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Bio MID TERM Vocab
Biology Mid Term Vocabulary Definition From Textbook
Term | Definition |
---|---|
1. System | organized group of related parts that interact to form a whole |
2. Boundaries | define the space of the system to separate that system from the rest of the universe |
3. Open system | the inputs and outputs flow into and out of the system |
4. Closed system | the flow of one or more inputs and outputs is limited in some way |
5. Isolated system | all of the inputs and outputs are contained within the system |
6. Feedback | information from one step of the cycle that acts to change the behavior of the previous step of the cycle |
7. Model | a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept |
8. Emergent property | a property that a system has but that its component parts do not have |
9. Ecosystem | includes all the nonliving and living things, in a given area |
10. Organism | all living or nonliving things |
11. Biotic factor | Living components in an ecosystem |
12. Abiotic factor | Non-living components in an ecosystem |
1. Organ system | Two or more organs that work together to preform body functions |
2. Organ | a group of tissues that carry out a specialized function of the body |
3. Tissue | a group of similar cells that work together to carry out a a specialized function usually as part of an organ |
4. Cell | the most basic unit of life |
5. Cell differentiation | the process by which cells become specialized in structure or function |
6. Cell membrane | controls the movement of materials into and out of the cell |
7. Nucleus | the storehouse for most of the genetic information |
8. Mitochondrion | supply the energy for the cell |
9. Chloroplast | organelles that carry out photosynthesis |
10. Prokaryotic cells | cells that don't have a nucleus or membrane-bond organelles |
11. Eukaryotic cells | cells that have a nucleus or membrane-bond organelles |
12. Lysosome | membrane-bond organelles that contain special proteins called enzymes |
13. Golgi apparatus | consists of stacks of membrane-enclosed spaces that process, sort, and deliver proteins |
14. Endoplasmic reticulum | an interconnected network of thin, folded membranes |
15. Rough endoplasmic reticulum | surfaces of the ER covered with Ribosomes |
16. Ribosomes | |
17. Vacuole | a fluid filled sac used for the storage of materials needed by the cell |
1. Homeostasis | the regulation and maintenance of the internal environment within the narrow ranges that are necessary to support life at the cellular level |
2. Stimulus | anything from the internal or external environment that causes an imbalance in the internal conditions of a cell, organ, organ system, or organism |
3. Hormone | chemicals secreted into the bloodstream by ductless endocrine glands |
4. Feedback loop | the interaction between the receptor, control center, and effector |
5. Positive feedback loop | makes adjustments in the same direction as the stimulus |
6. Negative feedback loop | a stimulus causes an imbalance in one direction |
1. Technology | the application of scientific knowledge for practical purposes |
2. Bioengineering | applies the concepts of engineering to living things |
3. Biotechnology | developed to allow people to live longer, healthier lives |
4. Engineering design process | a method used to develop or improve technology |
1. Atom | every physical thing you can think of, living or not, is made of incredibly small particles called atoms |
2. Element | a substance made up of one type of atom and cannot be broken into simpler substances by ordinary chemical means |
3. Ion | atoms that have gained or lost electrons |
4. Molecule | is two or more atoms held together by covalent bonds |
5. Compound | are substances composed of atoms of two or more different elements bonded together in specific ratios |
6. Chemical reaction | changes substances into different substances by breaking chemical bonds and forming new chemical bonds, rearranging atoms in the process |
7. Catalyst | a substance that increases the rate of the reaction |
8. Enzyme | a catalyst used in living organisms |
1. Polymer | a large molecule made up of subunits called monomers |
2. Hydrocarbon | compounds that only contain hydrogen and carbon |
3. Carbohydrate | is composed of carbon, hydrogen, and oxygen |
4. Phospholipid | is a lipid that consists of glycerol, two fatty acids, and a phosphate head |
5. Protein | are often described as the building blocks of life |
6. Amino acid | the building blocks for proteins |
7. ATP | cellular respiration transfers energy from organic molecules such as glucose to a molecule called |
8. Cell membrane | has a specialized structure that allows the cell to control the passage of materials into and out of the cell |
9. Osmosis | the diffusion in water |
10. Endocytosis | the process of taking liquids or fairly large molecules into a cell by engulfing them in a membrane |
11. Exocytosis | the release of substances out of a cell by the fusion of a vesicle with the membrane |
1. Producer | capture light energy from the sun and store it in high - energy sugar molecules |
2. Photosynthesis | a process on which plants, algae, and some bacteria capture and transform light energy from the sun and store into high-energy sugar molecules |
3. Chloroplast | where light absorption and photosynthesis takes place |
4. Thylakoid | stacks of disc shaped sacs located in the inner chloroplast which contains pigment molecules of chlorophyll |
5. Chlorophyll | a pigment molecule in chloroplasts |
6. ATP | transfers light energy to energy-carrying molecules |
7. NADPH | a molecule that serves as energy carrier during photosynthesis |
8. Light independent reaction | "dark reactions" of photosynthesis are chemical reactions that convert carbon dioxide and other compounds into glucose |
9. Light dependent reaction | The series of biochemical reactions in photosynthesis that require light energy that is captured by light-absorbing pigments (such as chlorophyll) to be converted into chemical energy in the form of ATP and NADPH. |