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April 25, 2014

Search: biochemistry

Number of results: 266

grd 12 U chemistry
Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...
Saturday, September 28, 2013 at 9:58am by Sky

Grade 12 University Chemistry
Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...
Saturday, September 28, 2013 at 1:10pm by Sky

Biochemistry
1. MES (2-(N-Morpholino)ethanesulfonic acid) is a common buffer used in biochemistry labs to stabilize proteins. The pKa for MES is 6.09. a. What is the pH of 1 liter of a 200 mM MES aqueous solution? Clue: you will need to solve a quadratic equation. (2.5 points) b. How much...
Sunday, January 29, 2012 at 6:19pm by Peter

biochemistry-studying
I am taking biochemistry. I study for my tests, but I still can't do better than a D. After I turn my tests in, I feel confident that I did well until I get my tests back. I am frustrated and feel maybe I am too stupid for such a course. I literally cried today when I saw my ...
Tuesday, March 25, 2008 at 12:50pm by stew

biochemistry
Is anybody know what is DESTINEDTAFAIL ?
Monday, August 30, 2010 at 10:18pm by Ashley

Biochemistry
what's transcription?
Saturday, May 11, 2013 at 11:33am by andrea

Biochemistry
How do you find the pH of a 0.2M HCL?
Wednesday, January 23, 2008 at 8:04pm by Amy

BIOCHEMISTRY
calculate the pOH of 3X106-6M of HF
Friday, September 7, 2007 at 4:09am by CHEM

Biochemistry
How many millimoles are in 500.0 g of alanine (MW = 89?)
Tuesday, September 1, 2009 at 9:06pm by Emma

Biochemistry
What is the concentration of HNO3 in a solution that has a pH of 3.4?
Monday, January 24, 2011 at 9:38am by Freddy

Biochemistry I
Carbohydrates provide organisms with ..... and .....?
Wednesday, March 23, 2011 at 7:30am by Ally

Biochemistry
At what pH is acetic acid 30% ionized?
Wednesday, September 7, 2011 at 12:46pm by Tommy

biochemistry
a. What is the net charge on valine at pH 1? b. at pH 7? c. at pH 14?
Friday, April 27, 2012 at 8:11am by krystal

biology
how is the biochemistry of organisms evidence for evolution
Wednesday, March 19, 2008 at 9:09pm by tyree

Biochemistry
How can I separate glucose and a triacylglycreol mixture? Thanks for any help ,,,,
Monday, December 1, 2008 at 6:12pm by Scott

Biochemistry
Is ATP an allosteric inhibitor for protease?
Friday, April 2, 2010 at 1:27pm by Alan

biochemistry
What is the number of g of NaCl in 500 ml of a 10% (w/v) solution? 1. 5% 2. 10% 3. 50% 4. 1% 5. 15%
Wednesday, February 16, 2011 at 7:27pm by Anonymous

biochemistry
What is the number of g of NaCl in 500 ml of a 10% (w/v) solution? 1. 5% 2. 10% 3. 50% 4. 1% 5. 15%
Wednesday, February 16, 2011 at 7:27pm by Anonymous

Biochemistry
could you help me to explain why doesn't the pH change when we dilute it with water? thanks
Friday, June 24, 2011 at 12:47am by Pham

Biochemistry
Given that ∆Go = -15 kJ/mol and k1 = 1.5 X 10-6s-1, calculate k2.
Wednesday, August 3, 2011 at 12:48pm by Ashley

biochemistry
What is the net charge on Phe-Asp at each pH? a. pH 1 b. pH 7 c. pH 14
Friday, April 27, 2012 at 8:11am by krystal

biochemistry
how could nucleotides be named and what are thier functions?
Wednesday, May 23, 2012 at 1:41pm by wangning

biochemistry
how could nucleotides be named and what are thier functions?
Thursday, May 24, 2012 at 6:41am by wangning

biochemistry
The amino acid R has how many ionizable protons?
Sunday, January 27, 2013 at 11:51am by Poonam

Biochemistry
Why is DNA not soluble in ethanol, on a molecular level?
Tuesday, April 1, 2008 at 8:27pm by LC

Biochemistry
When do plants carry out aerobic respiration
Thursday, January 8, 2009 at 6:46pm by Jordan

biochemistry
What amino acids have no chiral atoms?
Thursday, October 28, 2010 at 7:52pm by nicki

BIOCHEMISTRY
BY CALCULATIONS HOW WOULD I PREPARE 200ml of 80% GLYCEROL (V/V)
Wednesday, February 9, 2011 at 9:15am by ZANELE

biochemistry
What is the composition of 17 g glucose in 375 ml solution in % (w/v)? 1. 22.1% 2. 4.53% 3. 2.21% 4. 0.453% 5. 17%
Wednesday, February 16, 2011 at 7:25pm by Anonymous

