3.2 Cell Organelles

Question 0

Is the storehouse for most of the genetic infor- mation, or DNA (deoxyribonucleic acid), in your cells.

Answer 0

Nucleus

Question 1

Each eukaryotic cell has a ____________, which is a network of proteins that is constantly changing to meet the needs of a cell.

Answer 1

Cytoskeleton

Question 2

Or the ER, is an interconnected network of thin folded membranes.

Answer 2

Endoplasmic reticulum

Question 3

Tiny organelles that link amino acids together to form proteins.

Answer 3

Ribosomes

Question 4

Consists of closely layered stacks of membrane-enclosed spaces that process, sort, and deliver proteins.

Answer 4

Golgi apparatus

Question 5

Are a general name used to describe small membrane-bound sacs that divide some materials from the rest of the cytoplasm and transport these materials from place to place within the cell.

Answer 5

Vesicles

Question 6

Supply energy to the cell and are bean shaped and have two membranes

Answer 6

Mitochondria

Question 7

Is a fluid-filled sac used for the storage of materials needed by a cell.

Answer 7

Vacuole

Question 8

Are membrane-bound organelles that contain enzymes.

Answer 8

Lysosomes

Question 9

Are cylinder-shaped organelles made of short microtubules arranged in a circle.

Answer 9

Centrioles

Question 10

In plants, algae, fungi, and most bacteria, the cell membrane is surrounded by a strong _________, which is a rigid layer that gives protection, support, and shape to the cell.

Answer 10

Cell wall

Question 11

Are organelles that carry out photosynthesis, a series of complex chemical reactions that convert solar energy into energy- rich molecules the cell can use.

Answer 11

Chloroplast