Quiz 3: Organelles Flashcards Preview

A&P 1 > Quiz 3: Organelles > Flashcards

Flashcards in Quiz 3: Organelles Deck (30)
Loading flashcards...
1
Q

What is the cell theory

A

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

2
Q

What is the phospholipid bilayer made out of

A

Water soluble heads form surfaces

Water inside able tales form interior

3
Q

True or false

The phospholipid bilayer is not permeable to lipid soluble substances

A

False it is permeable to lipid soluble substances

4
Q

What is the function of cholesterol

A

Stabilizes the membrane

5
Q

What do proteins make up

A

Receptors
Pores, channels, carriers
Enzymes

6
Q

What are the four functions of the plasma membrane

A

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

7
Q

Control center of the cell

A

Nucleus

8
Q

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

A

Multiple: skeletal muscle cell
None: mature red blood cells

9
Q

Porous double membrane

Separates nucleoplasm from cytoplasm

A

Characteristics of the nuclear envelope

10
Q

Dense collection of RNA and proteins

Site of ribosome production

A

Characteristics of the nucleolus

11
Q

Fibers of DNA and proteins

Stores information for synthesis of proteins

A

Characteristics of chromatin

12
Q

What is the structure of ribosomes

A

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

13
Q

What is the function of ribosomes

A

Protein synthesis

14
Q

Double membrane

Inner membrane contains metabolic enzymes

A

structure of mitochondria

15
Q

What is the function of mitochondria

A

Production of 95% of cellular ATP

16
Q

What is the structure of the Lysozyme

A

Vessels containing digestive enzymes

17
Q

What is the function of the Lysozyme

A

Removal of damaged organelles or a pathogens

18
Q

What is the structure of peroxisome

A

Vessels containing degradative enzymes

19
Q

What are the functions of peroxisomes

A

Catabolism of fats or other organic compounds

Neutralization of toxic compounds

20
Q

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

A

What are the functions of smooth endoplasmic reticulum

21
Q

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

A

the characteristics and functions of rough endoplasmic reticulum

22
Q

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

A

Functions of the Golgi apparatus

23
Q

Long, slender plasma membrane extensions

Common and respiratory and reproductive tract

A

Characteristics of cilia

24
Q

What is a flagella

A

Tail for movement in humans only be found in sperm

25
Q

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

A

vesicles

26
Q

Membrane extensions containing microfilaments

A

villi and microvilli

27
Q

What is the function of villi and microvilli

A

Increase surface area for absorption

28
Q

Fine protein filaments or tubes

A

structure of cytoskeleton

29
Q

Strength and support

Intracellular movement

A

function of a cytoskeleton

30
Q

Organizing center containing pair of centrioles

A

centrosome