Biochemistry
I have a 1/40 dilution as 19.18 mg/ml. how would i get back to the original solution?
Sunday, January 25, 2009 at 9:42pm by Andrew

Biochemistry
What physical properties are different for the isomers of C4H10? Explain.
Wednesday, October 7, 2009 at 2:02am by Rose

Biochemistry
How is it that cortisol stimulates glycogen synthesis and gluconeogenesis? Isn't that contradictory?
Thursday, March 18, 2010 at 12:16am by bre

BioChemistry
Write the oxidation equation for sec-butyl alcohol. How do I do this?
Wednesday, February 9, 2011 at 5:43pm by Tia

BioChemistry
Write the oxidation equation for sec-butyl alcohol. How do I do this?
Wednesday, February 9, 2011 at 5:44pm by Tia

Biochemistry
Calculate the deltaG0 for the oxidation of ethanol by NAD+. Urgent Thank You
Wednesday, September 7, 2011 at 7:09pm by Tommy

Biochemistry
What is the pH after 5 mL of 0.1M NaOH has been added to 25 mL of 0.2M acetic acid?
Thursday, September 8, 2011 at 11:57pm by Megan

Biochemistry
Can anyone help?? What are the Concentrations of the various ionic species of a 0.1 M solution of lysine at pH4?
Friday, September 7, 2007 at 12:56pm by Emily

biology
A scientist comparing organisms, in terms of biochemistry, might analyze ?
Wednesday, May 28, 2008 at 6:51pm by lawrence

biochemistry
how do you make a 200ml of a 0.1M solution that has a molecular weight of 121.1g/mol
Saturday, October 2, 2010 at 12:39am by Anonymous

biochemistry
all three sugars have the formula C6H12O6. what does this reduce to
Tuesday, October 26, 2010 at 1:21pm by brianna

Biochemistry
What is the new pH when 1mL of 1M HCl os added to 5mL of 0.1M Phosphate buffer (pH 7.4)?
Thursday, January 13, 2011 at 1:24am by Rose

biochemistry
pls help! discuss the effect of acids and alkalis on DNA & RNA. Thanks.
Sunday, February 6, 2011 at 8:26am by victor

biochemistry
What is the composition of 21 g NaCl in 500 ml solution (density 1.12 g/ml) in % (w/w)? 1. 0.375% 2. 21.25% 3. 3.75% 4. 4.75% 5. 2.125%
Wednesday, February 16, 2011 at 7:26pm by Anonymous

Biochemistry
If you want to lose 1 pound of "fat," which is 20% water, how many kilocalories do you need to expend?
Saturday, September 1, 2012 at 4:04pm by Ryan

biochemistry
discuss at least six factors affecting the performance of an enzyme. Thank you.
Saturday, December 1, 2012 at 7:35pm by amaa

biochemistry
how to calculate a primary standard buffer using Kh2po4 and Na2Hpo4..
Wednesday, January 9, 2013 at 8:39pm by crazy

Biochemistry
Which two ionization states of lysine are present at pH 7 in what and ratio? Show calculation
Sunday, September 9, 2007 at 9:47pm by Megan

biochemistry
show how to convert cyclohexanol to these compounds? a) cyclohexene b) cyclohexane c) cyclohexanone d) bromocyclohexane
Monday, February 18, 2008 at 3:21pm by vaishu

biochemistry
Calculate the pH change of 10mL of HCl added to 1M phosphate buffer in 1L with initil pH of 7.2?
Tuesday, September 28, 2010 at 10:08am by Lina

biochemistry
Trypsin can also hydrolyze N-alpha-benzoyl-L-lysine-p-nitroanilide. TrueFalse
Sunday, February 20, 2011 at 10:33am by Anonymous

biochemistry
explain the role of protein misfolding and aggregation in bovine spongeform encephalopathy
Thursday, March 1, 2012 at 12:24am by jo

biochemistry
What is the number of ATP molecules produced by the beta oxidation of eicosanoic acid?
Friday, April 19, 2013 at 11:19pm by Anonymous

Science Biochemistry
List 3 ways the production of energy from nutrients is regulated in the body.
Friday, June 28, 2013 at 6:42pm by Bukhak

Biochemistry
Are cytosine and Tyrosine the only amino acids that are ionized R-group chains at pH of 7?
Wednesday, October 2, 2013 at 1:08am by Anonymous

Biochemistry
How were the 3 coupling sites in phosphorylation discovered using ETC poisons and artificial electron acceptors?
Saturday, March 7, 2009 at 12:48am by Jason

