Chapter 4 Flashcards
Characteristics of Life
HOMGARR
general concept of respiration
to extract energy from biomolecules. It consumes oxygen, and produced carbon dioxide and water.
Energy, the ability to do work, what 3 kinds of work?
Mechanical work, chemical work, transport work
Chemical Work
The making and breaking of chemical bonds
Transport work
Moving of ions, molecules, particles through the membrane. Useful for making concentration gradients.
Mechanical work
used for movement on the cellular level. Movement in the cell, the cell changing shape, flagella and cilia beating…
2 types of energy and their meaning.
Kinetic energy=motion
potential energy=stored
What is Bioenergetics?
The study of energy flow through systems.
What gets reactions started?
Activation Energy
If the free energy of the product is lower than the free energy of the reactants, the reaction releases energy called…?
EXergonic (energy producing/out)
Endergonic?
Energy in. Require Energy. Receives acquired energy from high energy electrons on nucleotides.
A chemical reaction that can proceed in both directions
reversible reaction
