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Words to Know about Cells and the Parts of the Cells

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Words to Know about Cells and the Parts of the Cells - PowerPoint PPT Presentation


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Words to Know about Cells and the Parts of the Cells. Key words. Cell sel. A membrane-covered structure that contains all of the materials necessary for life. Homeostasis hO-mE-O-\'stA-s&s. The maintenance of a stable internal environment. Unicellular yü-ni -\' sel -y&- l&r.

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Presentation Transcript
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Cell

sel

A membrane-covered structure that contains all of the materials necessary for life

homeostasis ho me o sta s s
HomeostasishO-mE-O-\'stA-s&s

The maintenance of a stable internal environment

unicellular y ni sel y l r
Unicellularyü-ni-\'sel-y&-l&r

Organisms made from

a single cell

multicellular
Multicellular

Organims made of

many cells

prokaryotic pro ka re ot
ProkaryoticprO-\'ka-rE-"Ot/

Describes a cell that does not have a nucleus or any other membrane-covered organelles;

example: bacteria

eukaryotic y ker e ot
Eukaryoticyü-\'ker-E-"Ot,

Describes a cell that has a nucleus; examples: animals and plants

metabolism m ta b li z m
Metabolismm&-\'ta-b&-"li-z&m

The combined chemical processes that occur in a cell or living organism

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DNA

DeoxyriboNucleic Acid; hereditary material that controls all the activities of a cell, contains the information to make new cells, and provides instructions for making proteins

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ATP

Adenosine TriPhosphate; molecule that provides energy for a cell’s activities

nucleic acid nu kle ik
Nucleic acidnu-\'klE-ik-

A biochemical that stores information needed to build proteins and other nucleic acids; made up of subunits called nucleotides

protein pro ten
Protein\'prO-"tEn

A biochemical that is composed of amino acids; its functions include regulating chemical reactions, transporting and storing materials, and providing support

carbohydrate
Carbohydrate
  • A biochemical composed of one or more simple sugars bonded together that is used as a source of energy and to store energy.
lipid
Lipid

A type of biochemical that does not dissolve in water, including fats and oils; lipids store energy and make up cell membranes.

phospholipid
Phospholipid

A molecule that forms much of a cell membrane

chlorophyll
Chlorophyll

The green chemical pigment in chloroplasts that absorbs light energy for photosynthesis

organelle
Organelle
  • Structures within a cell, sometimes surrounded by a membrane
cytoplasm
Cytoplasm
  • Cellular fluid surrounding a cell’s organelles
cell membrane
Cell membrane
  • A phospholipid layer that covers a cell’s surface and acts as a barrier between the inside of a cell and the cell’s environment
nucleus
Nucleus
  • Membrane-covered organelle found in eukaryotic cells that contains a cell’s DNA and serves as a control center for the cell
mitochondria
Mitochondria
  • Cell organelles surrounded by two membranes that break down food molecules to make ATP
ribosome
Ribosome
  • A small organelle in cells where proteins are made from amino acids
endoplasmic reticul um
Endoplasmic reticulum
  • A membrane-covered cell organelle that produces lipids, breaks down drugs and other substances, and packages proteins for delivery out of the cell
golgi complex
Golgi complex
  • The cell organelle that modifies, packages, and transports materials out of the cell
vacuole
Vacuole
  • A large membrane-covered structure found in plant cells that serve as storage containers for water and other liquids; animal cells have small vacuole.
lysosome
Lysosome
  • A special vesicle in cells that digest food particles, wastes and foreign invaders
vesicle
Vesicle
  • A membrane-covered compartment in a eukaryotic cell that forms when part of the cell membrane surrounds an object and pinches off.
cell wall
Cell wall
  • A structure that surrounds the cell membrane of some cells and provides strength and support to the cell membrane; found in plants, and fungi
chloroplast
Chloroplast-
  • An organelle found in plant and algae cells where photosynthesis occurs
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