Chemical Compounds in Cells
The Cell in Its Environment
Photosynthesis
Vocabulary
Vocabulary
100
any substance that cannot be broken down into simpler substances
What is an element?
100
some substances can pass through the membrane while others cannot
What is selectively permeable?
100
process by which cells capture sunlight and use it to make food
What is photosynthesis?
100
energy-rich organic compound made out of the elements carbon, hydrogen, and oxygen
What is a carbohydrate?
100
contain the instructions that cells need to carry out all the functions of life
What are nucleic acids?
200
the smallest unit of an element
What is an atom?
200
this is how small molecules cross the cell membrane
What is diffusion?
200
all living things obtain energy in two different ways
What is indirectly and directly?
200
energy-rich organic compounds that contain more energy than carbohydrates
What is a lipid?
200
main photosynthesis pigment in chloroplasts
What is chlorophyll?
300
the chemical formula for carbon dioxide
What is CO2?
300
this function is important to a cells in order for them to function properly
What is osmosis?
300
an organism that makes its own food
What is an autotroph?
300
large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and in some cases sulfur
What is a protein?
300
small openings on the undersides of leaves
What is a stomata?
400
two or more elements chemically combined
What is a compound?
400
when a cell doesn't have to use its energy to move materials through the cell membrane
What is passive transport?
400
an organism that cannot make its own food
What is a heterotroph?
400
smaller molecules and there are 20 common ones
What is an amino acid?
400
6 Co2 + 6 H2O ----> C6 H12 O6 + 6 O2
What is the photosynthesis equation?
500
cells need this compound to have a checmical reaction
What is water?
500
requires the cell to use its own energy
What is active transport?
500
colored chemcial compounds that absorb light
What is a pigment?
500
a type of protein that speeds up a chemical reaction in a living thing
What is an enzyme?
500
two kinds of nuceic acids
What is DNA and RNA?
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