Question | Answer |
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 |