bio lecture 2. material composition organisms

bio lecture 2. material composition organisms - 8/22/2011...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
8/22/2011 1 Material Composition of Organisms Dr. Mark Holbrook Acknowledgements This powerpoint and the last powerpoint were largely the product of Dr. John Menninger a former lecturer in this course . • Essential elements - Atoms • Chemical bonds o Covalent o Ionic o Van der Waals o Hydrogen • Shape of molecules • Water o Solvent o Dissociation and pH Material Composition of Organisms
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
8/22/2011 2 Metabolic Aspects of Life • Atoms that make up living matter are not permanent residents • Life is a process with continuous input and output of both matter and energy • There is a continuous turnover of matter in your body; you are not a static structure but are in fact dynamic. Hierarchy of Biological Organization • Ecosystem Organism Organs Tissues Cells Organelles Molecules Atoms • Reductionism • Parts • Interactions – Emergent properties Essential Elements of Life • ~25 out of the total 92 are required: o Structure o Function o Replacement and growth • Need continuous supply • Major – H, O, C, N (96% of total, by weight)
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/11/2011 for the course BIO 010 taught by Professor Holbrook during the Spring '11 term at Iowa State.

Page1 / 10

bio lecture 2. material composition organisms - 8/22/2011...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online