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April 20, 2014

Search: structural bio-chem

Number of results: 15,944

structural bio-chem
Write notes on the different non-covalent interactions that drive protein folding. Explain how these weak interactions are responsible for the specificity of enzyme-substrate and antibody-antigen binding reactions.
Wednesday, December 9, 2009 at 12:49pm by gary

bio
what are the two structural components of a chromosome
Tuesday, March 1, 2011 at 8:40am by mary

bio
Try some of the following links on chromosomes: http://search.yahoo.com/search?fr=mcafee&p=2+structural+components+of+a+chromosome Sra
Tuesday, March 1, 2011 at 8:40am by SraJMcGin

AP CHEM
Aspirin has the structural formula below. Which functional groups does this molecule contain? I. Acid II. Alcohol III. Ester IV. Ether I have no way of posting the structure, but it is on google images! If you type in aspirin structural formula, it's the first one. Answer is I...
Friday, April 5, 2013 at 2:58pm by Anonymous

Chem
No I can't. We can't draw structural formula on the board.
Wednesday, April 14, 2010 at 11:38pm by DrBob222

CHEM
draw the structural formula for 1,3,5-trichlorocyclohexane
Thursday, April 28, 2011 at 2:00am by Star

bio
How are the various types of blood vessels different in structure? How do these structural differences relate to their functions? Consider the presence of valves, muscular control of constriction and dilation, and the presence or absence of multiple tissue layers.
Monday, July 28, 2008 at 7:38pm by denise

Chemistry
Here are some structural formulas; the extra electron dots to show the unpaired electrons are not necessary. http://www.cartage.org.lb/en/themes/sciences/chemistry/generalchemistry/matter/atoms/structural/structural.htm
Tuesday, November 2, 2010 at 12:29pm by DrBob222

chem
Can someone show me the structural formula (lewis diagram) for ethene??? Please
Wednesday, March 31, 2010 at 2:39pm by Stacey

Biology/Chem
Can someone please explain how I would write the equation for the hydrolysis of lactose using structural formulae? Thanks.
Tuesday, March 20, 2007 at 5:40pm by Confucious

Probability
4.3. In a certain college town, 27.5 percent of the students failed Mathematics (Math), 19.8 percent failed Biology (Bio), and 11 percent failed both Math and Bio. A student is selected at random. Let A represent the event of failing Math, so that A' is the probability of ...
Sunday, September 2, 2012 at 11:32pm by Carla Lopez

chemistry
I can't name this without knowing the structural formula (the Cl, H, Br, & F may go on different carbon) and we can't draw structural formulas on this forum_search_20140419. It is a chloro, fluoro, bromo, ethane. Which one I don't know.
Wednesday, August 21, 2013 at 3:20pm by DrBob222

bio chem
4.23
Tuesday, July 12, 2011 at 5:57pm by pH

Chemistry
I'm confused. What's the difference between a structural formula and a condensed structural formula? Could you show me a website maybe that might outline the differences? Thank you for explaining this.
Saturday, May 2, 2009 at 9:46pm by Aline

Bio Chem
delta T = Kf*m
Monday, November 29, 2010 at 10:55pm by DrBob222

bio-chem
C- and K+ channels are open
Friday, April 8, 2011 at 10:32am by donna

Structural Design, Part 2
The structural technique that includes long vertical studs running from the sill plate to the second floor roof frame is called Frame
Thursday, January 20, 2011 at 6:40pm by Cynthia

Chem
Can you show me the structural formula, NOT molecular formula for C3H6 = Cl2 (g) - C3H6Cl2 Please...:)
Wednesday, April 14, 2010 at 11:38pm by Stacey

Chem-organic, bio, intro
nitrogen in torr
Sunday, October 16, 2011 at 3:20am by Anonymous

chemistry
How does a complete structural formula differ from a condensed structural formula?
Saturday, November 24, 2012 at 7:31pm by Boo Boo

Chemistry - please help!
How do you do the simplified structural formula and full structural formula of ester? I'm really struggling,please help! e.g.methyl ethanoate/propyl methanoate
Wednesday, May 7, 2008 at 8:11am by Anonymous

Chemistry
WHat are the structural formulas for glycerin, hexane, and ethanol. Do these structural formaulas support the solubility data obtained?? It is almost impossible to draw structural formulas on the computer. In line formulas may help. But you need to refine your question to ...
Tuesday, February 20, 2007 at 8:03pm by Dave

