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LS 2 Cells 1

LS 2 Cells vocab part 1

TermDefinition
Cell Theory The idea that all living things are made of cells, cells are the basic unit of life, and all cells come from pre-existing cells
Cell The basic unit of structure and functions in living things
Organelle A specialized structure inside a cell that performs a specific function
Metabolism All interactions among molecules within the organized environment of the cell
Nucleus An organelle that contains the cell's genetic material and helps control cell activities
Cell membrane The boundary that surrounds the cell and controls what enters and leaves the cell
Cytoplasm The material inside a cell where many cell activities occur
Mitochondria Organelles involved in cellular respiration and energy transformation
Chloroplast A plant-cell organelle where photosynthesis occurs
Cell wall A rigid structure outside the cell membrane that provides support to plant cells
Vacuole A structure that stores materials; plant cells typically have a large central vacuole
Endoplasmic reticulum (ER) An organelle involved in producing and transporting molecules within the cell
Cell Cycle The series of events through which a cell grows, duplicates its chromosomes, and divides
Interphase The part of the cell cycle in which a cell grows and duplicates its chromosomes
Mitosis The process in which a body cell divides its duplicated chromosomes to form two identical daughter cells
Daughter cells The two cells produced when a parent cell divides
Chromosomes A structure containing genetic material that is duplicated before cell division
Diffusion The movement of particles from an area of higher concentration to an area of lower concentration
Osmosis The movement of water across a semipermeable membrane due to a concentration difference
Semipermeable membrane A membrane that allows some substances to pass through while preventing others from passing
Passive transport Movement of substances across a membrane without requiring energy
Homeostasis Maintaining stable internal conditions in a cell or organism
Created by: KJHarris
 

 



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