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Definition
| Molecule that is the major source of energy for an organism. |
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Definition
| Molecule that stores energy and is the main structure of cell. |
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Definition
| Building block of living organisms that passes genetic information from one generation to the next. |
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| Molecule needed by organisms for growth and repair. |
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Definition
| Thin barrier that surrounds all cells that controls what enters and leaves the cell. |
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| Strong supporting layer around the cell membrane in some cells. |
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Definition
| Organelle that converts digested food into cellular energy. |
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Definition
| The fluid portion of a cell's interior. |
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Definition
| Organelle that converts digested food into cellular energy. |
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Definition
| Organelle that regulates the production of proteins and contains genetic material. |
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Definition
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Definition
| Organelle that is the site of protein synthesis. |
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Definition
| Organelle that is used to store materials. |
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Definition
| Cell transport that does require energy. |
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Definition
| Process that releases energy by breaking down food molecules, in the presence of oxygen. |
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Term
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Definition
| The movement of materials into, out of, or within a cell. |
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Definition
| Protein that speeds up biological reactions. |
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Definition
| Set of chemical reaction in the cells of living organisms to sustain life. |
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Definition
| Cell transport that does not require energy. |
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Definition
| Process by which energy rich molecules are made from water and carbon dioxide in the presence of sunlight. |
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Definition
| Formation of proteins using information coded on DNA. |
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Term
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Definition
| Property of biological membranes that allows some substances to pass across, while others cannot. |
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Term
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Definition
| Any physical or chemical input that is sensed. |
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Term
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Definition
| Nucleic acid that contains all of the genetic instructions for an organism. |
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Term
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Definition
| Passing of genetic material from parent to offspring. |
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Term
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Definition
| Specific characteristic of genetic information. |
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Term
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Definition
| The shape of DNA that resembles a spiral staircase or a twisted ladder. |
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Definition
| Nuclear division in organisms that have a nucleus. |
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Term
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Definition
| Building block of a nucleic acid; consisting of a sugar, phosphate, and a nitrogen base. |
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Term
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Definition
| Change in the genetic material of a cell. |
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Term
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Definition
| Alternate forms of a gene. |
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Definition
| Genetic makeup of an organism. |
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Definition
| Having two different alleles for a particular gene. |
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Term
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Definition
| Having two identical alleles for a particular gene. |
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Definition
| The process of nuclear division that reduces the number of chromosomes in a cell by half. |
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Term
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Definition
| Physical characteristics of an organism. |
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Definition
| Model used to determine probabilities of a genetic cross. |
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Definition
| The degree of variation of life forms within a given ecosystem. |
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Definition
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Definition
| Cycle by which materials necessary for organisms are circulated through the environment. |
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Definition
| Area on and around Earth where life exists. |
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Definition
| A group of ecosystems that share similar climates and organisms. |
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Definition
| The state of environmental conditions. |
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Term
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Definition
| Related to the way something acts. |
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Definition
| The form or structure of something. |
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Term
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Definition
| Related to the way something functions. |
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Definition
| Descent with modification of organisms from common ancestors. |
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Definition
| Tendency of individual genetic characteristics in a population to differ from one another. |
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Term
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Definition
| Formation of new and different sets of chromosomes or genes. |
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Definition
| Collection of preserved organisms or their traces stored in Earth. |
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Definition
| Process by which organisms that are most suited to their environment survive and reproduce most successfully. |
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