Flashcards For NEET Biology - Respiration in Plants

Flashcards for NEET Biology are designed to boost your NEET preparation. Find below flashcards for Respiration in Plants. These flashcards on Respiration in Plants are prepared as per the NEET syllabus. This is helpful for aspirants of NEET and other exams during last-minute revision. Flashcards For NEET Biology – Respiration in Plants, covers all the important points that are frequently asked in the exam. Check BYJU’S for the full set of Flashcards and Study material for NEET Biology. Solve NEET Biology MCQs to check your understanding and outperform in the exam.

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Respiration in Plants

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Respiration in Plants


EMP (Embden Meyerhof Parnas) pathway

Occurs in cytoplasm

Common step in both aerobic and anaerobic respiration

Hexose is converted to two molecules of pyruvate

Aerobic respiration

1. Glycolysis (Cytoplasm)

2. Pyruvate to acetyl CoA by pyretic dehydrogenase (mitochondrial matrix)

3. TCA or Krebs cycle (mitochondrial matrix)

Alcoholic Fermentation

Pyruvic acid to ethanol and CO2

Enzymes- pyruvic acid decarboxylase and alcohol dehydrogenase

Lactic acid fermentation

Pyruvic acid to lactic acid

In muscles and some bacteria

Enzyme- lactate dehydrogenase

Tricarboxylic acid cycle (TCA)

Hans Krebs (Krebs cycle)

Citric acid cycle- In the first step OAA reacts with acetyl CoA to produce citric acid

Net gain of ATP per glucose in aerobic respiration

36 or 38 ATP

Glycolysis- 6 or 8 ATP (2 ATP and 2 NADH)

Transition reaction- 6 ATP (2 NADH)

TCA- 24 ATP (2 GTP, 6 NADH, 2 FADH2)

Decarboxylation reactions

Pyruvate to acetyl CoA

Isocitrate to 𝛼-ketoglutarate

𝛼-ketoglutarate to succinyl CoA

Substrate level phosphorylation (ATP production)

Glycolysis- 1,3-bisphosphoglyceric acid to PGA

PEP to Pyruvic acid

TCA- succinyl CoA to Succinate (GTP is produced)

Electron transport system (ETS)

Inner mitochondrial membrane

Complex I- NADH dehydrogenase (FMN, Fe-S)

Complex II- Succinate dehydrogenase (FAD, Fe-S)

Complex III- Cytochrome bc1

Complex IV- Cytochrome c oxidase (cyt a, a3, two Cu)

Complex V- ATP synthase (F0, F1)

Mobile electron carrier

Cytochrome C and ubiquinone (UQ)

Respiratory quotient

Carbohydrate- 1

Fat- 0.7

Protein- 0.9

Net gain of ATP in fermentation


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