2.1 Kahoot - exam Flashcards

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1
Q

Prokaryotes lack…

A

a nucleus

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2
Q

One way Prokaryotes and Eukaryotes differ is:

A

Eukarya have organelles and Prokarya don’t

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3
Q

What is an organelle?

A

A working part of a cell

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4
Q

What does the nucleus do for the cell?

A

Stores & replicates DNA for the cell

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5
Q

What is Chomatin made of??

A

DNA + histone Protein

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6
Q

What is the difference betwee Chomatin and Chromosomes?

A

Chromatin is Loose DNA

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7
Q

What best describes the nuclear envelope

A

double membrane surrounding the nucleus holding DNA

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8
Q

What is the function of a nucleolus?

A

creates ribosome parts

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9
Q

What can pass freely through the pores of the nuclear envelope?

A

RNA

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10
Q

The structure of ribosomes includes

A

both rRNA and proteins

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11
Q

What is the function of ribosomes?

A

Protein synthesis

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12
Q

Function of rough endoplasmic reticulum…

A

synthesize and package proteins for transport

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13
Q

Smooth endoplasmic reticulum

A

important in the creation and storage of lipids

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14
Q

What is the function of the vesicle in a cell?

A

It transports/stores products for the cell.

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15
Q

large storage organelle in plants

A

Vacuole

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16
Q

Function of Golgi bodies

A

packages cell’s product for export

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17
Q

The Golgi Apparatus trans face

A

sends secretory vesicles away from the Golgi

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18
Q

the endomembane system includes

A
  • golgi apparatus
  • cell membrane
  • endoplasmic reticulum
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19
Q

functions of Endomembrane System?

A
  • Ship products to the Golgi Apparatus
  • Modify lipids, sugars, proteins
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20
Q

What is contained within lysosomes?

A

Enzymes

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21
Q

The stacks of flattened tubes of the Golgi apparatus are called

A

cisternae

22
Q

What do lysosomes do?

A

They do intracellular digestion

23
Q

Where are lysosomes made?

A

golgi apparatus

24
Q

Where are peroxisomes made?

A

Smooth ER

25
Q

what do peroxisomes contain?

A

catalase to degrade H2O2 (hydrogen peroxide)

26
Q

What types of cells have a high concentration of mitochondria?

A

heart cells

27
Q

Describe the compound reaction occurs in the mitochondria?

A

C6H12O6 + 6O2 → 6H2O + 6CO2
(Glucose + oxygen → water + carbon dioxide)

28
Q

The inner folds of the mitochondrial membrane are called

A

Cristae

29
Q

What is the liquid inside of a chloroplast?

A

stroma

30
Q

What are the structures inside the chloroplast that contain chlorophyll?

A

thylakoids

31
Q

The cell wall is located…

A

Outside of the cell membrane

32
Q

Cell wall function…

A

provide shape and support

33
Q

what is found in the cytoskeleton of a cell?

A
  • intermediate filaments
  • microtubules
  • microfilaments
34
Q

Which part of the cytoskeleton helps with the movement of organelles?

A

microtubules

35
Q

Which part of the cytoskeleton aids in muscle contraction?

A

microfilaments

36
Q

What structures form a centrosome?

A

Centrioles

37
Q

Cilia and _______________________ are structures that enable cell movement

A

flagella

38
Q

what is the importance of cytoplasm?

A

site of many chemical reactions

39
Q

Cell membrane is made mostly of:

A

Lipids

40
Q

The outer surface of cell membranes are made by the:

A

hydrophilic heads

41
Q

How does the presence of double bonds in the fatty acid tails affect cell membrane?

A

increases the fluidity

42
Q

How does a colder temperature affect the cell membrane?

A

decreases the fluidity

43
Q

What effect does cholesterol have on membrane fluidity?

A

It stabilizes

44
Q

Peripheral proteins can be found:

A

bound to the surface of the membrane

45
Q

What is functions of proteins in cell membranes?

A
  • Transport
  • Enzymes
  • Signal reception
46
Q

What is the primary function of carbohydrates attached to cell membrane?

A

Identification of the cell

47
Q

Name for carbohydrates attached to a lipid of the cell membrane

A

glycolipid

48
Q

What organelle holds waste and water for the cell?

A

vacuole

49
Q

What organelle sorts and packages proteins into vesicles for export?

A

Golgi body

50
Q

What organelle is the “powerhouse” of the cell

A

Mitochondria

51
Q

What Organelle was nicknamed the “garbage disposal” of the cell?

A

lysosome