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Biology Semester 1
| Term | Definition |
|---|---|
| nucleus | directs cell processes; contains the cell's DNA; stores information for cell growth, function, and reproduction |
| organism | an individual living thing made of cells |
| experimental group | group in an experiment that is exposed to the factor being tested |
| peer review | process by which scientists in the same field or who conducted similar research evaluate an experiment's procedure and results |
| ribosome | helps manufacture proteins |
| dependent variable | factor in an experiment that results from or depends on changes to the independent variable |
| control group | group in an experiment that is not exposed to the factor being tested and is used for comparison |
| prokaryotic cell | simple cell without specialized structures |
| experiment | investigation done in a controlled setting that tests a hypothesis |
| SI | International System of Units, which are the unit standards of the metric system |
| Golgi apparatus | modifies, sorts, and packages proteins for transport outside the cell |
| biome | a large group of organisms that share the same climate and have similar types of communities |
| cell | basic unit of all living things |
| nucleolus | produces ribosomes inside the nucleus |
| vacuole | membrane-bound storage area within the cell |
| centriole | structure near the nucleus that functions during cell division |
| mitochondrion | converts fuel particles (sugars) into useable energy |
| cell theory | theory that all organisms are made of one or more cells, which are the basic units of life, and that all cells come form other cells |
| ER | site of ribosome attachment; can be smooth or rough |
| communities | interacting populations |
| ecosystems | all the different populations in a community |
| scientific method | organized series of events in scientific inquiry |
| ethics | set of moral principles or values |
| organelle | membrane-bound structure with special functions within eukaryotic cells |
| plasma membrane | boundary that helps control what enters and leaves a cell |
| population | a group of organisms of all the same species |
| independent variable | tested factor in an experiment that might affect the outcome |
| cell wall | gives support to plant cells |
| theory | explanation of a natural phenomenon supported by many observations and experiments over time |
| hypothesis | testable explanation of a situation |
| biology | study of life |
| observation | direct method of gathering information in an orderly way |
| lysosome | vesicle that contains substances that digest excess or worn-out organelles |
| science | body of knowledge based on the study of nature and its physical setting |
| nuclear envelope | double membrane that surrounds the nucleus |
| forensics | field that applies to science fields such as archaeology and botany, as well as to matters of legal interest |
| data | information gained from observations |
| cilia and flagella | projections that allow the cell to move or to move substances along the surface of the cell |
| chloroplast | captures light energy and converts it to chemical energy through photosynthesis |
| eukaryotic cell | cell with specialized structures, which include the nucleus and other organelles |
| metric system | units of measurement with divisions that are powers of ten |
Created by:
smeisman
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