43 terms

Chapter 3 Test Review: Cell Processes and Energy

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Elements
Substances that cannot be broken down into a simpler form
carbon, hydrogen, oxygen
Some of the substances found in the body
Compounds
The name for two or more elements that are chemically combined
Molecule
Smallest stubstance
Water
A substance that makes up 2/3 of the body, needed for chemical reactions to occur within cells
H2O
chemical name for water
C6H12O6
chemical name for glucose
CO2
Chemical name for carbon
O2
Chemical name for oxygen
Organic
Compound that DOES contain carbon
Inorganic
Compound that DOESN'T contain carbon
Carbohydrates, Lipids, Nucleic Acids, Protiens
Four main compounds that contain carbon
Carbohydrates; Starches, Sugars
energy rich compounds which are also known as ______s or ______s
Bread, Pasta, Vegtables
Some examples of Carbohydrates
Carbohydrate compounds
Energy rich compounds; also found in cell membrane
Lipids
Another name for fats
Lipids
Compound for long-term energy
Lipids
Main ingredient of cell membrane
Beans, Meats, Nuts
Examples of proteins
Proteins
Made up of amino acids
Proteins
Which compound makes organelles and enzymes that speed up chemical reactions
Saliva
What breaks down carbohydrates to sugars in the mouth
Nucleic Acids
Contain instructions that cells need to do their jobs
DNA
Genetic material that carries information about an organism
RNA; Cytoplasm
Aids in protein production, and can be found in the _____ and the nucleus
Selectively Permeable
The cell membrane is considered to be _____________ because some molecules can pass through while others cannot
Diffusion
The main method of small molecule movement ACROSS the cell membrane. The molecules move from high to low concentration
Osmosis
Diffusion of water molecules
Diffusion; Osmosis
Two of the types of molecule movement that are passive transport.
Active
Molecule movement that requires energy
Photosythesis
The process by which cells capture energy from the sun and use it to make food
Autotrophs
Another name for plants or creatures that can make food on their own
Carbon Dioxide; Sunlight; Water
During Photosythesis, the plants need _______, _______ and _______
Chloroplasts
The first stage of photosynthesis takes place in the
Pigment
Makes the leaves green and is responsible for absorbing light
Chlorophyll
Main pigment involved
Glucose
Once the plant has enough energy, it can start to make food called
Oxygen
Glucose is used for energy and ________
Oxygen
Considered waste product to the plant and is released back into the atmosphere
Cellular Respiration
once photosynthesis is over, the heterotrophs carry out a process called _______________
Cytoplasm
First stage of Cellular Respiration occurs in the ______________
Mitochondria
Where the second stage of cellular respiration occurs
Oxygen; Energy
in cellular respiration, during the second stage ______ is needed, and the result is a LOT of ______