Chemistry
Serine exists in its zwitterion form at a pH of 5.7. Draw the structural formula for the same. Explain the manner in which the structural formula of polar and non-polar amino acids would vary
Wednesday, July 27, 2011 at 5:48pm by mema

chemistry
Serine exists in its zwitterion form at a pH of 5.7. Draw the structural formula for the same. Explain the manner in which the structural formula of polar and non-polar amino acids would vary.
Thursday, July 28, 2011 at 10:26pm by mema

Chemistry
Serine exists in its zwitterion form at a pH of 5.7. Draw the structural formula for the same. Explain the manner in which the structural formula of polar and non-polar amino acids would vary.
Wednesday, August 10, 2011 at 2:44pm by Allison

Chemistry
Serine exists in its zwitterion form at a pH of 5.7. Draw the structural formula for the same. Explain the manner in which the structural formula of polar and non-polar amino acids would vary.
Wednesday, August 10, 2011 at 2:44pm by Monique

chesmistry
Serine exists in its zwitterion form at a pH of 5.7. Draw the structural formula for the same. Explain the manner in which the structural formula of polar and non-polar amino acids would vary
Sunday, February 17, 2013 at 10:41pm by lila

bio/chem
1 g NaCl in 100 mL total volume distilled water.
Thursday, May 13, 2010 at 2:14am by DrBob222

Bio/Biochem/Chem
Use the Nernst equation: E=(RT/zF)ln([K+]o/[K+]i)
Thursday, February 7, 2013 at 1:28pm by Devron

A-Level Chemistry
How many alcohols (including both structural isomers and stereoisomers) can have the molecular formula C4H10O I know what structural and stereoisomers are but i want to know that whats the method to find the total number of isomers of this compound. Response will be appreciated.
Wednesday, April 14, 2010 at 2:55pm by Areeb

Chemistry
1. Which of the following compounds is an unsaturated hydrocarbon? methane *propyne nonane methyl 2. The general name for hydrocarbons with at least one triple covalent bond is ____. alkenes alkyls alkanes *alkynes 3. What is the name of the smallest alkyne? butyne *ethyne ...
Thursday, April 11, 2013 at 2:04pm by Cassie

Chemistry: Please check answers
1. Which of the following compounds is an unsaturated hydrocarbon? methane *propyne nonane methyl 2. The general name for hydrocarbons with at least one triple covalent bond is ____. alkenes alkyls alkanes *alkynes 3. What is the name of the smallest alkyne? butyne *ethyne ...
Thursday, April 11, 2013 at 1:16pm by Cassie

Chemistry (Check)
True or False? In a structural formula a shared pair of electrons is represented by two dashes. Is this True? Fill in the blank Structural formulas show the arrangement of____________ in molecules. is it electrons? A shared pair is represented by two dots. Structural formulae ...
Wednesday, November 29, 2006 at 7:56pm by Bryan

chemistry
why is C4H10 the simplest alkene that can have structural isomers? Because compounds wwith the same molecular formula but different structural formula are called isomers in C4H10
Tuesday, June 29, 2010 at 12:43am by Jetta

organic.chem
Compound X, C8H17Cl, is a chiral product of the radical chlorination of 4-methylheptane. X reacts in SN2 fashion with NaI in acetone to form Z, C8H17I. When the reactant is the R-enantiomer of X, only the R-enantiomer of Z is formed. What is the structural formula for X?
Monday, June 22, 2009 at 1:18pm by melvin

Chemistry
Well I am supposed to depict the hydrogen bonding between two ammonia molecules in structural formula, and the one ammonia molecule and water molecule in structural formula. Isn't ammonia NH subscript 3 ?
Monday, February 9, 2009 at 8:40pm by anonymous

application
i'm writing a officer aplication and need to write a bio, how long should the bio be?
Thursday, May 3, 2012 at 6:14pm by joee

bio
last question about bio Explain the statement below: “ Biological evolution began when cells formed”
Monday, April 21, 2008 at 9:10am by Helen

Org Chem. I
Using the Cahn-Ingold-Prelog sequence rules,assign priorities to the groups around the chiral carbon in carvone. Draw the structural formulas for (+)- & (-)-carvone with the molecules oriented in the correct position to show the R & S configurations.
Monday, October 31, 2011 at 8:43pm by stephie

Chemistry
Draw all the possible condensed structural formulas for the organic compounds with 6 carbon atoms that have a 4-carbon chain. [I don't know how to draw condensed structural formulas with a branch on it or how this type of structure is going to come out]
Tuesday, October 25, 2011 at 9:41pm by Steph

