Cell Structure

Front 1

Eukaryotes

Back 1

Organisms whose cell contains a nucleus

Front 2

Facilitated diffusion

Back 2

Movement of specific molecules across cell membranes through protein channels

Front 3

Hypotonic

Back 3

When comparing two solution, the solution with the lesser concentration of solutes

Front 4

Hypertonic

Back 4

When comparing two solutions , the solution with the greater concentration of solutes

Front 5

Isotonic

Back 5

When the concentration of two solutions is the same

Front 6

Lipid bilayer

Back 6

Double layered sheet that forms the core of nearly all cell membranes

Front 7

Lysosomes

Back 7

Cell organelle filled with enzymes needed to break down certain materials in the cell

Front 8

Mitochondria

Back 8

Cell organelle that converts the chemical energy stored food into compounds that are more convenient for cell to use

Front 9

Nuclear envelopment

Back 9

Layer of two membanes that surrounds the nucleus of a cell

Front 10

Organ

Back 10

Group of tissues that work together to perform closely related functions

Front 11

Organelle

Back 11

specialized structure that performs important cellular functions within a eukaryotic cell

Front 12

Organ system

Back 12

Group of organs that work together to perform a specific function

Front 13

Osmosis

Back 13

Diffusion of water through a selectively permeable membrane

Front 14

Osmotic pressure

Back 14

The effect of osmosis on cells in which they balance the intake and loss of water

Front 15

Passive transport

Back 15

A process that moves materials across a cell membrane requiring no energy

Front 16

Phagocytosis

Back 16

Process by which a cell takes in liquid from the surrounding environment

Front 17

Prokaryote

Back 17

Organism whose cell lacks q nucleaus

Front 18

Ribosomes

Back 18

Small particle in the cell on which proteins are assembled , made of RNA and protein

Front 19

Tissue

Back 19

Group of similar cells that perform a particular function

Front 20

Vacuole

Back 20

Cell organelle that stores materials such as water,salt , protein and carbohydrates

Front 21

Active transport

Back 21

Energy requiring process that moves materials across a cell membrane against a concentration difference

Front 22

Cell membrane

Back 22

Thin, flexible barrier around a cell regulates

Front 23

Cell wall

Back 23

Strong supporting layer around the cell membrane in plants,algae and some bacteria

Front 24

Cell specialization

Back 24

Separate roles for each type of cell in multicellular organism

Front 25

Cell theory

Back 25

Idea that all living things are composed of cells

Front 26

Chloroplast

Back 26

Organelle found in cells of plants and Some other organisms that captures the energy from sunlight and converts it into chemical energy

Front 27

Chromatin

Back 27

Granular material visible within the nucleus , consists of DNA tightly coiled around proteins

Front 28

Chromosome

Back 28

Threadlike structure within the nucleus containing the genetic info that is passed from on generation of cells to the next

Front 29

Cytoplasm

Back 29

Material inside the cell membrane not including the nucleus

Front 30

Cytoskeleton

Back 30

Network of protein filaments within some cells that helps the cell maintain its shape and is involved in many forms of cell movements

Front 31

Diffusion

Back 31

Process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated

Front 32

Endocytosis

Back 32

Process by which a cell takes material Into the cell by infolding of cell membrane

Front 33

Exocytosis

Back 33

Process by which a cell releases large amounts of material

Front 34

Endoplasmic reticulum

Back 34

Internal membrane system in cells in which lipids components of the cell membrane are assembled and some proteins are modified

Front 35

Equilibrium

Back 35

When the concentration of a solute is the same throughout a solution

Front 36

Hypertonic

Back 36

When comparing two solutions, the solution with the greater concentration of solutes

Front 37

Isotonic

Back 37

When the concentration of two solutions is the same

Front 38

Lipid bilayer

Back 38

Double-layered sheet that forms the core of nearly all cell membranes

Front 39

Lysosome

Back 39

Cell organelle filled with enzymes needed to break down certain materials in the cell

Front 40

Mitochondria

Back 40

Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use

Front 41

Nuclear envelope

Back 41

Layer of two membranes that surrounds the nucleus of a cell

Front 42

Organ

Back 42

Group of tissues that work together to perform closely related functions

Front 43

Organelle

Back 43

Specialized structure that performs important cellular functions within a eukaryotic cell

Front 44

Organ system

Back 44

Group of organs that work together to perform a specific function

Front 45

Osmosis

Back 45

Diffusion of water through a selectively permeable membrane

Front 46

Osmotic pressure

Back 46

The effect of omosis on cells in which they balance the intake and loss of water in the cell

Front 47

Passive transport

Back 47

A process that moves materials across a cell membrane requiring no energy

Front 48

Phagocytosis

Back 48

Process in which extension of cytoplasm surround and engulf large particles and take them into the cell

Front 49

Pinocytosis

Back 49

Process by which a cell takes in liquid from the surrounding environment

Front 50

Prokaryote

Back 50

Organism whose cell lacks a nucleus

Front 51

Ribosome

Back 51

Small particle in the cell on which proteins are assembled , made of RNA and protein

Front 52

Tissue

Back 52

Group of similar cells that perform a particular function

Front 53

Vacuole

Back 53

Cell organelle that stores materials such as water, salts, protein and carbohydrates

Front 54

Active transport

Back 54

Energy requiring process that moves material across a cell membrane against a concentration difference

Front 55

Cell wall

Back 55

Strong supporting layer around the cell membrane in plants, algae , and some bacteria

Front 56

Cell specialization

Back 56

Separate roles for each type of cell in multicellular organisms

Front 57

Cell theory

Back 57

Idea that all living things are made of cells

Front 58

Chloroplast

Back 58

Organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy

Front 59

Chromatin

Back 59

Granular material visible within the nucleus, consist of DNA tightly coiled around proteins

Front 60

Chromosome

Back 60

Threadlike structure within the nucleaus containing the genetic info that is passed from one generation of cells to the next

Front 61

Cytoplasm

Back 61

Material inside the cell membrane not including the nucleus

Front 62

Cytoskeleton

Back 62

Network of protein filaments within some cells that helps the cell maintain its shape and is involved in many forms of cell movements

Front 63

Diffusion

Back 63

Process by which molecules tend to moves from an area where they are more concentrated to an area where they are less concentrated

Front 64

Endocytosis

Back 64

Process by which a cell takes material into the cell by infolding of the cell membane

Front 65

Exocytosis

Back 65

Process by which a cell releases large amounts of material

Front 66

Endoplasmic Reticulum

Back 66

Internal membrane system in cells in which lipid components of the cell membrane are assembled and some proteins are modified