Vocab for Chapter 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| cells | Form the parts of an organism and carry out all of an organism's processes, or functions.
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| microscope | Is an instrument that makes small objects look larger.
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| cell theory | Is a widely accepted explanation of the relationship between cells and living things.
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| organelles | Tiny cel structures that carry out specific functions within the cell.
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| cell wall | Is a rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
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| cell membrane | Is a thin layer of living material that controls what substances come into and our of the cell.
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| nuclues | Acts as the "brain" of the cell.
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| cytoplasm | Is a clear, thick, gel-like fluid that is living and is constantly moving.
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| mitochondria | Is a rod-shaped structure that stores the cells energy in it and converts the energy into food molecules so the cell can use the food molecules to carry out its functions.
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| endoplasmic reticulum | Is a maze of passageways that carry proteins and other materials from one part of the cell to another.
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| ribosomes | Are small, grain like bodies that are attached to the sides of the endoplasmic reticulum.
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| Golgi body | Are the cells mail room.
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| chlorplasts | They capture energy from sunlight and use it to produce food for the cell.
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| vacuole | Is a water-filled sac that is the storage are for the cell.
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| lysosme | Are small round structures containing chemicals that break down certain materials in the cell.
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| elements | Is any substance that cannot be broken down into simpler substances.
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| compound | Is when two or more elements combine chemically.
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| carbohydrate | Is an energy-rich organic compound made of the elements carbon, hydrogen, and oxygen .
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| lipids | Are energy-rich organic compounds made of carbon, hydrogen, and oxygen.
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| proteins | Are large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and, in some cases, sulfur.
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| amino acids | Protein molecules are made up of these small molecules.
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| enzyme | Is a type of protein that speeds up a chemical reaction in a living thing.
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| nucleic acids | Are very long organic molecules made of carbon, oxygen, hydrogen, nitrogen, and phosphorus.
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| DNA | Is the genetic material that carries information about an organism and is passed from parent to offspring.
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| RNA | Plays a important role in the production of proteins.
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| selectively permeable | Which means some substances can pass through the membrane while others cannot.
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| diffusion | Is the process by which molecules move from an area of higher concentration to an area of lower concentration.
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| osmosis | Is the diffusion of water molecules through a selectively permeable membrane.
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| passive transport | The movement of dissolved materials through a cell membrane without using cellular energy.
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| active transport | Is the movement of materials through a cell membrane using cellular energy.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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