Introduction To Cells

Front 1

This type of microscope scatters electrons off the sample and is used to look at surface details of cells and other structures___________.

Back 1

Scanning electron Microscope

Front 2

Molecular machine that makes protein molecules are called?

Back 2

Ribosoomes

Front 3

A continual exchange in materials takes place between _______________,________________,______________ and the ________________.

Back 3

Endoplasmic Reticulum, Golgi apparatus, Lysosomes and Outside cell

Front 4

What are organelles?

Back 4

separate recognizable substructures that are hard to see under a microscope.

Front 5

Membrane surronding the organelles are called____________.

Back 5

Internal Membrane

Front 6

Recieves and often modifies chemically the molecules made in the endoplasmic reticulum is the __________________.

Back 6

Golgi Apparatus

Front 7

__________ have the simplest structure and come closes to showing us life stripped down to its essentials.

Back 7

Bacteria

Front 8

This type or microsope looks at thin sections of tissue and transmits beams of electrons rather than light ___________.

Back 8

Transmission electron microscope

Front 9

The external membrane is called the______________.

Back 9

Plasma Membrane

Front 10

The organells that generate energy fo the eucaryotic cell_______________. Appears sausage like. Contain their own DNA and reproduce by dividing into two.

Back 10

Mitochondria

Front 11

The work of Prokaryotes is divided into two domains: ____________ and ___________.

Back 11

Eubacteria and Archaea

Front 12

Nucleus

Back 12

The most prominent organell in a eukaryotic cell.

Front 13

Cytoplasm

Back 13

Clear liquid that holds the organelles.

Front 14

Large green organells that are found only in the cells of plants and algae. Contain their own DNA and reproduce by dividing into two.

Back 14

Chloroplasts

Front 15

What does Prokaryotes lack?

Back 15

Nucleus

Front 16

_________ are typically spherical, rodlike, or corkscrew-shaped, small and contains a protective coat.

Back 16

Bacteria

Front 17

An irregular maze of interconnected spaces enclosed by a folding membrane is the ____________.

Back 17

Endoplasmic Reticulum

Front 18

Site where most cell membrane components, as well as materials destined for export from cell are made in the ___________________.

Back 18

Endoplasmic Reticulum

Front 19

Stacks of flattened membrane-enclosed sacs are ____________.

Back 19

Golgi Appratus

Front 20

What does Eukaryote contain?

Back 20

Nucleus

Front 21

_____________ are small irregularly shaped organelles in which intracellular digestion occurs, releasing nutrients from food particles and breaking down unwanted molecules for recycling and excretion.

Back 21

Lysosomes

Front 22

_____________ are small, membrane-enclosed vesicles that provided a contained environment for reactions with Hydrogen peroxide.

Back 22

Peroxisomes

Front 23

_____________ are the most diverse of cells.

Back 23

Prokaryotes

Front 24

The process for which cells are engulfed into the cell is called?

Back 24

Endocytosis

Front 25

The process for which the cells contents are released from the cell is called?

Back 25

Exocytosis

Front 26

what has a double membrane bound organelle and contains chromosomes?

Back 26

Nucleus

Front 27

What membrane bound organelle is the site of oxidative phosphorylation?

Back 27

Mitochondrion

Front 28

What large green membrane bound organelle is the site of Photosynthesis?

Back 28

Chloroplasts

Front 29

What large membrane structure is the site of protein synthesis and modification and membrane synthesis?

Back 29

Endoplasmic Reticulum

Front 30

What membrane bound organelle modifies proteins and directs proteins to other locations in the cell or to the outside.

Back 30

Golgi Apparatus

Front 31

What membrane bound organelle is the site of intracellular digestion?

Back 31

Lysosomes

Front 32

What membrane bound organelle contains hydrogen peroxide used in various chemical reactions.

Back 32

Peroxisomes

Front 33

Located outside the nucleus and other organells this concentrated aqueous gell of large and small molecules is called.

Back 33

Cytosol

Front 34

A network of filaments giving the cell shape and form is called____________?

Back 34

Cytoskeleton

Front 35

Thinest of the filaments are called____________.

Back 35

Actin filaments

Front 36

This filament generates contractile forces within the cell.

Back 36

Actin Filament

Front 37

Thickest filaments are called ____________.

Back 37

Microtubules

Front 38

This filament helps pull the duplicated chromosomes in opposite directions and distributes them equally to the daughter cells.

Back 38

Microtubules

Front 39

What filament serves to strengthen the cell mechanically?

Back 39

Intermediate filament