ATHANASIOS T. GCSE Biology tutor, IB Biology tutor, A Level Biology t...

ATHANASIOS T.

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Law LLB (Bachelors) - Bristol University

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About me

I am Biological Science graduate and currently a law student aspiring lawyer with an interest in science ethics and intellectual property. I am currently studying for my second degree at the University of Bristol law school. I have a passion for volunteering and helping others. After I got my first degree, I focused on A-level biology tutoring and I volunteered with the Red Cross. Through my tutoring work, I am hoping to inspire students and help them develop an interest for the subject.

I am Biological Science graduate and currently a law student aspiring lawyer with an interest in science ethics and intellectual property. I am currently studying for my second degree at the University of Bristol law school. I have a passion for volunteering and helping others. After I got my first degree, I focused on A-level biology tutoring and I volunteered with the Red Cross. Through my tutoring work, I am hoping to inspire students and help them develop an interest for the subject.

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Qualifications

SubjectQualificationGrade
BiologyA-level (A2)A
ChemistryA-level (A2)A
GreekA-level (A2)A
BSc in Biological SciencesDegree (Bachelors)2.2

General Availability

Pre 12pm12-5pmAfter 5pm
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tuesdays
wednesdays
thursdays
fridays
saturdays
sundays

Subjects offered

SubjectQualificationPrices
BiologyA Level£20 /hr
LawA Level£20 /hr
BiologyGCSE£18 /hr
LawGCSE£18 /hr
BiologyIB£20 /hr

Questions ATHANASIOS has answered

What is Krebs cycle and what is its role in aerobic respiration

Krebs cycle is a series of reactions that take place in the mitochondria of most living cells and result in the production of energy during aerobic respiration. During Krebs cycle oxygen is metabolised to produce carbon dioxide and water as waste products and ADP is converted to ATP which is the enrgy currency of the cell

During Krebs cycle, citrate (six-carbon melecule mae of oxaloacetate and acetyl CoA) is gradually broken down to reform oxaloacetate (four-carbon acceptor molecule)

To summarize

Two molecules of CO2 are produced

One molecule of ATP is formed

Three molecules of NAD+ are combined with hydrogen (NAD+ → NADH)

One molecule of FAD combines with hydrogen (FAD → FADH2)

Since two acetyl-CoA molecules are produced from each glucose molecule, two cycles are required per glucose molecule. Therefore, at the end of two cycles, the products are: two ATP, six NADH2, two FADH2 two QH2 (ubiquinol) and four CO2.

Krebs cycle is a series of reactions that take place in the mitochondria of most living cells and result in the production of energy during aerobic respiration. During Krebs cycle oxygen is metabolised to produce carbon dioxide and water as waste products and ADP is converted to ATP which is the enrgy currency of the cell

During Krebs cycle, citrate (six-carbon melecule mae of oxaloacetate and acetyl CoA) is gradually broken down to reform oxaloacetate (four-carbon acceptor molecule)

To summarize

Two molecules of CO2 are produced

One molecule of ATP is formed

Three molecules of NAD+ are combined with hydrogen (NAD+ → NADH)

One molecule of FAD combines with hydrogen (FAD → FADH2)

Since two acetyl-CoA molecules are produced from each glucose molecule, two cycles are required per glucose molecule. Therefore, at the end of two cycles, the products are: two ATP, six NADH2, two FADH2 two QH2 (ubiquinol) and four CO2.

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1 year ago

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