H Bio, Ch 6, Jen Chretien

Front 1

cell theory

Back 1

all living organisms are composed of cells, cells are the basic unit of life, cells arise from pre-existing cells

Hint 1

basic units of life

cells

Front 2

prokaryotes

Back 2

a microscopic single-celled organism that has neither a distinct nucleus nor other specialized organelles

Hint 2

simple cells

bacteria and cyanobacteria

Front 3

nucleus

Back 3

a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing genetic material

Hint 3

brain of cell

genes

Front 4

chromosome

Back 4

a threadlike structure of nucleic acids and protein found in the nucleus of most living cells

Hint 4

carries genetic information in the form of genes

dna double helix

Front 5

nucleoid

Back 5

an irregular shaped region within the cell of a prokaryote that contains most/all genetic material

Hint 5

odd

holds genes

Front 6

plasmids

Back 6

a small dna molecule within a cell that is physically separated from a chromosomal dna and can replicate independently

Hint 6

typically in bacteria

usb flash drives

Front 7

flagella

Back 7

a slender threadlike structure, enabling many protozoa, bacteria, spermatoza, to swim

Hint 7

tail

swim

Front 8

cell/plasma membrane

Back 8

biological membrane that separates the interior of a cell from the outside

Hint 8

semi-permeable

protect

Front 9

cell wall

Back 9

a rigid layer of polysaccharides lying outside the plasma membrane of cells

Hint 9

contain

protect

Front 10

ribosomes

Back 10

a minute particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells

Hint 10

bind messenger rna and transfer rna

transport

Front 11

cytoplasm

Back 11

the cytosol and organelles of a cell

Hint 11

80% water

colorless

Front 12

cytosol

Back 12

the gel-like substance enclosed within a cell membrane

Hint 12

cell membrane

gel

Front 13

organelles

Back 13

a cell's internal sub-structures

Hint 13

sub-unit

special function

Front 14

nucleolus

Back 14

the site of ribosome synthesis and assembly

Hint 14

largest structure in the nucleus of eukaryotic cells

assembly

Front 15

cytoskeleton

Back 15

a network of fibers composed as proteins contained within the cytoplasm

Hint 15

dynamic

help with shape, support, and movement

Front 16

ER

Back 16

forms a network across the cell

Hint 16

endoplasmic reticulum

network

Front 17

golgi

Back 17

packing organelle

Hint 17

builds lysosomes

builds

Front 18

vesicles

Back 18

consisting of fluid enclosed by a lipid bilayer membrane

Hint 18

small organelle

sac

Front 19

centrioles

Back 19

composed mainly of a protein called tublin

Hint 19

cylindrical structure

eukaryotic cells

Front 20

cilia

Back 20

hairlike organelles

Hint 20

locomotion

like flagella

Front 21

colony

Back 21

cluster of clone cells

Hint 21

group

one brain

Front 22

multicellular

Back 22

of many cells

Hint 22

complex

organized

Front 23

cell differentiation

Back 23

less specialized cell becomes a more specialized cell

Hint 23

happens during development of multicellular organisms

growth

Front 24

tissue

Back 24

the stage between a cell and an organ

Hint 24

organization

cells

Front 25

organ

Back 25

a collection of tissues

Hint 25

common function

tissues

Front 26

organ system

Back 26

a group of organs

Hint 26

work together

job

Front 27

organism

Back 27

contiguous living system

Hint 27

independent parts

organized

Front 28

eukaryotes

Back 28

an organism whose cells contain a nucleus and organelles

Hint 28

insects, plants, animals

complex

Front 29

lysosomes

Back 29

break down

Hint 29

animal cells

enzymes

Front 30

vaculoes

Back 30

store food, nutrients, aid with structure

Hint 30

animal and plant cells

larger in plant cells