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Biochemistry

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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 ...

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 ...

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 ...

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 ...

biochemistry
Is anybody know what is DESTINEDTAFAIL ?

Biochemistry
what's transcription?

( RHIBMS )
Biochemistry

(RHIBMS)
Biochemistry

Biochemistry
How do you find the pH of a 0.2M HCL?

BIOCHEMISTRY
calculate the pOH of 3X106-6M of HF

Biochemistry
How many millimoles are in 500.0 g of alanine (MW = 89?)

Biochemistry
What is the concentration of HNO3 in a solution that has a pH of 3.4?

Biochemistry I
Carbohydrates provide organisms with ..... and .....?

Biochemistry
At what pH is acetic acid 30% ionized?

biochemistry
a. What is the net charge on valine at pH 1? b. at pH 7? c. at pH 14?

Biochemistry
What joins two lipids?

biology
how is the biochemistry of organisms evidence for evolution

Biochemistry
How can I separate glucose and a triacylglycreol mixture? Thanks for any help ,,,,

Biochemistry
Is ATP an allosteric inhibitor for protease?

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%

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%

Biochemistry
could you help me to explain why doesn't the pH change when we dilute it with water? thanks

Biochemistry
Given that ∆Go’ = -15 kJ/mol and k1 = 1.5 X 10-6s-1, calculate k2.

biochemistry
What is the net charge on Phe-Asp at each pH? a. pH 1 b. pH 7 c. pH 14

biochemistry
how could nucleotides be named and what are thier functions?

biochemistry
how could nucleotides be named and what are thier functions?

biochemistry
The amino acid R has how many ionizable protons?

biochemistry
How to prepare 2L of 5.5M HCL solutions from scratch

biochemistry
How would you prepare 50ml of 0.2M HCL

Biochemistry
What is the pH of a 0.1M solution of TRIS in the acid from with pKa =8.3

Biochemistry
Why is DNA not soluble in ethanol, on a molecular level?

Biochemistry
When do plants carry out aerobic respiration

biochemistry
What amino acids have no chiral atoms?

BIOCHEMISTRY
BY CALCULATIONS HOW WOULD I PREPARE 200ml of 80% GLYCEROL (V/V)

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%

biochemistry
does wheat gluten have any carbs or glucose in it?

biochemistry
what is the ph of 1.0 m acetic acid and 1.0 sodium acetate. (ka=1.8x10-5)

Biochemistry
I have a 1/40 dilution as 19.18 mg/ml. how would i get back to the original solution?

Biochemistry
What physical properties are different for the isomers of C4H10? Explain.

Biochemistry
How is it that cortisol stimulates glycogen synthesis and gluconeogenesis? Isn't that contradictory?

BioChemistry
Write the oxidation equation for sec-butyl alcohol. How do I do this?

BioChemistry
Write the oxidation equation for sec-butyl alcohol. How do I do this?

Biochemistry
Calculate the deltaG0 for the oxidation of ethanol by NAD+. Urgent Thank You

Biochemistry
What is the pH after 5 mL of 0.1M NaOH has been added to 25 mL of 0.2M acetic acid?

Organic biochemistry
How to draw the skeleton structure for diethylammonium bromide?

Biochemistry
Why we cool the tube in anthrone test then observe the color

BioChemistry
how many moles of estradiol (mw = 272) are there in 2 ml of a 100 μm solution

Biochemistry
Can anyone help?? What are the Concentrations of the various ionic species of a 0.1 M solution of lysine at pH4?

biology
A scientist comparing organisms, in terms of biochemistry, might analyze ?

biochemistry
how do you make a 200ml of a 0.1M solution that has a molecular weight of 121.1g/mol

biochemistry
all three sugars have the formula C6H12O6. what does this reduce to

Biochemistry
What is the new pH when 1mL of 1M HCl os added to 5mL of 0.1M Phosphate buffer (pH 7.4)?

biochemistry
pls help! discuss the effect of acids and alkalis on DNA & RNA. Thanks.

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%

Biochemistry
If you want to lose 1 pound of "fat," which is 20% water, how many kilocalories do you need to expend?

biochemistry
discuss at least six factors affecting the performance of an enzyme. Thank you.

biochemistry
how to calculate a primary standard buffer using Kh2po4 and Na2Hpo4..

