Introduction to the Chemistry of Biology
An Element is a type of atom as defined by its
Atomic Number = the number of protons in the
nucleus of an atom.
Lab #3 Key Points
Understand the relationship between magnification and the
microscopes field of view.
Estimate the approximate size of objects viewed under
various levels of magnification.
Understand and use metric measurements.
Active vs. Passive Transport
Active Transport Requires energy to move specific substances across the cell
Passive Transport Does not require en
Enzymes and Enzyme-mediated Reactions
Catalyst increases the rate at which a chemical reaction takes
place and is not consumed during the chemical reaction.
Enzymes Proteins that act as biological catalysts. Enzymes
lower the activ