Cellular Organelles And Their Functions

Question 1

Cilia

Answer 1

Short hair like projections for movement of substances

Question 2

Cytosol

Answer 2

Intercellular fluid

Question 3

Mitochondria

Answer 3

Site of energy production by cellular respiration

Question 4

Ribosomes

Answer 4

Site of protein synthesis

Question 5

Smooth ER

Answer 5

Site of steroid and fatty acid synthesis

Question 6

Lysosomes

Answer 6

Small vesicles with digestive enzymes

Question 7

Centrosomes

Answer 7

Organelles needed to form cilia and flagella; produces mitotic spindle

Question 8

Chromatin

Answer 8

Thread like strand of DNA with associated proteins

Question 9

rough ER

Answer 9

Site of secretory and membrane protein synthesis

Question 10

Golgi apparatus

Answer 10

Site where protein products are stored, packaged and exported

Question 11

Nucleus

Answer 11

Contains DNA that controls cellular activities

Question 12

Nucleolus

Answer 12

Site of ribosome synthesis

Question 13

Cytoskeleton

Answer 13

Gives the cell shape, support, movement, and holds organelles in position

Question 14

Microvillis

Answer 14

Folds of the plasma membrane that increase the cells surface area

Question 15

Peroxisome

Answer 15

Detoxifies harmful substances, produces hydrogen peroxide and oxidizes amino acids

Question 16

Nuclear envelope

Answer 16

Double membrane that separates the nucleus from the cytoplasm

Question 17

Secretory vesicle

Answer 17

Small membranous sac that delivers proteins to the plasma membrane to exit the cell

Question 18

List three main structures of a cell

Answer 18

Plasma membrane, nucleus, cytoplasm

Question 19

What two components make up the cytoplasm

Answer 19

Cytosol and organelles