7.28/7.58 Molecular Biology!
Prof. Tania A. Baker! !
Prof. Stephen P. Bell! !
Prof. Wendy Gilbert
Text: ! !
Watson et al. (2008) Molecular Biology of the Gene, 7th ed.
How to Read a Scientific (Biology) Research Paper
A scientific research paper is a work of logic, where scientists present a set of experimental
results and argue for a model that fits the presented data. To support the model, the scientist will refer to
Problem Question Rough Sketch
In cancer, localized gene amplification is often observed, leading to overexpression of
oncogenes such as c-MYC or HER2 in some forms of breast cancer. You have
hypothesized that this situation may be due to the rare survival
24. How many amino sugars are common in nature?
25. The D- form of which of the following amino sugars is not commonly found naturally?
26. The D- form of which of the follow
89. Nylon-66 is formed by the reaction between which of the following?
A. H2N(CH2)4NH2 + HOOC(CH2)6COOH
B. H2N(CH2)4NH2 + HOOC(CH2)4COOH
C. H2N(CH2)6NH2 + HOOC(CH4)6COOH
D. H2N(CH4)6NH2 + HOOC(CH2)4COOH
90. Which of the following is true of the monomeric
69. The cleansing agent in many detergents is which of the following?
A. a sodium alkylbenzenesulfonate
B. sodium silicate
C. sodium perborate tetrahydrate
D. any of these, they are all cleansing agents
70. The bleaching agent in many detergents is which
59. Which of the following is obtained by oxidizing hexanal?
C. hexanoic acid
D. none of these
60. Treatment of 2-hexanone with potassium dichromate in sulfuric acid will give which of the following
7.012 Problem Set 4
Please print out this problem set and answer the questions on the print out. Answers to this problem set are to be turned in at the box outside 68-120 by 4:00, Friday, Oct. 19. Problem sets will not be accepted late.
7.012 Problem Set 3
Please print out this problem set and answer the questions on the print out. Answers to this problem set are to be turned in at the box outside 68-120 by 4:00, Friday, Oct. 12. Problem sets will not be accepted late.
7.012 Problem Set 2
Please print out this problem set and answer the questions on the print out. Answers to this problem set are to be turned in at the box outside 68-120 by 4:00, Friday, Sept. 28. Problem sets will not be accepted late.
7.05 Section 05 TA: Simona Tescu Email: [email protected] RECITATION #4 Solutions P1) NTP has an extra 2OH. P2) a, b, c, d P3) a, d, c
P4) Because DNA polymerases are unable to initiate DNA chains de novo, and because they require a primer with a 3
Laura Jacox Recitation 1 Who is the person standing in front of the board? She is: Laura Jacox Email: [email protected] Recitation: Wednesday at 11am Concepts for this week: pH / Buffers/ Titration Curve Amino Acids Peptide bonds Protein Purification Prote
7.05ProblemSet5 Spring2008 1. Whatisthefunctionofthefollowingtypesofenzymes? a. Isomerase catalyzestheconversionofoneisomertoanother b. Mutase catalyzesthetransferofaphosphategroupfromonepositiontoanotherwithinthesame molecule c. Epimerase catalyzestheinv
Problem Set 7 Oxidative Phosphorylation, Photosynthesis, Assimilation of CO2 Oxidative Phosphorylation 1) Explain the purpose of O2 in animal metabolism. 2) One night, while you were trudging through another round of tissue culture, you discover some ragg
Problem Set 8
Nitrogen Metabolism, Amino Acid Metabolism, Biosynthesis of Purines and Pyrimidines Problem 1.
Problem 2. (1998, Exam 3)
Problem 3. (2007, Problem Set 8)
Problem 4. (1994, Exam 4)
Problem 5. (2005, Exam 4)
7.05 Problem Set 6 Spring 2008
TCA Cycle 1. -Ketoglutarate plays a central role in the biosynthesis of several amino acids. Write a sequence of enzymatic reactions that could result in the net synthesis of -ketoglutarate from pyruvate. Your proposed seque
Page 1 of 9 Recitation #5 March 10, 2008 Lecture 9-12: DNA, RNA, replication, transcription, and translation Contact Information: Patricia Zheng Email: [email protected]
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Page 5 of 9 Practice Problems Problem 1: 2003 Exam I
7.012 Problem Set 5
Please print out this problem set and answer the questions on the printout. Answers to this problem set are to be turned in at the box outside 68-120 by 3:00, Friday Oct 24th. Problem sets will not be accepted
7.05 Exam 3 review
EXAM #3 REVIEW
Karl Gutwin and Simona Tescu
General Information: Exam 3 is Wednesday, 3/30 in Walker Memorial. You are allowed to bring your notes and as many hand-written pages as you want. You cannot bring: the book,
7.05 Section 05 TA: Simona Tescu Email: [email protected] RECITATION #4 Covers lectures: 10, 11: DNA Replication, Sequencing and Transcription This weeks office hours: by appointment Solutions to this weeks handout will be posted online. Questions about
TA: Simona Tescu 7.05 Recitation 8 email: [email protected] RECITATION #8 Today we will cover: Lecture 20, 21, 22 (some 23) Simple carbohydrates: nomenclature and examples Disaccharides and polysaccharides: examples High energy compounds: PEP Glyco
Recitation #11 solutions
Question 5. 2. Dark Reactions of Photosynthesis (1994 Exam 3) Assume that an organism capable of engaging in photosynthesis has been mutagenized so that lysine resides presen