Biology
Basic structural unit of a DNA molecule is called a nucleotide. Basics structural unit an of RNA molecule is also a nucleotide. Basic structural unit of a polypeptide is called an amino acid. DNA is translated into RNA which is transcribed into amino acids, which then link ...
Friday, March 14, 2014 at 12:47pm by Elle

home inspection
11. Structural failure in a roof may be due to A. the presence of a vapor barrier between the attic floor and the ceiling below. B. too little span between supporting members. C. cuts made in rafters or trusses for addition of components such as stairways and fans. *D. use of ...
Sunday, February 24, 2013 at 4:59am by Austin

bio
Thank you for using the Jiskha Homework Help Forum. If you do a SEARCH (to the upper right) look for another bio today because I posted sites explaining that earlier this afternoon.
Sunday, April 20, 2008 at 9:35pm by SraJMcGin

bio/chem
how do i make percent solutions w/v starting with pure NaCl and distill water. eg 100ml of a 1% NaCl solution
Thursday, May 13, 2010 at 2:14am by Amber M

Chem
Do you mean structural formula? We can't draw those things on the board. I suggest you go to google.com and type in the compound. With any luck at all you can find a site that has the formula drawn (although I tried the first one and had no luck).
Sunday, April 4, 2010 at 11:16pm by DrBob222

chem
Using condensed structural formulas, write a balanced chemical equation for each of the following reactions a)addition of H2O to trans-2-pentene using H2SO4 as a catalyst (two products) i got 2-pentanol adn 3-pentanol but it is counting it wrong!
Tuesday, September 25, 2012 at 9:41am by sara

Bio Chem
What would the freezing point of water be if one prepared a 10 m solution of urea in water? (ÄTfp = 1.86°C/m x m)?
Monday, November 29, 2010 at 10:55pm by Anonymous

bio chem
What is the ph when 100 mL of 0.1 M NaOH is added to 150 mL of 0.2 M Hac if pka for acetic acid =4.76?
Tuesday, July 12, 2011 at 5:57pm by brit

AP Bio potato/osmosis lab
i got a bio coursework just like this somewhat but i cnt figure out some possible sources of error
Wednesday, October 25, 2006 at 5:52pm by iamme

physics
what is the meaning and significance of the elastic limit and why it should be avoided? The elastic limit is the maximum deformation a material can go to, after that, structural changes occur, and it yields as if it were a plastic. Many structural failures occur after the ...
Wednesday, October 25, 2006 at 8:05pm by Katrina

Science
What is the structural formulae for the equation for the hydrolysis of lactose? It is impossible for us to draw structures on the computer. Here is a web site that may help you. http://www.rpi.edu/dept/chem-eng/Biotech-Environ/IMMOB/lactose.html
Saturday, February 10, 2007 at 4:49pm by Samantha

AP Bio
Please take a look at my AP bio question from last night. I still need help! Thanks
Wednesday, October 14, 2009 at 8:13pm by Muffy

Science
No, but here is the next best thing: http://en.wikipedia.org/wiki/Amino_acid In the section "on human nutrition", there are links to each of the amino acids, giving a structural diagrams, and a condensed structural formula.
Friday, November 13, 2009 at 6:27pm by bobpursley

chem
How many structural isomers of dicloro,hydroxy,butanoic acid are there? Is there a website that has the structure with names??? The point of this question is to get you to draw the compound, then move the cloro and hydroxyls and count the variations. So draw the butanoic acid...
Thursday, September 1, 2005 at 9:20pm by Nisar

chemistry
Structural formulas show how atoms are linked to one another in a formula. For example, for CO2 the structural formula is O=C=O. For NH3 it is H-N-H | H It is difficult to show structural formulas here. Here are some more in the in the web page below: http://www.cartage.org.lb...
Tuesday, May 5, 2009 at 10:14pm by GK

Biology
Thank you for using the Jiskha Homework Help Forum. First of all, be sure you spelled both terms correctly: http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/Bio%20101/Bio%20101%20Laboratory/Mitosis/mitosis.htm
Monday, May 12, 2008 at 4:27pm by SraJMcGin

complaint
You're right about our not having a bio expert here. There are other tutors who can help in the area, but the tutor who was recruited specifically for bio has become very ill and is hardly ever on the computer any more. Keep posting your questions -- with plenty of lead time! =)
Saturday, March 8, 2008 at 10:27pm by Writeacher

Bio
I have a 67% in bio and our final exam is worth 30%. how much would I have to get on the exam to pass the course?
Monday, June 25, 2012 at 10:29pm by Rebecca

Bio-Chemistry
As your subject is bio-chemistry, perhaps digestion?
Monday, June 29, 2009 at 1:57am by Dr Russ

science
http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20101/bio%20101%20laboratory/mitosis/mitosis.htm You can find your answer at the above URL
Thursday, January 16, 2014 at 10:12am by Steve

