Chapter 6

Question 1

What is the difference between light end electron microscopy?

Answer 1

Light microscopy are able to see live things why electron microscopy you cannot see live things

Question 2

How big are cells?

Answer 2

50-100 microns

Question 3

What are the structural differences between prokaryotic and eukaryotic cells?

Answer 3

Prokaryotic cells do not have membrane bound organelles and a nucleus but a nucleoid instead, eukaryotic cells have membranes that compartmentalize their functions

Question 4

Area in the cells where DNA is stored

Answer 4

Nucleus

Question 5

Used for protein synthesis

Answer 5

Ribosomes

Question 6

Functions as a storage and breakdown of waste products in the cell

Answer 6

Vacuole

Question 7

Organelle active in synthesis, modification, sorting, and secretion of cell products

Answer 7

Golgi body

Question 8

Area where cellular respiration occurs

Answer 8

Mitochondria

Question 9

Reinforces the cell’s shape and movement

Answer 9

Cytoskeleton

Question 10

Organelle with specialized metabolic function

Answer 10

Peroxisome

Question 11

Digestive molecule where macromolecules are hydrolyzed

Answer 11

Lysosome

Question 12

Active in membrane synthesis and metabolic processes

Answer 12

Endoplasmic reticulum

Question 13

What makes up the endomembrane system?

Answer 13

Nuclear envelope, ER, vesicles, golgi body, lysosome, vacuole

Question 14

Performs protein traffic and metabolic functions

Answer 14

Endomembrane system

Question 15

Locomotor appendages of cells

Answer 15

Microtubules

Question 16

Used for muscle contraction, cytoplasmic streaming

Answer 16

Intermediate filaments

Question 17

Tension bearing, anchors organelles

Answer 17

Microfilaments

Question 18

What are microtubules made of?

Answer 18

Tubulin

Question 19

What are microfilaments made of?

Answer 19

Actin

Question 20

What are intermediate filaments made of?

Answer 20

Keratin

Question 21

Microtubule organizing center

Answer 21

Centrosome

Question 22

Structure in the centrosome that is composed of a cylinder of microtubules

Answer 22

Centriole

Question 23

Meshwork of surrounding animal cells, consists of glycoproteins, polysaccharides, and proteoglycans synthesized and secreted by cells

Answer 23

ECM

Question 24

What is the role of the extracellular matrix? (ECM)

Answer 24

Influences the cell’s behavior and genes

Question 25

What are plant cell walls made of?

Answer 25

Cellulose

Question 26

What is the difference between plant cell walls and bacterial cell walls?

Answer 26

Plant cell walls are made up of cellulose while bacterial cell walls are made of peptidoglycan

Question 27

Prevents the material leakage through the space between cells

Answer 27

Tight junction

Question 28

Junction that functions as a rivet, fastening cells together

Answer 28

Desmosome

Question 29

Junction that allows the passage of material between cells

Answer 29

Gap junction

Question 30

Where are cell junctions common in?

Answer 30

Epithelial tissues

Question 31

Theory that a prokaryotic cell engulfed by a host cell to make chloroplasts and mitochondria.

Answer 31

Endosymbiont theory