Eleanor H.

Eleanor H.

£22 - £24 /hr

Studying: Biochemistry (Bachelors) - Bristol University

4.9
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Trusted by schools

57 reviews| 181 completed tutorials

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About me

ABOUT ME: I am a biochemistry student, currently studying at the University of Bristol, and have had a passion for the natural sciences from a very young age. I am patient, hardworking and experienced, having tutored students in Maths and science throughout my last two years of high school. THE SESSIONS: The tutoring sessions will be very much geared towards the student; we will work in areas in which you feel the least comfortable, in order to develop the understanding necessary to complete the work with ease. I will do my best to use as many methods as possible in order to help you understand the work we will cover; whether through videos, diagrams or simple discussion. I hope to make my sessions both effective and enjoyable! I am looking forward to hearing from you. 

ABOUT ME: I am a biochemistry student, currently studying at the University of Bristol, and have had a passion for the natural sciences from a very young age. I am patient, hardworking and experienced, having tutored students in Maths and science throughout my last two years of high school. THE SESSIONS: The tutoring sessions will be very much geared towards the student; we will work in areas in which you feel the least comfortable, in order to develop the understanding necessary to complete the work with ease. I will do my best to use as many methods as possible in order to help you understand the work we will cover; whether through videos, diagrams or simple discussion. I hope to make my sessions both effective and enjoyable! I am looking forward to hearing from you. 

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14/02/2017

Ratings & Reviews

4.9from 57 customer reviews
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Debbie (Parent)

November 16 2017

Beth learning loads - fab teacher

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Debbie (Parent)

November 12 2017

Really pleased with lesson content - very efficient and knowledgable - daughter very happy with everything taught

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Bethany (Student)

November 12 2017

very helpful

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Pamela (Parent)

November 10 2017

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Qualifications

SubjectQualificationGrade
BIOLOGY (HL)International Baccalaureate (IB) (HL)7
CHEMISTRY (HL)International Baccalaureate (IB) (HL)6
MATHEMATICS (HL)International Baccalaureate (IB) (HL)6
ECONOMICS (HL)International Baccalaureate (IB) (HL)5
ENGLISH LITERATURE (SL)International Baccalaureate (IB) (SL)6
FRENCH B (SL)International Baccalaureate (IB) (SL)6

General Availability

Before 12pm12pm - 5pmAfter 5pm
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saturdays
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Subjects offered

SubjectQualificationPrices
BiologyA Level£24 /hr
ChemistryA Level£24 /hr
BiologyGCSE£22 /hr
ChemistryGCSE£22 /hr
MathsGCSE£22 /hr
BiologyIB£24 /hr
ChemistryIB£24 /hr

Questions Eleanor has answered

Explain the difference between competitive and noncompetitive enzyme inhibitors.

An enzyme is a biological catalyst - in other words it is a protein which speeds up the rate of biological reactions without being used up itself. Enzyme action can be affected by compounds called inhibitors- molecules that bind to the enzyme to decrease its actvity. There are two type of inhibitors; competitive and non-competitive.

Competitive inhibitors are molecules which have similar chemical structure to the enzyme's substrate, and can therefore bind to the enzyme's active site.  Competitive inhibitors 'compete' with the substrate to bind to the active site.

Non-competitive inhibitors bind to an enzymes allosteric site (a binding site separate from the active site). In doing so they change the conformation of the active site, thus preventing the enzyme from binding to its specific substrate. 

An enzyme is a biological catalyst - in other words it is a protein which speeds up the rate of biological reactions without being used up itself. Enzyme action can be affected by compounds called inhibitors- molecules that bind to the enzyme to decrease its actvity. There are two type of inhibitors; competitive and non-competitive.

Competitive inhibitors are molecules which have similar chemical structure to the enzyme's substrate, and can therefore bind to the enzyme's active site.  Competitive inhibitors 'compete' with the substrate to bind to the active site.

Non-competitive inhibitors bind to an enzymes allosteric site (a binding site separate from the active site). In doing so they change the conformation of the active site, thus preventing the enzyme from binding to its specific substrate. 

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2 years ago

1749 views

Explain how amino acids could be identified using gel electrophoresis

The sample of amino acids is placed in the center of a polyacrylamide gel, across which a voltage is applied. Depending on the pH of the buffer, the amino acids will move at different rates towards either the positive or negative electrodes . Amino acids will stop moving once they have reached their isoelectric point- the pH at which amino acids have no overall charge. When separation is complete, the amino acids are sprayed with ninhydrin and can be identified by comparing the distance traveled with known standards. 

The sample of amino acids is placed in the center of a polyacrylamide gel, across which a voltage is applied. Depending on the pH of the buffer, the amino acids will move at different rates towards either the positive or negative electrodes . Amino acids will stop moving once they have reached their isoelectric point- the pH at which amino acids have no overall charge. When separation is complete, the amino acids are sprayed with ninhydrin and can be identified by comparing the distance traveled with known standards. 

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2 years ago

729 views

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