3.2

Question 1

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

Answer 1

Nucleus

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.

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

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

Chloroplasts

Question 12

Is a network of proteins that is constantly changing to meet the needs of a cell.

Answer 12

Cytoskeleton