Science
I don't know what you mean by the "factors" of the photochemical process called photosynthesis. It is a complex multistep process that is well described at http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20101/bio%20101%20lectures/photosynthesis/photosyn.htm
Monday, July 5, 2010 at 8:14am by drwls

Biology--Urgent
Need help with these: a) What is a major structural advantage that eukaryotic cells have over prokaryotic cells? Why is this so important? b) Identify one similar and one different way each type of cell uses flagella c)The cytoskeleton of eukaryotes serves many functions. One ...
Monday, February 1, 2010 at 1:10pm by mysterychicken

Chemistry
Draw the structural formulas of the expected products in the two following hydrolysis reactions. Breakdown of a Lipid reactions are glycerol and 3 fatty acids Draw the structural of the expected products in the two following hydrolysis reactions.
Thursday, February 9, 2012 at 7:02pm by Zack

Chem/Bio/Nutrition
Why is the experimental Cal/g value usually less than the Cal/g value calculated from the Information on the nutrition label?
Sunday, January 18, 2009 at 6:26pm by Lena

Organic Chemistry
An expanded structural formula shows all the atoms of the molecule and all the bonds between the atoms in the molecule. Draw the expanded structural formula for 1,3-dichlorocyclopentane. Draw the structure by placing atoms on the grid and connecting them with bonds. Include ...
Tuesday, October 30, 2012 at 10:29pm by Brittany

chemistry
1. All of the following are structural isomers of CH2=CHCH2CH=CHCH3 EXCEPT a. CH2=CHCH2CH2CH=CH2 b. CH3CH=CHCH2CH=CH2 c. CH3CH=CHCH=CHCH3 d. CH2=C=CHCH2CH2CH3 Is it D? 2. Almost all of the amoino acids found in living organisms are in the L-form. L-Alanine and D-alanine are a...
Thursday, May 7, 2009 at 11:19pm by anonymous

chem
How many grams of glucose should we dissolve in one liter of water to get one molar solution (1M). This is the exact question given to me by my cell bio teacher. anything will help. MW of glucose is 180 grams.
Wednesday, January 19, 2011 at 6:53pm by nicole

Chemistry
The sequence (called a homologous series) is methanol, ethanol, propanol, butanol, pentanol... Butanol's molecular formula is C4H10O. There is more than one isomer with this molecular formula. It is difficult to show structural formulae on here. One structural formula with ...
Tuesday, March 11, 2008 at 12:56pm by DrRuss

Biology
I believe that I have answered the following questions correctly, but would like some reassurance. organisms that are used to decontaminate soils may a. store contaminates in their tissues b. release pollutants into the air c. degrade the pollutants d. be plants or ...
Friday, April 22, 2011 at 5:13pm by Paige

repost bio
yes, the reason is that there are more activation sites available for the enzyme to attach to and thus react with. increasing rxn sites => increase rxn rate opposite does the opposite of course unfortunately that's all I can help with what I remember from memory (I sold my ...
Wednesday, February 27, 2008 at 10:10pm by ~christina~

chemistry
I have to draw Lewis structures for hydrogen cyanide and cyanogen with nitrogen valency of three. Would I still need 2 dots after the N in hydrogen cyanide or would this represent nitrogen with a valency of 5? Yes. THose two "dots" are unshared electrons. Thanks. When writing ...
Friday, March 9, 2007 at 3:46am by Hol

experimental design
I want to prove a thesis i have, it think my school has an experimental design class, but i cant take it because my schedule is full, but how would i go about proving my thesis? writing a paper? lab report? we never really learned this in bio or chem
Tuesday, November 11, 2008 at 8:22pm by Lind

science
Try some of the following links: http://search.yahoo.com/search?fr=mcafee&p=the+condensed+structural+formula+for+1-butanol Sra
Saturday, October 23, 2010 at 9:49pm by SraJMcGin

Organic Chemistry
It is almost impossible to draw structural formulas on the boards. By the way, you should use the same name when making posts. It helps us avoid confusion. In addition, asking us to do 10 structural formulas is excessive. Here is how you do the first one. If you have a problem...
Sunday, September 30, 2007 at 3:51pm by DrBob222

Physics
The LENGTH of the bridge depends upon the body of water or valley that must be crossed. The other parameters (structural materials, length of span, structural design type, etc.) must be designed to satsify the length requirement and the width/load (number of lanes), ...
Sunday, June 27, 2010 at 10:52am by drwls

Chemistry
Explain in terms of forces between structural units why H2O2 has a higher melting point than C3H8. Also, which of the following has a lower melting point? NH3 or AsH3 C3H7OH or C2H5OCH3 I know that this has to do with hydrogen bonding. Can you possibly briefly explain ...
Wednesday, December 9, 2009 at 5:04pm by Jillian

economics
what is structural unemployment?
Friday, March 15, 2013 at 9:58am by justastudent

structural design
And your answer is?
Saturday, March 1, 2014 at 6:49pm by Ms. Sue

structural isomer?
what is structural isomer? can you alos give me examples? thanks ! Draw the structure pentant (acutally it is n-pentane) out to see it. CH3CH2CH2CH2CH3 H3C     \      CHCH2CH3     / See (if this came out right--usually there...
Monday, June 12, 2006 at 5:43pm by jay!

