Chern 243 exam #3A, Spring 2016
1. (5 pts) Draw the cyclic (pyranose) form of a-D-altrose, a c-2 and c3 epimer of glucose.
2. Answer the following for the carbohydrates depicted below (1-8)
a. (3 pts) Which are/is considered 'D' sugars? I ,3. ~. 5
CHEM 251 sample exam (summer)
l.a ( 15 pts) Circle the pairs of compounds below that would be miscible (soluble) with
b (6 pts) Rank the compounds (A-E) below in order of solubility/miscibility i
1. First photo
a. Our group came up with this model of hemoglobin by using chemistry to
predict which structure would release oxygen more readily. We used
biology to decide how the molecule would deliver oxygen and under what
Chemistry 255Spring 2017
Midquarter exam 1 (75 pts) Name J 051 53 "I.
1. (4 pts) Consider the polypeptide with the sequence: '1" 61 m, 593 0/
GlySer-Lys-GluSer~GluArgAsp. mt!" 0
a. Would this peptide strand most likely be in the core/ interior or
CHEM 255 STUDY GUIDE for EXAM #1
Exam#1: Thursday, May 4
Structure of the exam. The exam is in 2 sections. Section #1 is to be taken during class time
on Thursday and will be closed books and closed note. This section is worth 75 points. The
Section #2 wi
SECTION 2 of exam #1 (25 pts)
Turn in Tuesday, Nov 1 at the beginning of class
(8 pts) Speculate of the results of substituting Hemoglobins Arg 141 on the ocl sub unit with
Leu. How would this change Hemoglobins behavior in regards to pH, T and R
Chem 255 Lcfw_ /Z"/f9~
Chap 7 Study of the Proteins Myogobin and Hemoglobin 3t: 3%, JEN/
Myoglobin: Oxggeh 009; Pfofejm
\ :31. J
Specific amino acid residues essential to lock 02 in place:
r? Max's maa QM Tan vql'EME oi
Acid Base Titration
Objective : To calculate the molarity of an unknown acid and the purity of KHP sample using the acid/base
Use the LAB : HOW TO link from the class website if you need help with how to use balance,
Bunsen burner and such.
Print and tape this on to the lab notebook under Data section please.
MUST use the CLASS AVERAGE for your analysis.
Mg + HCl
Ti ( C)
Tf ( C)
delta T ( C)
Pre CH6 HW for Silberberg
Followings are what you will find at the end of the chapter in your textbook.
For LEARNING OBJECTIVES: Highlight the main idea for EACH objective. Ready carefully so you
dont highlight everything. Few are done as examples.
Chem 161 Ready for class? Thermochemistry
1. A bomb calorimeter consists of metal parts with a heat capacity of 950.0 J C-1 and 8.50 102
grams of oil with a specific heat of 2.418 J g -1 C-1. Calculate the amount of heat energy
required, in kJ, to raise t
Label the reactants and the products.
Indicate the number of atoms of each element on each side.
Determine if the equation is balanced.
Balance if needed.
Identify each reaction as combination, decomposition, single
replacement, or double replacement.
Chemistry 139, Scientific literature 1, Assignment: Comparison of articles.
Both articles are about scientist made a successful alteration from E. colis internal composition to fattyacid molecules that is possible to transform directly into fuels. This bi
Article said it is essential to find a solution why amphibians growth is slowing down. One of the
possible reason is excessive use of pesticide. This cause, influence of heavy metal or pesticide
on amphibians, is studied much fewer than other causes like
MY PROGRESS IN WRITING
English writing is a very broad and continuous learning. It is not like other courses that
only to study and get the correct concept or answer. However, in order to improve in writing
skills you have to
Lab Report PLKE#2: SOLUBILITY
I)Purpose of the experiment
Part A and B : what is the solubility relationship of various substance in different solvents?
Part D : what is the solubility relationship of organic acid
Academic Advisement Center 713-718-6120; Central College
Computer lab - Eastside Campus (Angela Morales Open Lab- Room 210, Tel. 713-718-
MW 2-3:30pm San Jacinto bldg. Room 230
Instructor: Jeremiah Crotser
Office Hours: MW 3:30-4:30 or by appt.
Office Location: 215 San Jacinto Building
Email Address: [email protected]
Supplies: Pen or pencil, notebook
How to calculate percent error/deviation?
Look at the front of the ESRT
You will see a formula for calculating percent deviation or otherwise
called percent error.
The most difficult part is to figure out what is
Chapters 12 -15
1) What is a genome?
A) the complete complement of an organism's genes
B) a specific sequence of polypeptides within each cell
C) a specialized polymer of four different kinds of monomers
D) a specific segment of DNA that is f
UH Student Government Association - BUDGET
Table of Contents
Proposed on September 30, 2014
Page 1 of 1
Table of Cotents
FY 2014 Budget
FY 2015 Budget
UH Student Government Association - BUDGET
Proposed on Sep
Lab Activity - Simulation Loops
Krishna BC, Section 05
# Input Section:
population = int(input('Please enter the initial population of the rabbit: ')
for years in range(1, 11):
if population >= 150:
population -= 100