click below
click below
Normal Size Small Size show me how
da Science
Question | Answer |
---|---|
what is cell theory?? | the theory that states that all living things are made of one or more cells, the cell is the smallest unit of life, and all new cells come from preexisting cells. |
what are macromolecules?? | substance that forms from joining many small molecules together |
what is a nucleic acid | a macromolecule that forms when long chains of molecules called nucleotides join together. |
what is a protein | a long chain of amino acid molecules; contains carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur |
what is a lipid | a large macromolecule that does not dissolve in water. |
what is a carbohydrate?? | a macromolecule made up of one or more sugar molecules, which are composed of carbon, hydrogen, and oxygen; usually the body's major source of energy |
what is a cell membrane? | a flexible covering that protects the inside of a cell from the environment outside the cell. |
What are the 6 characteristics of life? | organized, grow and develop, reproduce, respond, maintain certain internal conditions, and use energy. |
what are all the classification systems? | systematics , |
What are the 6 characteristics of life? | organized, grow and develop, reproduce, respond, maintain certain internal conditions, and use energy. |