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7th grade science cell structure and function
Very large organic molecules that contain instructions that cells need to function are called _____. Starch is a kind of carbohydrate. organism. The cell is the basic unit of all organisms 3. True or false: Cells were discovered using electron microscopes. Accuracy versus Precision... Know Cell Organelles Structure and Function Mitochondria - makes food into energy Golgi … Thomas C. Marsh Preparatory Middle School 7th Grade Science! Terms in this set (25) Cell. When two or more elements combine chemically, they form a(n) _____. FALSE, Matthais Schleiden also worked on it. PLAY. The basic unit of structure of living things is the cell. Description: Organism organization (cells - tissues - organs - systems- organism) Cells; Human Body Systems (respiratory, circulatory, digestive, skeletal, nervous, rep… Location: 7th Grade Science. But they contain even more energy than carbohydrates. Energy-rich organic compounds that include starches and sugars are called _____. The structure of each kind of body cell is suited to its _____ _____. They speed up a chemical reaction in a living thing. FALSE, the MITOCHONDRIA are the powerhouses. Where is the cell membrane located in cells that have cell walls? All cells come from existing cells. The part of the cell that is the region between the cell membrane and the nucleus. Gravity. All living things are composed of cells. The process by which water moves across a cell membrane is called. Tiny cell structures that carry out specific functions within cells. (The sharpness of an image.). … PLAY. Match. Compounds that do not contain carbon are called _____. Three ways that substances can move into and out of a cell are: In diffusion, molecules move from an area of _____ concentration to an area of _____ concentration. -Control center or "brain of the cell" -Contains the DNA (genetic material stored in chromosomes) **Found in both plant & animal cells, -Powerhouse of the cell -Releases chemical energy from food, -Produces food for the plant cell by photosynthesis-Contains chlorophyll **Found in plant cells only, -stores food, water, minerals, waste. Cells are the basic units of structure and function in living things. They have energy-rich organic compounds made of carbon, hydrogen, and oxygen. Quiz *Theme/Title: Cell Structure & Function * Description/Instructions ; For grade 7. 1/Cell Structure & Function, Review. Bacterial cells differ from the cells of plants and animals in that they lack (do not have) a _____. It magnifies an object by bending the light that passes through them. PLAY. Learn. What kind of microscope did Robert Hooke use? Cell structure, organelle. List the three points of the cell theory. What kind of microscope did Anton van Leeuwenhoek use? How do the lenses of the light microscope make an object look larger? Learn vocabulary, terms, and more with flashcards, games, and other study tools. The movement of materials through a cell membrane without using energy. Protein that speeds up chemical reactions in living things. Membrane that surrounds and protects the cell; it controls what can enter and exit the cell. Almost all cells are too small to see with the naked eye so we use a tool called a microscope to look at cells. What foods have starch? Sing the song, play some cell games. Two ways that the cell moves things by ACTIVE TRANSPORT. A red blood cell shape where the concentration of water molecules is the same inside and outside of the wall. 7th Grade Science - Cells. It is located on the outside boundary that separates the cell. True or false: Both DNA and RNA are proteins. Rough ER are rough due to the presence of ribosome; Smooth ER lacks ribosomes **Found in both plant & animal cells, -A sac in the cell that has digestive enzymes that can break down cell waste and old cell parts that have died **Found mostly in animal cells, rarely in plants, -The outer boundary of the cell that surrounds the cytoplasm -regulates what enters and exits the cell-protects and supports the cell **Found in both plant & animal cells, -a rigid structure that surrounds the cell membrane of plants and provides support to the cell & allows water to pass **plants only, -Located within the nucleus and made of DNA (genetic material), -Clear, jelly fluid that is within the cell and contains all the organelles of the cell-Moves material through the cell **Found in plant and animal cells, -Located inside the Nucleus - Stores RNA (genetic material), Things to remember: plant cell vs animal cell, Plant cells: chloroplasts, cell wall, vacuole is larger than in animal cell.
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