Term
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Definition
A term that describes a nonliving
factor in an ecosystem. |
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Term
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Definition
| The movement of particles from an area of low concentration to an area of high concentration that uses energy provided by ATP or a difference in electrical charges across a cell membrane. |
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Term
Adenosine Triphosphate
(ATP) |
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Definition
| A molecule that provides energy for cellular reactions and processes. It releases energy when one of its high-energy bonds is broken to release a phosphate group. |
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Term
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Definition
| The intermolecular attraction between unlike molecules. Capillary action results from this property of water and the molecules that make up plant cells. |
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Term
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Definition
| The artificial cultivation of food, fiber, and other goods by the systematic growing and harvesting of various organisms. |
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Term
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Definition
| A variation of a gene's nucleotide sequence (an alternative form of a gene). |
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Term
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Definition
| The measure of the relative frequency of an allele at a genetic locus in a population; expressed as a proportion or percentage. |
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Term
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Definition
| A Physical structure, present in multiple species, that is similar in function but different in form and inheritance. |
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Term
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Definition
| A term that describes an organism associated with a water environment. |
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Term
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Definition
| The smallest unit of an element that retains the chemical and physical properties of that element. |
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Term
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Definition
| The changing of organic matter into other chemical forms such as fuels. |
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Term
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Definition
| The study of energy flow (energy transformations) into and within living systems. |
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Term
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Definition
| The movement of abiotic factors between the living and nonliving components within ecosystems; also known as nutrient cycles (i.e., water cycle, carbon cycle, oxygen cycle, and nitrogen cycle) |
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Term
| Biological Macromolecules |
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Definition
| A group of biomacromolecules that interact with biological systems and their environments. |
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Term
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Definition
| The scientific study of life. |
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Term
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Definition
| A large area or geographical region with distinct plant and animal groups adapted to that environment. |
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Term
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Definition
| The zone of life on Earth; sum total of all ecosystems on Earth. |
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Term
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Definition
| Any procedure or methodology that uses biological systems or living organisms to develop or modify either products or processes for specific use. This term is commonly associated with genetic engineering, which is one of many applications. |
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Term
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Definition
| A term that describes a living or once-living organism in an ecosystem. |
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Term
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Definition
| A macromolecule that contains atoms of carbon, hydrogen, and oxygen in a 1:2:1 ratio and serves as a major source of energy for living organisms (e.g., sugars, starches, and cellulose). |
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Term
| Carrier (Transport) Proteins |
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Definition
| Proteins embedded in the plasma membrane involved in the movement of ions, small molecules, and macromolecules into and out of cells; also known as transport proteins. |
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Term
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Definition
| A substance that enables a chemical reaction to proceed at a unusally faster rate or under different conditions (e.g., lower temperature) than otherwise possible without being changed by the reaction. |
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Term
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Definition
| The basic unit of structure and function for all living organisms. They have three common components; genetic material, cytoplasm, and a cell membrane. |
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