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. 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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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

Words to Know about Cells and the Parts of the Cells


Words to know about cells and the parts of the cells

Key words


Words to know about cells and the parts of the cells

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


Words to know about cells and the parts of the cells

The Chemistry of Cells


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


Words to know about cells and the parts of the cells

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


Words to know about cells and the parts of the cells

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


Words to know about cells and the parts of the cells

Organelles


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.


Words to know about cells and the parts of the cells

Plant organelles


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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