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SC7 Living Cells

TermDefinition
Active Transport The transport of materials that requires energy.
ATP Adenosine Triphosphate The form in which energy from respiration is stored in a cell.
Botanist A plant scientist.
Cell Division A process that forms new cells. Mitosis and meiosis are two forms of cell division.
Cell Respiration A process of the cell in which energy is produced by the breakdown of sugar.
Cell Theory The theory that all living things are made of cells, that cells are the basic units of life, and that cells come only from other living cells.
Cell Transportation The process by which materials are moved in and out of the cell.
Chromosome A long ribbon of genetic material inside the nucleus that directs cell activities.
Diffusion A type of passive transport that occurs when things move from greater concentration to lesser concentration.
DNA Deoxyribonucleic acid controls all cell functions and holds all the genetic information of an organism.
Double Helix The arrangement of DNA that looks much like a long twisted ladder.
Electron Microscope A microscope that uses a beam of electrons, rather than light and lenses, to “see” objects.
Eukaryote Cell A cell that has the chromosomes contained within a nucleus.
Gene The packets of genetic information (DNA) that make up the chromosomes.
Glucose A simple sugar that produces energy as a product of cell respiration.
Meiosis A type of cell division that produces daughter cells with only a half set of chromosomes.
Mitosis A type of cell division that produces daughter cells with a full set of chromosomes.
Nucleotide Base The special molecules that join to form the “rungs” of the DNA ladder. These bases are thymine, adenine, guanine, and cytosine.
Organelle One of many cell structures that carries out a specific function within a cell.
Osmosis A type of passive transport that involves the movement of water across a semipermeable membrane.
Passive Transport Transportation of materials that requires no energy.
Prokaryote Cell A cell that lacks a nucleus, causing the chromosomes to be distributed throughout the cell.
RNA Ribonucleic acid, RNA works as a messenger to carry the directions from DNA in the nucleus out to the organelles in the cytoplasm.
Synthesis The process in the cell that produces new molecules and compounds.
Zoologist A scientist who studies the classification, structure, process, and behavior of animals.
Created by: geoffereyj
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