Biochemistry
Is the substrate level phosphorylation (of succinate) spontaneous under conditions that exist in the mitochondria?
Saturday, March 7, 2009 at 9:28am by Andrew

biochemistry
How do you calculate the PH of a buffer solution prepared by mixing 75 mL of 1.0 M lactic acid and 25 mL of 1.0 M sodium lactate?
Saturday, September 18, 2010 at 11:47pm by nicki

BIOCHEMISTRY
WHAT METHOD CAN BE USED TO PREPARE 0.2M POTASSIUM PHOSPHATE BUFFER USING KH2PO4 AND KOH?
Monday, February 28, 2011 at 3:35am by MODI

Biochemistry
Do you know what the line angle formula for the tripeptide Ser-Ala-Asp as it would appear at pH 7?
Wednesday, September 14, 2011 at 7:15pm by Tommy

Biochemistry
0.1M OF NaOH in 5ml is mixed with 0.1M of CH3COOH in 45ml, what is the concentration of CH3COO- in equilibrium mixture?
Friday, August 10, 2012 at 8:31am by Tulela Haimbodi

Biochemistry
Preform dilution calculations for 10 ml of 2 M stock solution. Molecular weight for the component is 48.6 g / mol
Sunday, March 3, 2013 at 6:07pm by Gemma

Biochemistry
Please help! i was wondering why a genome size determined in a lab would be smaller than that of the actual. thanks
Tuesday, November 12, 2013 at 7:18am by Anon

Biochemistry
What kind of isomers can amino acids form? Which isomer is present in most living organisms?
Wednesday, February 21, 2007 at 7:00pm by Raj

science
What is the order analytical method fundamental to ? I know two of them are taxonomy, biochemistry. I need to know the third one.
Saturday, September 15, 2007 at 4:49pm by richard

biochemistry
ordered 1.0g of tetracycline to be given every 6 hours. on hand 500mg. how many will we need for 1 days treatment?
Monday, July 5, 2010 at 6:00pm by andy

BIOCHEMISTRY
WHAT CONCENTRATION OF SOLUTION DO YOU GET IF YOU DISSOLVE 45G OF GLUCOSE (MOLECULAR WEIGHT =180) IN 500ML OF WATER?
Wednesday, March 10, 2010 at 12:49pm by ELAINE

Biochemistry
What is the net ionic equation for Phosphate ion + ammonium molybdate in the presence of nitric acid?
Monday, September 27, 2010 at 10:10pm by Help

medicine
can some one tell me from where can i download free medical ebooks for biochemistry,physiollogy and embryology???
Wednesday, June 15, 2011 at 1:06pm by aden

biochemistry
If you make up a solution of 100 mL of 0.1 M HEPES in the basic form, what will be the pH? I have no idea where to even start...
Monday, January 30, 2012 at 9:09pm by Sara

biochemistry
i am currently doing an iodine value lab an error occured in my results and i do not know how to write up the conclusion and the discussion
Friday, November 15, 2013 at 11:42am by amanda

Biochemistry
For dialysis, why is leaving it overnight a more adopted practise than measuring the sample during the lab period?
Friday, February 6, 2009 at 9:45am by Chris

Biochemistry
calculate Ph occuring when 100ml of 0.10m acid is added to 500ml of 0.08m acetate buffer,pka 4.75,ph 4.5
Tuesday, August 2, 2011 at 4:25am by Pearl

Biochemistry
Which of the following is the correct pH of a 211.7 mL solution (final volume) of pure water after 52.3 mL of 1.00 mM HCl was added?
Tuesday, September 17, 2013 at 11:59pm by Rich

Biology / Biochemistry
How will the conformation of an Enzyme (a protease) be affected when the amino acid residue is substituted with glutamate instead of glutamine?
Sunday, March 28, 2010 at 12:48pm by Alan

biochemistry
calculate the mass of sodium benzoate that must be added to 1 litre of 0.4M benzoic acid with Ka=6.4 multiplied by 0.00004 solution to a buffer at pH 4.5
Wednesday, September 15, 2010 at 3:42am by sammyt

biochemistry
calculate the isoelectric point of each of the following amino acids: glutamic acid, serine, histidine, lysine, tyrosine, and arginine
Monday, October 25, 2010 at 8:31pm by nicole

biochemistry
4) phosphofructokinase-1 strongly inhibited by an ATP analog in which the oxygen atom joining the - and -phosphorus atoms is replaced with a methylene group?
Wednesday, March 23, 2011 at 11:39pm by brian

