Energy in Living Systems

Energy Metabolism I: An introduction

by David Warmflash, MD, Nathan H Lents, Ph.D.

Further Exploration

Cellular respiration

From June B. Steinberg, Ph.D. at National-Louis University



Hans Krebs (1900-1981)

News & Events

Cells control energy metabolism via hedgehog signalling pathway - Discovery by scientists from the Max Planck Institute of Immunobiology and Epigenetics and the Medical University of Vienna of a new molecular circuit controlling cellular metabolism.

More power to the mitochondria

MedicalXpress - Report on research at NYU Langone Medical Center that mitochondria, the major energy source for most cells, also play an important role in stem cell development.

Nature rejects Krebs's paper, 1937

The Scientist - by Brendan Borrell about the journal Nature rejecting Krebs’s 1937 paper.


Google Scholar

Google - Research database allows searching of the scholarly literature.


Virtual cell animation collection

From the Molecular & Cellular Biology Education Project, a collection of animations on the citric acid cycle, glycolysis, and more.

Biochemical interactive animations

Wiley - includes animations on the citric acid cycle, glycolysis, and more.

Next Generation Science Standards (NGSS)

Next Generation Science Standards: For States, By States

National Academies Press: A Framework for K-12 Science Education