If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Unit: Cellular energetics

AP Bio:
ENE (BI)
,
ENE‑1 (EU)
,
SYI (BI)
,
SYI‑3 (EU)

0

Possible mastery points

Enzyme structure and catalysis

AP Bio:
ENE (BI)
,
ENE‑1 (EU)
,
ENE‑1.D (LO)
,
ENE‑1.D.1 (EK)
,
ENE‑1.D.2 (EK)
,
ENE‑1.E (LO)
,
ENE‑1.E.1 (EK)
Learn
Enzymes
(Opens a modal)
Activation energy
(Opens a modal)
Enzymes and the active site
(Opens a modal)
Enzymes review
(Opens a modal)
Practice
Enzyme structure and catalysisGet 3 of 4 questions to level up!

Environmental impacts on enzyme function

AP Bio:
ENE (BI)
,
ENE‑1 (EU)
,
ENE‑1.F (LO)
,
ENE‑1.F.1 (EK)
,
ENE‑1.F.2 (EK)
,
ENE‑1.G (LO)
,
ENE‑1.G.1 (EK)
,
ENE‑1.G.2 (EK)
,
ENE‑1.G.3 (EK)
,
ENE‑1.G.4 (EK)
Learn
Enzymes review
(Opens a modal)
Enzyme reaction velocity and pH
(Opens a modal)
Competitive inhibition
(Opens a modal)
Noncompetitive inhibition
(Opens a modal)
Enzyme regulation
(Opens a modal)
Basics of enzyme kinetics graphs
(Opens a modal)
Practice
Environmental impacts on enzyme functionGet 3 of 4 questions to level up!

Cellular energy

AP Bio:
ENE (BI)
,
ENE‑1 (EU)
,
ENE‑1.H (LO)
,
ENE‑1.H.1 (EK)
,
ENE‑1.H.2 (EK)
,
ENE‑1.H.3 (EK)
Learn
First Law of Thermodynamics introduction
(Opens a modal)
Second Law of Thermodynamics and entropy
(Opens a modal)
Reaction coupling to create glucose-6-phosphate
(Opens a modal)
ATP and reaction coupling
(Opens a modal)
Introduction to metabolism: Anabolism and catabolism
(Opens a modal)
Overview of metabolism
(Opens a modal)
Practice
Cellular energyGet 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 300 Mastery points

Photosynthesis

AP Bio:
ENE (BI)
,
ENE‑1 (EU)
,
ENE‑1.I (LO)
,
ENE‑1.I.1 (EK)
,
ENE‑1.I.1.i (EK)
,
ENE‑1.I.2 (EK)
,
ENE‑1.J (LO)
,
ENE‑1.J.1 (EK)
,
ENE‑1.J.2 (EK)
,
ENE‑1.J.3 (EK)
,
ENE‑1.J.4 (EK)
,
ENE‑1.J.5 (EK)
Learn
Photosynthesis
(Opens a modal)
Intro to photosynthesis
(Opens a modal)
Breaking down photosynthesis stages
(Opens a modal)
Conceptual overview of light dependent reactions
(Opens a modal)
The light-dependent reactions
(Opens a modal)
The Calvin cycle
(Opens a modal)
Photosynthesis evolution
(Opens a modal)
Photosynthesis review
(Opens a modal)
Practice
PhotosynthesisGet 3 of 4 questions to level up!

Cellular respiration

AP Bio:
ENE (BI)
,
ENE‑1 (EU)
,
ENE‑1.K (LO)
,
ENE‑1.K.1 (EK)
,
ENE‑1.K.2 (EK)
,
ENE‑1.K.3 (EK)
,
ENE‑1.L (LO)
,
ENE‑1.L.1 (EK)
,
ENE‑1.L.2 (EK)
,
ENE‑1.L.3 (EK)
,
ENE‑1.L.4 (EK)
,
ENE‑1.L.5 (EK)
,
ENE‑1.L.6 (EK)
,
ENE‑1.L.7 (EK)
Learn
Cellular respiration introduction
(Opens a modal)
Introduction to cellular respiration and redox
(Opens a modal)
Steps of cellular respiration
(Opens a modal)
Overview of cellular respiration
(Opens a modal)
Oxidative phosphorylation and the electron transport chain
(Opens a modal)
Oxidative phosphorylation
(Opens a modal)
Fermentation and anaerobic respiration
(Opens a modal)
ATP synthase
(Opens a modal)
Practice
Cellular respirationGet 3 of 4 questions to level up!

Fitness

AP Bio:
SYI (BI)
,
SYI‑3 (EU)
,
SYI‑3.A (LO)
,
SYI‑3.A.1 (EK)
,
SYI‑3.A.2 (EK)
Learn
Molecular variation
(Opens a modal)
Practice
FitnessGet 5 of 6 questions to level up!

Quiz 2

Level up on the above skills and collect up to 300 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 600 Mastery points!
Biology is brought to you with support from the Amgen Foundation
AP® is a registered trademark of the College Board, which has not reviewed this resource.