Quiz 3: Organelles

Question 1

What is the cell theory

Answer 1

Cells are building blocks of all living things
All new cells come from division of pre-existing cells
Cells are the smallest unit that perform all vital physiological functions

Question 2

What is the phospholipid bilayer made out of

Answer 2

Water soluble heads form surfaces

Water inside able tales form interior

Question 3

True or false

The phospholipid bilayer is not permeable to lipid soluble substances

Answer 3

False it is permeable to lipid soluble substances

Question 4

What is the function of cholesterol

Answer 4

Stabilizes the membrane

Question 5

What do proteins make up

Answer 5

Receptors
Pores, channels, carriers
Enzymes

Question 6

What are the four functions of the plasma membrane

Answer 6

Physical isolation
Regulation of exchange with the environment
Sensitivity to the environment
Structural support

Question 7

Control center of the cell

Answer 7

Nucleus

Question 8

What are the exceptions of the only one nucleus per cell rule

Answer 8

Multiple: skeletal muscle cell
None: mature red blood cells

Question 9

Porous double membrane

Separates nucleoplasm from cytoplasm

Answer 9

Characteristics of the nuclear envelope

Question 10

Dense collection of RNA and proteins

Site of ribosome production

Answer 10

Characteristics of the nucleolus

Question 11

Fibers of DNA and proteins

Stores information for synthesis of proteins

Answer 11

Characteristics of chromatin

Question 12

What is the structure of ribosomes

Answer 12

RNA and proteins
Fixed: attached to endoplasmic reticulum
Free: scattered and cytoplasm

Question 13

What is the function of ribosomes

Answer 13

Protein synthesis

Question 14

Double membrane

Inner membrane contains metabolic enzymes

Answer 14

structure of mitochondria

Question 15

What is the function of mitochondria

Answer 15

Production of 95% of cellular ATP

Question 16

What is the structure of the Lysozyme

Answer 16

Vessels containing digestive enzymes

Question 17

What is the function of the Lysozyme

Answer 17

Removal of damaged organelles or a pathogens

Question 18

What is the structure of peroxisome

Answer 18

Vessels containing degradative enzymes

Question 19

What are the functions of peroxisomes

Answer 19

Catabolism of fats or other organic compounds

Neutralization of toxic compounds

Question 20

Synthesis of phospholipids and cholesterol
Synthesis of steroid hormones
Synthesis and storage of glycerides
Synthesis and storage of glycogen

Answer 20

What are the functions of smooth endoplasmic reticulum

Question 21

Has attached ribosomes
Modification of newly synthesized proteins
Export to Golgi apparatus

Answer 21

the characteristics and functions of rough endoplasmic reticulum

Question 22

Storage and alteration of synthesized products
Modifications of proteins(add or subtract components)
Packaging of proteins in vesicles

Answer 22

Functions of the Golgi apparatus

Question 23

Long, slender plasma membrane extensions

Common and respiratory and reproductive tract

Answer 23

Characteristics of cilia

Question 24

What is a flagella

Answer 24

Tail for movement in humans only be found in sperm

Question 25

Packages formed by the membranes of other organelles or the cell membrane

Answer 25

vesicles

Question 26

Membrane extensions containing microfilaments

Answer 26

villi and microvilli

Question 27

What is the function of villi and microvilli

Answer 27

Increase surface area for absorption

Question 28

Fine protein filaments or tubes

Answer 28

structure of cytoskeleton

Question 29

Strength and support

Intracellular movement

Answer 29

function of a cytoskeleton

Question 30

Organizing center containing pair of centrioles

Answer 30

centrosome