MCDB 101B Spring 2012 MIDTERM 2 EXAM KEY
1. (20 pts) Linear chromosomes require special structures at each end called telomeres.
A) Briefly describe the general properties of the DNA sequence at each end of a eukaryotic chromosome and
how it is made.
(7 p
Chapter14: Glycolysis,Gluconeogenesis,andthe PentosePhosphatePathway Glycolysis Feeder pathways Fermentation Gluconeogenesis Pentose phosphate Tumor biology, vitamin B1, and SNPs "Beer is living proof that God loves us and wants us to be happy." -
Early 1
Chapter 13: principles of bioenergetics
How to convert energy from environment into work by organisms.an early evolutionary event Processes follow the basic thermodynamic laws Free energy, enthalpy, and entropy ATP plays a central role
Two fundamental law
Initial velocity, E< S, time approaches zero
Meaning and typical values of Km
Convert MM equation to reflect Vmax, and V at very low S
Compresses (artificially) high S data
What happens if two times the enzyme concentration is used?
Km values can vary fro
Honors session #1: 1171 Chemistry
Saturday January 16th 4PM-5PM
Review papers posted on website Hand in written response Monday January 18th after class
Initial velocity, E< S, time approaches zero
Meaning and typical values of Km
Convert MM equation to r
Chapter21: LipidBiosynthesis
Key intermediate in FA biosynthesis
Irreversible rxn.
Cysteine of ketoacyl-ACP synthase
Loss of CO2 drives this reaction
-SH group of ACP
Four step reaction: Figure 21-2
Condensation/reduction/elimination/reduction (similar, b
Chapter14: Glycolysis,Gluconeogenesis,andthe PentosePhosphatePathway Glycolysis Feeder pathways Fermentation Gluconeogenesis Pentose phosphate Tumor biology, vitamin B1, and SNPs "Beer is living proof that God loves us and wants us to be happy." -
Early 1
C F D
B
A
Chapter19: OxidativePhosphorylation
andPhotophosphorylation
Electron transfer in mitochondria ATP synthesis Regulation of oxidative phosphorylation Mitochondrial genes Apoptosis and oxidative stress Photophosphorylation Light absorption Light dr
Chapter17: FattyAcidCatabolism
Most trans fats consumed today are industrially created by partially hydrogenating plant oils a process developed in the early 1900s and first commercialized as Crisco in 1911. These more saturated fats have a higher melting
Chapter17: FattyAcidCatabolism
Most trans fats consumed today are industrially created by partially hydrogenating plant oils a process developed in the early 1900s and first commercialized as Crisco in 1911. These more saturated fats have a higher melting
Anyone with a score less than 40 is in jeopardy of receiving a grade of C or lower if they continued at this level
Chapter15: PrinciplesofMetabolicRegulation: GlucoseandGlycogen
Glycogen and starch: concentrated and dynamic energy storage strategies (fats
![Chapter 19 lecture [Autosaved]](/thumb/a2/bf/a2bf6e26355c367e0064a88bfcdfeba3b453d7b4_180.jpg)