English 8
What is a structural analysis of a word?
Tuesday, April 1, 2008 at 7:43pm by John

Chemistry
What is structural formula of Ester?
Tuesday, November 2, 2010 at 12:29pm by Mr.Science

chemistry
what are structural examples of an aldehyde?
Saturday, March 9, 2013 at 10:59pm by landa

Structural Design, Part 2
Post
Thursday, January 20, 2011 at 6:40pm by Anonymous

Structural Design, Part 2
Post
Thursday, January 20, 2011 at 6:40pm by Anonymous

economics
Examples of structural unemployment
Friday, March 15, 2013 at 11:22am by working hard

bio chem
5.From the amino acids below, name the amino acids you expect to find in the following regions of an enzyme and explain why. Ala, Val, Leu, Ser, Thr, Asn, Arg, Lys, Met, Pro, Gly, Phe, Cys, His a. Turn b. Interior c. Surface d. Active site (for General Acid-Base catalysis)
Tuesday, November 4, 2008 at 7:15pm by jess

bio chem
From the amino acids below, name the amino acids you expect to find in the following regions of an enzyme and explain why. Ala, Val, Leu, Ser, Thr, Asn, Arg, Lys, Met, Pro, Gly, Phe, Cys, His a. Turn b. Interior c. Surface d. Active site (for General Acid-Base catalysis)
Tuesday, November 4, 2008 at 7:15pm by jess

chemistry
Covalent bonds are formed when two atoms share electrons. The pairs of electrons which are shared between atoms and hence number of covalent bonds, can be represented by the number of lines drawn between the symbols for the atoms. For example, a single bond is represented by a...
Tuesday, December 30, 2008 at 1:51pm by trigger

Chemistry
Compound 1 / Compound 2 / O " CH2 = CH - CH - OH + CH3 - CH - CH2 - C ' ' ' CH3 CH3 OH i) Identify any functional groups in Compounds 1 and 2 and name them. ii) Complete the equation for reaction 1 by drawing the abbreviated structural formula(e) of the products of this ...
Monday, March 5, 2007 at 1:32pm by Fraser

science
wat is the structural organisation of cell.
Thursday, June 26, 2008 at 4:35am by sangam

Chemistry
What is the structural formula for 1-bromo-3,4-dimethylheptane
Tuesday, June 8, 2010 at 7:57pm by mary

chemistry
What is the structural formula of malathion,parathion?
Tuesday, May 17, 2011 at 2:12am by joy

chemistry
What is the structural formula of malathion,parathion?
Tuesday, May 17, 2011 at 2:13am by joy

chemistry
please me,,,what is the structural formula of endosulfan?
Tuesday, May 17, 2011 at 2:16am by joy

CHEMISTY
why is but-1-ene a structural isomer of 2-methylpropene?
Friday, November 4, 2011 at 8:43am by yukila

CHEMISTRY!!
Hi I need help doing this question! Thank you in advance! Suppose that a mixture contains 1,4-dimethoxybenzene and benzoic acid. An experiment is performed in which this mixture is dissolved in diethey ether, the solution is mixed with aqueous soium hydroxide, and the aqueous ...
Wednesday, June 3, 2009 at 9:29am by Mandy

social science
Try some of the following links: http://search.yahoo.com/search?fr=mcafee&p=WHAT+ARE+POLICY+MEASURES+UNDER+STRUCTURAL+ADJUSTMENT+PROGRAMS%3F Sra
Saturday, January 22, 2011 at 1:51am by SraJMcGin

Science
What is the structural formulae for the equation for the hydrolysis of lactose?
Wednesday, February 7, 2007 at 6:12am by Samantha

Biology
What is the structural formulae for the equation for the hydrolysis of lactose?
Wednesday, February 7, 2007 at 10:42am by Samantha

CHEMISTRY
WHAT IS THE CONDENSED STRUCTURAL FORMULA OF 2,3-DIMETHYL-2-BUTENE
Monday, August 31, 2009 at 10:14pm by ROSEL

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