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Boreading Cell Biology

Make me a cheat sheet for the final.

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Cheat sheetCell Biology · Final
Cheat sheet·3 sections · one page

Core stages

Glycolysis — Glucose → 2 pyruvate in the cytoplasm. Nets 2 ATP.

Aerobic respiration

C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O

Yield: ≈ 30 to 32 ATP per glucose.

Lecture 5 · p. 3

Glycolysis vs Krebs

Glycolysis

Cytoplasm · 2 ATP

Krebs cycle

Matrix · loads carriers

Don't confuse Krebs with the ETC. Krebs loads NADH and FADH₂; the ETC spends them.

Acetyl-CoA — The 2-carbon link feeding the cycle.

Lecture 5 · p. 6

Oxygen & yield

O₂ is used only at the end of the ETC, not in glycolysis or Krebs.

Final acceptor — O₂ accepts spent electrons, forming water.

Carrier yield

NADH ≈ 2.5 ATP · FADH₂ ≈ 1.5 ATP

Lecture 6 · p. 2

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Cheat sheet·2 sections · one page

Core stages

Glycolysis — Glucose → 2 pyruvate in the cytoplasm. Nets 2 ATP.

Aerobic respiration

C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O

Lecture 5 · p. 3

Glycolysis vs Krebs

Glycolysis

Cytoplasm · 2 ATP

Krebs cycle

Matrix · loads carriers

Don't confuse Krebs with the ETC. Krebs loads NADH and FADH₂; the ETC spends them.

Lecture 5 · p. 6
Cheat sheet·3 sections · one page

Core stages

Glycolysis — Glucose → 2 pyruvate in the cytoplasm. Nets 2 ATP.

Aerobic respiration

C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O

Yield: ≈ 30 to 32 ATP per glucose.

Lecture 5 · p. 3

Glycolysis vs Krebs

Glycolysis

Cytoplasm · 2 ATP

Krebs cycle

Matrix · loads carriers

Don't confuse Krebs with the ETC. Krebs loads NADH and FADH₂; the ETC spends them.

Acetyl-CoA — The 2-carbon link feeding the cycle.

Lecture 5 · p. 6

Oxygen & yield

O₂ is used only at the end of the ETC, not in glycolysis or Krebs.

Final acceptor — O₂ accepts spent electrons, forming water.

Carrier yield

NADH ≈ 2.5 ATP · FADH₂ ≈ 1.5 ATP

Lecture 6 · p. 2
Cheat sheet·4 sections · one page

Core stages

Glycolysis — Glucose → 2 pyruvate in the cytoplasm. Nets 2 ATP.

Aerobic respiration

C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O

Yield: ≈ 30 to 32 ATP per glucose.

Chemiosmosis — Proton gradient drives ATP synthase.

Lecture 5 · p. 3

Glycolysis vs Krebs

Glycolysis

Cytoplasm · 2 ATP

Krebs cycle

Matrix · loads carriers

Don't confuse Krebs with the ETC. Krebs loads NADH and FADH₂; the ETC spends them.

Acetyl-CoA — The 2-carbon link feeding the cycle.

Both: Produce NADH for the electron transport chain.

Lecture 5 · p. 6

Oxygen & yield

O₂ is used only at the end of the ETC, not in glycolysis or Krebs.

Final acceptor — O₂ accepts spent electrons, forming water.

Carrier yield

NADH ≈ 2.5 ATP · FADH₂ ≈ 1.5 ATP

No O₂?: Fermentation regenerates NAD⁺, nets just 2 ATP.

Lecture 6 · p. 2

Exam traps

The Krebs cycle makes little ATP directly. Its real job is loading carriers.

Tip: Track the electrons, not just the carbons.

Substrate-level — Direct ATP made in glycolysis and Krebs.

Aerobic

~32 ATP

Anaerobic

2 ATP

Lecture 6 · p. 8
Cheat sheet·3 sections · one page

Core stages

Glycolysis — Glucose → 2 pyruvate in the cytoplasm. Nets 2 ATP.

Aerobic respiration

C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O

Yield: ≈ 30 to 32 ATP per glucose.

Lecture 5 · p. 3

Glycolysis vs Krebs

Glycolysis

Cytoplasm · 2 ATP

Krebs cycle

Matrix · loads carriers

Don't confuse Krebs with the ETC. Krebs loads NADH and FADH₂; the ETC spends them.

Acetyl-CoA — The 2-carbon link feeding the cycle.

Lecture 5 · p. 6

Oxygen & yield

O₂ is used only at the end of the ETC, not in glycolysis or Krebs.

Final acceptor — O₂ accepts spent electrons, forming water.

Carrier yield

NADH ≈ 2.5 ATP · FADH₂ ≈ 1.5 ATP

Lecture 6 · p. 2

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FAQ

Questions, answered.

A cheat sheet is a dense one-pager for cramming and open-book exams. It is the bare facts, formulas, and definitions, packed tight. A study guide teaches the topic with full prose and self-check questions. Reach for a cheat sheet to cram, a guide to learn.

From your own course. Bo reads the lectures and readings you upload and condenses the key points your class covers, with the page behind each section, so it is not a generic formula sheet off the web.

Your call. Essential keeps only the bare bones for a final-night cram. Balanced is the default. Comprehensive packs in everything for an open-book exam. You can also bias it toward formulas, definitions, or comparisons.

Yes. Formulas and math render properly, laid out as named equations, so you get clean notation instead of broken symbols.

Yes. The PDF lays the sheet out in dense columns and auto-scales to fill an A4 page without spilling over, so you get a true one-page cheat sheet you can print.

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