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Biochemistry, Biology, Chemistry

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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 ...

biology
how is the biochemistry of organisms evidence for evolution

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

chemistry
How do you make a venn diagram of the 6 branches of chemistry? (Inorganic chemistry, organic chemistry, biochemistry, nuclear chemistry, physical chemistry, and analytical chemistry) like where would they go in the 3 circles

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?

biology/biochemistry
Why should we carry the Western blot in the low temperature while we were transferring SDS-PAGE information to the PVDF membrane?

Sta 112
This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and biology but not ...

math
A school has 63 students studying Physics, Chemistry and Biology. 33 study Physics, 25 Chemistry and 26 Biology. 10 study Physics and Chemistry, 9 study Biology and Chemistry while 8 study both Physics and Biology. Equal numbers study all three subjects as those who learn none...

Biochemistry, Biology, Chemistry
An enzyme works on two substrates, S1 and S2. Its Km for S1 is 100mM and its Km for S2 is 10mM. Based on this information, answer the following questions: 1. For a given [E] will it have a higher Vmax for S1 or S2? Explain your answer 2. Is S1 or S2 a better substrate for the ...

math
In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also,4 of them offer physics and chemistry but not biology,3 offer physic and biology but not chemistry,6 offer biology and chemistry but not physics if 13 of them offer physics only how...

maths
In a class of 80 students, 53 study Art, 60 study Biology, 36 study Art and Biology, 34 study Art and Chemistry, 6 study Biology only and 18 study Biology but not Chemistry. Illustrate the information on a Venn diagram. Determine the number of students who study (I) Arts only...

Math
In a class of 100 students, 40 offer Biology and 10 offer Chemistry and Biology .10 offer Physics and Chemistry , and 30 offer Physic and Biology . Each student offer at least one of the three subjects. The number of students who offer Biology is equal to those who offer ...

Math
Out of 300 student in final year in senior secondary school, 200 are offering biology and the150 offering chemistry how many are offering neither biology nor chemistry

Chem
why is an understanding of chemistry important in biology? All digestion, nutrition, muscle usage/reactions, cell division/reproduction, and all of the enzymatic processes at work in the body are chemisty. Even eyesight is a chemical reaction. So you need to know something ...

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 ...

Maths
In a class of 80 students,53 study Art,60 study biology,36 study Art and biology,34 study Art and chemistry,6 study biology but not chemistry.Illustrate the information on a Venn diagram.Determine the number of students who study Art only And Chemistry only

math
In a class of 80 students,53 study Art,60 study biology,36 study art and biology,34 study art and chemistry,6 study biology and 18 study biology but not chemistry.Determine the number of students who study =Art only =Chemistry only

Biology
Is there any biology websites for teens??? (NOT games! notes and quizzes to practice). The Science of Biology The Chemistry of Life Cell Structure and Function Photosynthesis & Respiration Something REALLY easy to understand(btw I'm going to the 9TH GRADE). please help (having...

biology
how does concepts of chemistry affect biology?

probability
The probability that a student passes Biology is 0.35 and the probability to pass Chemistry is 0.63. If the probability to pass both Biology and Chemistry is 0.4, what is the probability that he will pass either Biology or Chemistry?

Math
At small town high there are 100 students,each of whom takes atleast one of Biology,Chemistry,or physics.There are 50 student in Biology,60 in chemistry,and 70 in Physics.If 24 students are enrolled in exactly two of the classes,how many students are in all three?

Math
At Small Town High there are 100 students, each of whom takes at least one of biology, chemistry, or physics. There are 50 students in biology, 60 in chemistry, and 70 in physics. If 24 students are enrolled in exactly two of these classes, how many students are in all three?

bio101
2. Find a media piece—article, video, presentation, song, or other—that recognizes the fundamental concepts of chemistry in biology. Include the link or reference citation for the piece and describe how it helped you better understand how fundamental concepts of chemistry ...

English
1. He is absorbed in biology. 2. He is very interested in biology. 3. He is into biology. ----------------- Are they all the same in meaning?

AP BIOLOGY
I have a quiz on genetics on friday in AP Biology and I would like some sites with good ap biology questions on them. I don't know any of them which I could go to.

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 ...

MATHS
in a class of 60 students,the number of students who pass biology is 6 more than the number who pass chemistry.every student passed at least one of the two subject.how many pass in only biology.how many pass in only chemistry.

Biology
Is 9th grade biology hard? Is it interesting...?? I love life science but I just wondering if 9th grade biology hard??? I'm taking biology next year.

Science
I'm really bad at Biology and Science in general. Chemistry and Physics will be difficult for me because I'm not good at the Science branch even though I study and work hard for Science/Biology. What can I do to improve?

math
A textbook store sold a combined total of 462 biology and chemistry textbooks in a week. The number of biology textbooks sold was two times the number of chemistry textbooks sold. How many textbooks of each type were sold?

chemistry/biochemistry
How can we calculate the HCO3- (bicarbonate ion) concentration in water in 25C pH7.0? I think we can use PV=nRT equation, but I am not sure. If pH is changed from 7.5 to 6.5 ( around pka 6.3 of CO2), how can change the HCO3- concentration? Thanks in advance.

biochemistry
Is anybody know what is DESTINEDTAFAIL ?

Biochemistry
what's transcription?

( RHIBMS )
Biochemistry

(RHIBMS)
Biochemistry

Biology
The allostery of an enzyme governor is likely to take two forms.They are? A.active and regulatory B. rigid and flexible c. active and passive e. regulatory and relaxed http://en.allexperts.com/q/Biology-664/biology-73.htm

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

ART Check
How would a visual effects designer working on an animated movie with human characters best use knowledge of biology? Knowledge of biology can help the designer to create accurate human features.**** Knowledge of biology can help the designer to create an action packed film ...

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?

Enriched science
What is the goal of synthetic biology? A. The goal of synthetic biology is to mimic living cells B. The goal of Synthetic biology is to generate new tissues to replace damage tissues C. The goal of synthetic biology is to engineer living cells to perform specific functions D. ...

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

maths
In a class of 60 students,the number of students who passed biology is 6 more than the number who passed chemistry.Every student passed at least one of the two subjects.i.how many students passed biology ii.how many students passed chemistry iii.how many students passed only ...

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

biology tutor on jiskha
i post my biology questions here today and few days ago no teacher reply. there not any biology tutor on here?

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

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.

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