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Apologia GS #9

DNA All life forms contain this which passes on their genetic code
Extract energy All life forms must do this to survive.
Respond to their environment All life forms do this in regards to their surroundings
Reproduce All life forms do this to ensure their species does not become extinct
Atom The smallest chemical unit of matter.
Molecule Two or more atoms linked together to make a substance with unique properties.
Metabolism The sum total of all processes in an organism that convert energy and matter from outside sources and use that energy and matter to sustain the organism's life functions.
Receptors Special structures that allow living organisms to sense the conditions of their internal or external environment.
Cell The smallest unit of life in creation.
Double helix The shape of the DNA molecule
Backbone The two long strands of atoms linked together in just the right way forming the double helix to which the DNA nucleotide bases are joined.
Nucleotides The little units attached to each strand in the DNA molecule.
Thymine Only adenine can link together with this nucleotide base
Cytosine Only guanine can link together with this nucleotide base
Glucose The name of the chemical that plants make for food and is considered an energy source.
Starch A complex carbohydrate that is stored and used as food/energy for plants and animals.
Photosynthesis The process by which green plants and some other organisms use the energy of sunlight and simple chemicals to produce their own food.
Organelle Structure inside the cell.
Cytoplasm The jelly-like substance which fills the cell.
Membrane An outer covering of the cell.
Nucleus The part of the cell that contains the DNA
Created by: pinetreeacademy