*Unit 3 Part 2: Cell Structure and Function

Question 1

List the function of the following organelle.
Nucleus

Answer 1

~Contains DNA
~SIte where RNA is made
~Contains nucleolus

Question 2

List the function of the following organelle.
Nuceolus

Answer 2

~Where ribosomes are made

Question 3

List the function of the following organelle.
Mitochondria

Answer 3

~Site of cellular respiration
~Energy “powerhouse”

Question 4

List the function of the following organelle.
Ribosome

Answer 4

~Site of protein synthesis

Question 5

List the function of the following organelle.
Endoplasmic reticulum

Answer 5

~Two tyes: smooth and rough
~Transports materials through the cell
~Rough portion has ribosomes

Question 6

List the function of the following organelle.
Golgi Apparatus

Answer 6

~Site where products are packaged for export

Question 7

List the function of the following organelle.
Lysosome

Answer 7

~Contains digestive enzymes

Question 8

List the function of the following organelle.
Vacuole

Answer 8

~Storage of food, water, or waste
~Plants have 1 central vacuole
~Animals have many small vacuoles

Question 9

List the function of the following organelle.
Chloroplasts

Answer 9

~Found in plants only
~Site of photosynthesis (uses sun’s energy to make glucose)

Question 10

List the function of the following organelle.
Cytoplasm

Answer 10

~Fluid inside the cell that contains organelles and is the site of many reactions

Question 11

List the function of the following organelle.
Cells Membrane

Answer 11

~Controls what enters and leaves the cell
~Made of phospholipid bilayer

Question 12

List the function of the following organelle.
Cell Wall

Answer 12

~Found in plants only
~Provides extra support

Question 13

List the function of the following organelle.
Cytoskeleton

Answer 13

~Helps maintain cell shape

Question 14

List the function of the following organelle.
Cilia

Answer 14

~Many short hair like projections that draw materials in towards cell

Question 15

List the function of the following organelle.
Flagella

Answer 15

~Long whip-like tail that moves cell through surroundings

Question 16

A _____ organism has to conduct all processes in one cell.

Answer 16

single-celled (unicellular)

Question 17

Some organisms consist as a _____ cell, while others are composed of _____ cells.

Answer 17

single; many

Question 18

______ organisms have groups of cells that specialize to perform specific functions.

Answer 18

Multicellular

Question 19

Is the following statement true or false?
Plants and animal cells are both eukaryotic cells.

Answer 19

True

Question 20

What do plant cells have that animal cells do not?

Answer 20

~Cell wall
~Chloroplasts
~One central vacuole
~Fixed, rectangular shape

Question 21

What do animal cells have that plant cells do not?

Answer 21

~No cell wall
~Centrioles for cell division
~Many small vacuoles
~Rounded, irregular shape