Quiz 3: Organelles 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

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2
Q

What is the phospholipid bilayer made out of

A

Water soluble heads form surfaces

Water inside able tales form interior

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3
Q

True or false

The phospholipid bilayer is not permeable to lipid soluble substances

A

False it is permeable to lipid soluble substances

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4
Q

What is the function of cholesterol

A

Stabilizes the membrane

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5
Q

What do proteins make up

A

Receptors
Pores, channels, carriers
Enzymes

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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

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7
Q

Control center of the cell

A

Nucleus

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8
Q

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

A

Multiple: skeletal muscle cell
None: mature red blood cells

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9
Q

Porous double membrane

Separates nucleoplasm from cytoplasm

A

Characteristics of the nuclear envelope

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10
Q

Dense collection of RNA and proteins

Site of ribosome production

A

Characteristics of the nucleolus

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11
Q

Fibers of DNA and proteins

Stores information for synthesis of proteins

A

Characteristics of chromatin

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12
Q

What is the structure of ribosomes

A

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

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13
Q

What is the function of ribosomes

A

Protein synthesis

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14
Q

Double membrane

Inner membrane contains metabolic enzymes

A

structure of mitochondria

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15
Q

What is the function of mitochondria

A

Production of 95% of cellular ATP

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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
Packages formed by the membranes of other organelles or the cell membrane
vesicles
26
Membrane extensions containing microfilaments
villi and microvilli
27
What is the function of villi and microvilli
Increase surface area for absorption
28
Fine protein filaments or tubes
structure of cytoskeleton
29
Strength and support | Intracellular movement
function of a cytoskeleton
30
Organizing center containing pair of centrioles
centrosome