Organelles

Question 1

Also called Plasma Membrane.

Answer 1

Cell Membrane

Question 2

Separates the cell from its external environment.

Answer 2

Cell Membrane

Question 3

Covers & protects the cell. Gives shape to the cell.

Answer 3

Cell Membrane

Question 4

Semi-permeable: Regulates the movement and selects the material that passes through it.

Answer 4

Cell Membrane

Question 5

Also called protoplasm. Inside of the cell.

Answer 5

Cytoplasm

Question 6

Contains the organelles that perform all the physiological properties of the cell.

Answer 6

Cytoplasm

Question 7

Gel-like material.

Answer 7

Cytoplasm

Question 8

70% of the cytoplasm. Mixture of cytoskeleton filaments, dissolved materials, and water.

Answer 8

Cytosol

Question 9

System of membranous tubules and sacs.

Answer 9

Endoplasmic Reticulum

Question 10

Internal transport system. Allows molecules in the cell to move from one part to another.

Answer 10

Endoplasmic Reticulum

Question 11

Lined with ribosomes (ER).

Answer 11

Rough ER

Question 12

Protein synthesis & transport (ER).

Answer 12

Rough ER

Question 13

No ribosomes (ER)

Answer 13

Soft ER

Question 14

Transport materials other than protein (lipids) (ER).

Answer 14

Soft ER

Question 15

Most common organelles in almost all cells. Not surrounded by a membrane.

Answer 15

Ribosomes

Question 16

Sites for protein synthesis.

Answer 16

Ribosomes

Question 17

Group of 80S ribosomes working together translating mRNA to polypeptides.

Answer 17

Polysome/Polyribosome

Question 18

Floating in the cytoplasm. Size 70S. In prokaryotes.

Answer 18

Free Ribosomes

Question 19

Lined the membranes of endoplasmic reticulum. Size 80S. In eukaryotes.

Answer 19

Attached Ribosomes

Question 20

Powerhouse of the cell. Largest organelles second to nucleus and chloroplasts.

Answer 20

Mitochondria

Question 21

Manufactures energy in the form of ATP. Metabolizes carbohydrate and fatty acid to generate energy.

Answer 21

Mitochondria

Question 22

Acts like a digestive system to breakdown nutrients to produce energy rich molecules.

Answer 22

Mitochondria

Question 23

Infoldings (increases the surface of mitochondrial membrane).

Answer 23

Cristae (mitochondria)

Question 24

Processing and packaging plant, and secretory vesicle.

Answer 24

Golgi Apparatus

Question 25

Fused flattened sacs or folds. Also called dictyosome (in golgi body).

Answer 25

Cisternae

Question 26

Involved in the distribution of lipids around the cell.

Answer 26

Golgi Apparatus

Question 27

Protein synthesized in the ER packed into the vesicles and fused with the golgi body for secretion via exocytosis.

Answer 27

Golgi Apparatus

Question 28

Are vesicles with protein enzymes pinched off by golgi body to the cytoplasm.

Answer 28

Lysosomes

Question 29

Storage bubbles found in cells. Membrane-bound fluid sac.

Answer 29

Vacuole

Question 30

Stores large amount of various materials, like organic and inorganic molecules.

Answer 30

Vacuole

Question 31

Assisting in endocytosis and exocytosis.

Answer 31

Vacuole

Question 32

Tiny sac produced by golgi body.

Answer 32

Lysosome

Question 33

Contains digestive enzymes to help in the process of digestion.

Answer 33

Lysosome

Question 34

Digests and worn out organelles, and engulfed bacteria or viruses.

Answer 34

Lysosome

Question 35

Complex network of interlinking filaments or tubules. Cell skeleton.

Answer 35

Cytoskeleton

Question 36

Contractile (made of actin).

Answer 36

Microfilaments (cytoskeleton)

Question 37

Rigid, hollow tubes (made of tubulin).

Answer 37

Microtubules (cytoskeleton)

Question 38

Provide strength and support.

Answer 38

Intermediate filaments (cytoskeleton)

Question 39

Organizing centers for microtubule. Contains 2 bundles of microtubules at right angle to each other.

Answer 39

Centrioles

Question 40

Form the spindle fibers for the separation of chromosomes.

Answer 40

Centrioles

Question 41

House of centrioles.

Answer 41

Centrosomes (centrioles)

Question 42

For cell movement.

Answer 42

Flagella and Cilia

Question 43

Short, hair-like, and numerous in number.

Answer 43

Cilia

Question 44

Long, thread-like, and fewer in number.

Answer 44

Flagella

Question 45

Normally the largest organelle.

Answer 45

Nucleus

Question 46

Double membrane with many pores. Controls the movement of material in and out of the nucleus.

Answer 46

Nuclear envelope (nucleus)

Question 47

Spherical body in the nucleus for protein synthesis.

Answer 47

Nucleolus (nucleus)

Question 48

Houses the genes (DNA).

Answer 48

Centrosomes (nucleus)