Chapter 3

Question 0

What are functions of the smooth ER?

Answer 0

It has various functions including lipid synthesis in some cells and distribution by vesicle formation

Question 1

What are functions of a cell wall

Answer 1

Support and protection

Question 2

What are functions of the centriole?

Answer 2

Formation of basal bodies

Question 3

What are functions of the rough ER?

Answer 3

Synthesis, and/or modification of proteins and other substances

Question 4

The molecule —– is used to fuel all energy dependent cellular processes.

Answer 4

ATP

Question 5

What are 3 components of the cytoplasm?

Answer 5

Water
Dissolved organic molecules
Salts

Question 6

The action known as —– involves the release of materials from the cell via vesicles that fuse with the plasma membrane.

Answer 6

Secretion

Question 7

The vesicles that function in the metabolism of fatty acids in a cell are called ——-.

Answer 7

Peroxisomes

Question 8

—– are vesicles that contain enzymes for digesting all macromolecules

Answer 8

Lysosomes

Question 9

Centrioles are formed from ———.

Answer 9

Microtubules

Question 10

—- and —- are the molecules that control cell contraction (muscles).

Answer 10

Actin, myosin

Question 11

What roles do microtubules play in eukaryotic cells?

Answer 11

Cilia and flagella
Cell shape
Organelle movement

Question 12

All cells, except prokaryotes, complete cellular respiration in the ——–.

Answer 12

Mitochondria

Question 13

Liver and kidney cells filter and destroy many toxins. As a result they contain high numbers of the organelle ——-.

Answer 13

Peroxisomes

Question 14

What are functions of the cytoskeleton?

Answer 14

Cellular structural support
Aids in cell division
Intracellular transport

Question 15

What are functions of the intermediate filaments?

Answer 15

Support of the nuclear envelope and the plasma membrane

Formation of cell-to-cell junctions

Question 16

—– are long thin appendages used for locomotion.

Answer 16

Flagella

Question 17

—— are short appendages used for attachment

Answer 17

Fimbriae

Question 18

—— are gelatinous sheath which surrounds and protects the cell

Answer 18

Capsule

Question 19

The —— is an organelle that is assembled in the nucleolus of the nucleus.

Answer 19

Ribosome

Question 20

What does the cell theory state?

Answer 20

That all cells come from pre-existing cells

That all organisms are made up of cells

Question 21

When ribosomes in a cells cytoplasm are attached to an organelle, that organelle now studded with ribosomes is then called rough ———- ——–.

Answer 21

Endoplasmic reticulum

Question 22

Molecules that can attach, detach, and reattach to an actin filament to produce movement are called —– ——.

Answer 22

Motor molecules

Question 23

The genetic material of a eukaryotic cell is located in the ——–, while in a prokaryotic it is located in the ——– region.

Answer 23

Nucleus

Nucloid

Question 24

The organelle ——– May function in the process of microtubule assembly and disassembly.

Answer 24

Centriole

Question 25

Cilia and flagella are composed of a type of cytoskeletal component called ———-.

Answer 25

Microtubules

Question 26

The proposal that chloroplast and mitochondria have bacterial ancestors is called the ———– theory.

Answer 26

Endosymbiotic

Question 27

What are components of the endomembrane system?

Answer 27

Endoplasmic reticulum
Golgi apparatus
Vesicles

Question 28

What are statements that support the Endosymbiotic theory?

Answer 28

Chloroplasts and mitochondria:

• Contain their own ribosomes
• Contain a double membrane which may have been derived during endocytosis
• similar to bacteria in size and shape

Question 29

A cell that has numerous mitochondria is most likely a cell that requires a lot of ——-.

Answer 29

Energy