Biochemistry
Why are the Krebs Cycle and electron transport pathways downregulated during period of high ATP demand? Has something to do with pyruvate and lactate...
Wednesday, March 18, 2009 at 10:13pm by Andrew

biology/biochemistry
Why should we carry the Western blot in the low temperature while we were transferring SDS-PAGE information to the PVDF membrane?
Saturday, October 17, 2009 at 7:13am by Holly

Biochemistry
Explain how an animal that persists on a diet composed of 90% protein, 7% fat, and 3% carbohydrate utilizes food of this composition to maintain itself and grow.
Saturday, May 5, 2012 at 2:28am by Daisy

Biochemistry
Explain how an animal that persists on a diet composed of 90% protein, 7% fat, and 3% carbohydrate utilizes food of this composition to maintain itself and grow
Saturday, May 5, 2012 at 2:29am by Daisy

Biochemistry
Which of the following peptide fragments would you expect to find buried in the center of a water soluble protein? Explain your answer. a) DEGKRGDK b) ALVWIFLF
Saturday, September 3, 2011 at 5:12pm by Jenna

biochemistry
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid, 0.5 L of 1.0 M sodium acetate and then adding 8 g of solid NaOH (MW = 40.0 g/mole).
Thursday, January 17, 2013 at 4:46pm by Dre

Biochemistry
Calculate the ATPs resulting from the total oxidation of the following compounds: a. Fructose-6-phosphate b. 3-Phosphoglycerate c. Succinyl-CoA d. Stearic acid How do I begin?
Sunday, April 28, 2013 at 10:29am by Riley

biochemistry
can alanine at ph 7 have a carboxyl group (-COOH) and the amino group (-NH2)?
Friday, October 29, 2010 at 12:12am by pls help

biochemistry
What is the approximate charge difference between glutamic acid and acetic acid at pH 9.5?
Monday, September 17, 2012 at 7:41am by derrick

Biochemistry
Do you add Nacl or HCL if your target buffer pH is 8, and the buffer is HEPES
Wednesday, January 30, 2013 at 9:49pm by Dan

biochemistry
I am studying for a midterm. Do you know this answer? what reaction does LDH actually catalize and why is that reaction important?
Friday, February 29, 2008 at 7:25pm by stew

Biochemistry
If 400 mL of 0.1 M NaH2PO4 is mixed with 100 mL of 0.1 M H3PO4, what is the pH of the buffer mixture. The pKa of H3PO4 is 2.1.
Tuesday, October 5, 2010 at 11:17pm by Please Help!!

biochemistry
The ΔG' of the reaction is -5.31 kJ mol1. Calculate the equilibrium constant for the reaction. (Assume a temperature of 25 C.)
Sunday, February 3, 2013 at 11:49am by stoic-rider77

biochemistry
the freezing point of blood serum is about -0.56 deg C. What is the osmotic pressure at 37 deg C?
Friday, June 21, 2013 at 9:40am by Caselyn

Biochemistry
what will be the pH of a buffer prepared by mixing 600 ml of 0.1M sodium acetate solution and 40 ml of 0.2M acetic acid solution
Wednesday, May 25, 2011 at 3:45pm by Lisa

BioChemistry
What and where is the equivalence point? Is it in the beginning of the experiment or at the reaction point?
Wednesday, February 27, 2008 at 4:45pm by Lisa

Biochemistry 1
1. a. What is a polyunsaturated fatty acid? b. What are trans-fatty acids?
Wednesday, April 20, 2011 at 8:49am by Mangetty

biochemistry
What are the three chemical reasons for the large negative energy of hydrolysis of phosphoric acid anhydride linkage for compounds such at ATP, ADP, and pyrophosphate?
Sunday, February 13, 2011 at 4:34am by Anonymous

biochemistry
an intramalecular meds is given at 5.0mg/kg of body weight. if you give 425mg of medicatioon to a pt. what is the ppTIENT weight?
Monday, July 5, 2010 at 6:06pm by andy

biochemistry
Why do you think the proximal and distal histidines are invariant between myoglobin, the alpha subunit and the beta subunit?
Thursday, June 30, 2011 at 9:13pm by Ashley

Biochemistry
The concentration of cholesterol in blood from a fasting individual is reported as 185mg %, where mg% is mg/100 mL. Convert this concentration to moles/Liter.
Tuesday, September 1, 2009 at 9:08pm by Emma

biochemistry
A cellular structure is composed of 20 proteins that have identical structures. How many gene products are required to form this structure?
Wednesday, August 18, 2010 at 4:19pm by edd

Biochemistry
Describe the full preparation of 1.0L 0.2mol/L pH 4.4 acetate buffer. (pka=4.76, Mr Na acetate 82, glacial acetic acid is 17.4mol/L)
Thursday, March 3, 2011 at 5:54am by Tumi

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