Chapter 1 - Looking Inside Cells

Question 1

Cell wall

Answer 1

A rigid layer that surrounds the cells of plants and some other organisms

Question 2

Cell membrane

Answer 2

Controls which substances pass into and out of a cell

Question 3

Nucleus

Answer 3

A large oval structure,that acts as a cell’s control center, directing all of the cell’s activities

Question 4

Organelles

Answer 4

Tiny cell structures that carry out specific functions within a cell

Question 5

Ribosomes

Answer 5

Small grain shaped organelles that produce proteins

Question 6

Cytoplasm

Answer 6

Fills the region between the cell membrane and nucleus

Question 7

Mitochondria

Answer 7

Convert energy stores in food to energy the cell can use to live and function

Question 8

Endoplasmic reticulum

Answer 8

(ER) an organelle with a network of membranes that produces many substances

Question 9

Golgi apparatus

Answer 9

Receives proteins and other newly formed materials from the ER, packages them, and distributes them to other parts of the cell or to the outside of the cell

Question 10

vacuole

Answer 10

Stores water, food, and other materials needed by the cell

Question 11

Chloroplast

Answer 11

Captures energy from the sunlight and changes it to a form of energy cells can use in making food

Question 12

Lysosomes

Answer 12

Contain substances the break down large food particles in to smaller ones.

Question 13

Multicellular

Answer 13

Made of many cells

Question 14

Unicellular

Answer 14

Single called organisms

Question 15

Tissue

Answer 15

A group of similar cells that work together to perform a specific function

Question 16

Organ

Answer 16

Made of different kinds of tissues that function together

Question 17

Organ system

Answer 17

A group of organs that work together to perform a major function