cell (Hardin); Life (Sadava)