CHAPTER 2 NOTES
Organisms are composed of matter: anything that takes up space and has mass.
Matter is made up of elements: a substance that cannot be broken down to other
substances by chemical reactions.
o 92 elements occurring in nature
CHAPTER 6 QUESTIONS
1. LM usually stains with various dyes while EM stains using heavy metals. These differ
because the cell needs to be dead to be stained by heavy metals while they do not for
a. I would use a LM because we need to e
CHAPTER 1 NOTES
An organisms adaptations to its environment are the result of evolution
Evolution: the process of change that has transformed life on Earth from its earliest
beginnings to the diversity of organisms living today
Biology: the scientific stu
CHAPTER 6 REVIEW QUESTIONS
How We Study Cells
1. Distinguish between magnification and resolution.
Magnification is the ratio of an objects image size to its real size while resolution is a
measure of the clarity of the image: the minimum distance two poi
CHAPTER 4 & 5 NOTES
Phosphate: -OPO32Methyl: -CH3
ATP (adenosine triphosphate): the energy currency of cells
The Molecules of Life
The most important large molec