Exam Review

Question 1

What is the function of the endoplasmic reticulum?

Answer 1

To synthesize and transport proteins

Question 2

What is the function of the mitochondria?

Answer 2

To provide energy, in the form of ATP, for the cell

Question 3

What is the function of the ribosomes?

Answer 3

To synthesize proteins

Question 4

What is the function of the nucleolus?

Answer 4

Is the site of ribosome production

Question 5

What is the function of microfilaments and microtubules?

Answer 5

To provide structure and movement for the cell

Question 6

What is the function of the lysosome?

Answer 6

To break down waste and dead organelles

Question 7

What is the function of the golgi apparatus?

Answer 7

To package and transport proteins

Question 8

What is active transport? Give an example.

Answer 8

Moving material across the cell membrane using diffusion. Protein channel

Question 9

What is passive transport? Give an example.

Answer 9

Materials moving across a cell membrane with no required energy

Question 10

Describe the process of making and exporting a protein.

Answer 10

Ribosomes make proteins, ER transports protein to GA, GA packages and transports out of the cell

Question 11

Describe what a cell membrane looks like.

Answer 11

Organized in a phospholipid bilayer formation

Question 12

What is diffusion?

Answer 12

Molecules or particles moved passively across a concentration gradient

Question 13

What are the three steps of a cells life cycle?

Answer 13

Interphase (G1, S, G2), Mitosis, Cytokinesis

Question 14

What are the four steps of Mitosis?

Answer 14

Prophase, Metaphase, Anaphase, Telophase

Question 15

What stage of Mitosis does chromatin become chromosomes and the nuclear membrane break down?

Answer 15

Prophase

Question 16

What stage of Mitosis do chromosomes line up in the center of the cell?

Answer 16

Metaphase

Question 17

What stage of Mitosis do the centrosomes pull the chromosomes to opposite poles of the cell?

Answer 17

Anaphase

Question 18

What stage of Mitosis shows that the cell is on the verge of splitting into two?

Answer 18

Telophase

Question 19

What is the purpose of centrosomes in cellular division?

Answer 19

To pull chromosomes to opposite poles during Anaphase

Question 20

What does DNA stand for?

Answer 20

Deoxyribonucleic acid

Question 21

What is the difference between hypertonic, hypotonic, isotonic

Answer 21

Hypertonic: shrivel, puts out more than it can take in
Hypotonic: explode, takes in more than it can put out
Isotonic: equillibrium

Question 22

What is the function of the cell membrane?

Answer 22

To keep bad things out and good things in the cell.

Question 23

Tissue that binds skin to internal organs.

Answer 23

Areolar

Question 24

Tissue found between vertebrae.

Answer 24

Fibrocartilage

Question 25

Tissue that is dense and makes up tendons and ligaments.

Answer 25

Dense Fiborous

Question 26

Tissue that covers ends of bones at joints.

Answer 26

Hyaline cartilage

Question 27

Structural tissue of the skeleton

Answer 27

Bone