A | B |
organic compounds | have carbon |
inorganic compounds | don't have carbon |
proteins | large organic molecules with carbon |
amino acides | what proteins are made up of |
element | cannot be broken down |
compound | when two or more elements combine |
atom | smallest unit of an element |
carbohydrate | energy rich organic compound |
lipids | fats, oils, and waxes are examples |
DNA | genetic material that carries info |
water | needed to carry out chemical reactions |
nucleic acids | contains information that cells need to carry out functions |
cell membrane | decides what goes in and out of a cell |
diffusion | molecules move from high to low concentration |
osmosis | when water diffuses through cell membrane into cell |
active transport | uses energy to transport materials |
passive transport | does not use energy to transport materials |
sun | where all energy comes from |
photosynthesis | how plant cells make energy |
pigments | colored checmical compounds that absorb light |
chlorophyll | main pigment found in plant cells |
stomata | small openings on the underside of cell leaves |
respiration | process where cells break down sugars |
interphase | cell grows, makes a copy of DNA |
mitosis | stage where cell's nucleus divides |
cytokinesis | cytoplasm divids and becomes two new cells |