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Chapter 5

Cell Structure and Function

QuestionAnswer
The basic units of structure and function in living things Cells
Forms the basic framework in which biologists have tried to understand living things Cell Theory
Regulates what enters and leaves the cell and also aids in the protection and support of the cell Cell Membrane
Helps to protect and support the cell and lies outside the cell membrane Cell Wall
In atoms the center which contains neutrons and protons and accounts for 99.9 percent of the atoms mass Nucleus
Organisms whose cells lack nuclei Prokaryotes
Organisms whose cells contain nuclei Eukaryotes
Membrane that surrounds the nucleus in a cell Nuclear Envelope
Contain the genetic information that must be passed to each new generation of cells Chromosomes
Area between the nucleus and the cell membrane and contain many important structures Cytoplasm
Tiny structure that performs a specialized function in the cell Organelle
Change the chemical energy stored in food into compound that are more convenient for the cell to use Mitochondria
Trap the energy of sunlight and convert it into chemical energy Chloroplast
Structures in which proteins are made Ribosomes
Transports materials through the inside of the cell Endoplasmic Reticulum
Organelle that modifies, collects, packages, and distributes molecules made at one location of the cell and used at another Golgi apparatus
Small membrane-bordered structures that contain chemicals and enzymes necessary for digesting certain materials in the cell Lysosomes
Saclike structures that store materials such as water, salts, proteins, and carbohydrates Vacuoles
Plant organelles that may take many forms and are involved in the storage of food and pigments Plastids
Composed of a variety of filaments and fibers that skeleton is composed of a variety of filaments and fibers that support cell structure and drive cell movement Cytoskeleton
Created by: Go_Bills
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