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10th Grade > Bio: Cells > Flashcards

Bio: Cells Flashcards

1
Q

what is the function of the Plasma Membrane (or cell membrane

A
  1. Regulate that enters

2. Semipermeable membrane

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2
Q

what can enter the plasma Membrane

A

small, hydrophobic molecules
ie. CO2 , O2
small uncharged polar molecules
ie .H2O

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3
Q

What can not enter the cell Membrane

A

Large Polar Molecules

ie: Amino Acids , Glucose, Nucleotides

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4
Q

What kind of model is the cell Membrane

A

Fluid Mosaic Model

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5
Q

What does Fluid Mosaic Model mean?

A

Constantly moving arrangement of proteins

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6
Q

Where is Cytoplasm

A

Between cell membrane and the nuclear membrane

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7
Q

What does the Cytoplasm contain?

A

the Organelles

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8
Q

What takes place in the Cytoplams

A

Reactions

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9
Q

Where are Free Ribosommes

A

Free floating in cytoplasm

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10
Q

What do Ribosome’s carry?

A

Proteins

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11
Q

Where are attached Ribosommes

A

on the Rough Enduplasm reticulm

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12
Q

Nucleus?

A

Control center of the cell

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13
Q

What does the Nucleolus make?

A

Ribosommes

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14
Q

Nuclear pore

A

How substances leave the nucleus

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15
Q

Nuclear Membrane

A

surrounds the nucleus

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16
Q

Prokaryotic cells are…

A

Simple cells

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17
Q

Properties of Prokaryotic cells are

A

small,simple,unicellular,spheres,rods,spirals,DOESN’T HAVE A MEMBRANE BOUND NUCLEUS,flagella (used for movement)

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18
Q

Eukaryotic cells are….

A

Complex and Larger than prokaryotic.

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19
Q

Properties of Eukaryotic cells?

A

Large,membrane bound organelles,multicellular (they can be uni but mostly multi, ie. Yeast)

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20
Q

Viruses are….

A

Nonliving and replicate in cells

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21
Q

what three scientist contributed to the cell theory

A

Schwann, Schleiden and Virchow

22
Q

Chromatic

A

Makes DNA and condenses to chromozones

23
Q

Mitochondrion

A

Power house of the cell and makes ATP energy

24
Q

What does ATP energy stand for?

A

adenosine Tripohsphate

25
Q

whats in adenosine?

A

adenine and Ribose

26
Q

Whats in Triphosphate

A

just 3 phosphate groups

27
Q

When a phosphate has a broken bond, what does it become?

A

ADP

28
Q

Golgi

A

Modifies, packages and secretes substances

29
Q

Centriole

A

organize cell division (they look like twizlers

30
Q

Microtubule

A
  • moves chromosomes during cell division

- Together w/ Microfilament make up the cytoskeleton

31
Q

Vacuole

A

Storage (Small + few in animal cell yet Large in plant cells)
-Holds water and Nutrients

32
Q

Lysosomes

A

Cell Digestion

-break down material such as bacteria and dying organelles

33
Q

Microfiliment

A

part of cytoskeleton

34
Q

what 2 things make up the cytoskeleton?

A

Microtubule and Microfiliment

35
Q

Ribosommes

A

Make protein

36
Q

Endoplasmic Rehiculum (ER)

A
  • Transport substances

- highway of the cell

37
Q

Rough ER

A

RER

-has ribosomes

38
Q

Smooth ER

A

no ribosomes but instead Lipids

39
Q

Cell wall

A
  • made of Cellulose for plants
  • made of Chitin for fungi
  • Structure and rigidity
40
Q

Plastids

A

Only found in plant cells

-storage of chemical

41
Q

Chloroplast

A

Site of photosynthesis

42
Q

1st to use the word cell?

A

Robert Hooke:

43
Q

1st to look at organisms under the microscopes

A

Anton Von Leewehnhoek

44
Q

All animals are made of cells

A

Schwann

45
Q

All plats are made of cells

A

Schleiden

46
Q

All cells come from preexisting cells

A

Virchow

47
Q

Cell membrane is a physical structure

A

Plowe

48
Q

Nucleus is a dense region in the cell

A

Brown

49
Q

Organelles all have specific functions

A

Margolis

50
Q

Chloroplast

A

enclosed by double membrane; all reaction of photosynthesis occur in chloroplast

51
Q

Golgi

A

Modifies, packages and scretes substanaces (post office)

10th Grade (5 decks)

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