Biochemistry
If you make up a solution of 100mL of 0.1 M Hepes in the basic form, what will be the pH? pKa = 7.55

biochemistry
how do I calculate rate velocity using absorbence at 412/ min-1.

biochemistry
What mass of CH3COONa must be added to 50.0 mL of 0.50 M CH3COOH to make a solution of pH 6.0 ?

Biochemistry
Why are Km values of enzymes typically at or near the cellular substrate concentration?

biochemistry
What is the concentration of H+ in a solution of 0.2 M NaOH? i got [H+] = 5x10^-14, is this correct? all i did was [H+][OH-] = Kw

Biochemistry
Which two ionization states of lysine are present at pH 7 in what and ratio? Show calculation

biochemistry
show how to convert cyclohexanol to these compounds? a) cyclohexene b) cyclohexane c) cyclohexanone d) bromocyclohexane

biochemistry
Calculate the pH change of 10mL of HCl added to 1M phosphate buffer in 1L with initil pH of 7.2?

biochemistry
Trypsin can also hydrolyze N-alpha-benzoyl-L-lysine-p-nitroanilide. TrueFalse

biochemistry
explain the role of protein misfolding and aggregation in bovine spongeform encephalopathy

biochemistry
What is the number of ATP molecules produced by the beta oxidation of eicosanoic acid?

Science Biochemistry
List 3 ways the production of energy from nutrients is regulated in the body.

Biochemistry
Are cytosine and Tyrosine the only amino acids that are ionized R-group chains at pH of 7?

organic biochemistry
Calculate the number of moles of ZnCl2, in 100. mL of 0.600M solution.

biochemistry
What happens if I try to make a pH 6 buffer by diluting 0.100 M HCL (aq) with water .

Biochemistry
How were the 3 coupling sites in phosphorylation discovered using ETC poisons and artificial electron acceptors?

Biochemistry
Is the substrate level phosphorylation (of succinate) spontaneous under conditions that exist in the mitochondria?

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?

BIOCHEMISTRY
WHAT METHOD CAN BE USED TO PREPARE 0.2M POTASSIUM PHOSPHATE BUFFER USING KH2PO4 AND KOH?

Biochemistry
Do you know what the line angle formula for the tripeptide Ser-Ala-Asp as it would appear at pH 7?

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?

Biochemistry
Preform dilution calculations for 10 ml of 2 M stock solution. Molecular weight for the component is 48.6 g / mol

Biochemistry
Please help! i was wondering why a genome size determined in a lab would be smaller than that of the actual. thanks

Biochemistry
Calculate the mass (in g) of solid potassium hydroxide required to prepare: a) 1.75 litres of a solution with pH 11.5

Biochemistry
What kind of isomers can amino acids form? Which isomer is present in most living organisms?

science
What is the order analytical method fundamental to ? I know two of them are taxonomy, biochemistry. I need to know the third one.

biochemistry
ordered 1.0g of tetracycline to be given every 6 hours. on hand 500mg. how many will we need for 1 days treatment?

BIOCHEMISTRY
WHAT CONCENTRATION OF SOLUTION DO YOU GET IF YOU DISSOLVE 45G OF GLUCOSE (MOLECULAR WEIGHT =180) IN 500ML OF WATER?

Biochemistry
What is the net ionic equation for Phosphate ion + ammonium molybdate in the presence of nitric acid?

medicine
can some one tell me from where can i download free medical ebooks for biochemistry,physiollogy and embryology???

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...

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

Biochemistry
Which solutions, animal or plant, were more suitable to resisting pH change? Why do you think this is the case? Explain.

Biochemistry
Which solutions, animal or plant, were more suitable to resisting pH change? Why do you think this is the case? Explain.

Biochemistry
For dialysis, why is leaving it overnight a more adopted practise than measuring the sample during the lab period?

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

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?

biochemistry
Biochemical macromolecule lab, wheat gluten was tested with glucose? is that possible it emitted a blue color.

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?

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

biochemistry
calculate the isoelectric point of each of the following amino acids: glutamic acid, serine, histidine, lysine, tyrosine, and arginine

biochemistry
4) phosphofructokinase-1 strongly inhibited by an ATP analog in which the oxygen atom joining the ƒÒ- and ƒ×-phosphorus atoms is replaced with a methylene group?

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...

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