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Science > Biology Anything With Cells > Flashcards

Biology Anything With Cells Flashcards

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Biology 101 flashcards
1
Q

Parts of the cell

What does the nucleus contain?

A

The cells DNA

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2
Q

Cell theory

What is spontaneous generation?

A

Everyone thought things just grew out of mid air

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3
Q

Cell theory

Provide 2 examples of spontaneous generation

A

Mice form from dirty clothes/ corn husks

Maggots form from rotting meat

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4
Q

Cell theory

List 5 characteristics of al living things

A

They have to have a lifespan

Grow in size, reproduce, and are able to repair ourselves

Can sense and respond to changes in the environment

Require energy

Produce wastes

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5
Q

Parts of the cell

What is the cell membrane made of?

A

A double layer of lipids long chain molecules found in fats

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6
Q

Parts of the cell

What does a cell membrane do?

A

Allows different substances to move through it

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7
Q

Cell theory

What is an organism?

A

All living things are organisms

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8
Q

Cell theory

What is the completed cell theory?

A

All organisms are composed of one or more cells

This cell is the basic unit of life in all living things

All cells are produced by the divisions of preexisting cells

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9
Q

Parts of the cell

Where does the Golgi body receive proteins from?

A

The endoplasmic reticulum

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10
Q

Parts of the cell

What does the Golgi body do?

A

Modify sorts and packages these proteins for delivery throughout the cell or outside the cel

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11
Q

Parts of the cel

What is the internal network of fibres called

A

Cytoskeleton

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12
Q

Parts of the cell

What is the purpose of vesicles?

A

Transport substances through the cell

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13
Q

Parts of the cell

What is considered the “power house” of the cell?

A

Mitochondrion

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14
Q

Parts of the cell

What’s another word for the Golgi body?

A

Apparatus

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15
Q

Parts of the cell

Where is the nucleus located in the cell?

A

Is wrapped in the nuclear envelope, which contains pores to allow transport of materials

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16
Q

Parts of the cell

What is the purpose of the vacuole and vesicle?

A

Stores nutrients, wastes and other substances needed by the cell

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17
Q

Parts of the cell

What does the central vacuole store in plant cells?

A

Stores water for the cell

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18
Q

Parts of the cell

What are the sites called where proteins are assembled?

A

Ribosomes

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19
Q

Parts of the cells

Do lysosomes breakdown?

A

Yes, invading bacteria and damaged cel organelles

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20
Q

Parts of the cell

What is the endoplasmic reticulum made of?

A

A series of interconnected small tubes that carry materials through the cell

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21
Q

Parts of the cell

What is the cytoplasm?

A

A jelly like substance that fills the cell and surround the organelles

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22
Q

The cell cycle

How many cel checkpoints are in the cell cycle?

A

There are 3 checkpoints for the cell to determine if it should continue the cell cycle

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23
Q

Parts of the cell

What are the smaller parts of a cel called?

A

Organelles

24
Q

The cell cycle

What is vital to normal growth and development of a cell?

A

Controlling the rate and timing is vital to normal growth and development

25
Q

Parts of the cell

What does the rough endoplasmic reticulum do?

A

Associates with making proteins

26
Q

The cell cycle

How many skin cells do we loose approximately each year?

A

Approximately 3kg

27
Q

Parts of the cell

Is cytoplasm found in all cells?

A

Yes

28
Q

Cell theory

What is biology?

A

Biology is a natural science concerned with the study of life and living organisms including the structure, function, growth, evolution, distribution and taxonomy

29
Q

Parts of the cell

What is the cytoskeleton made up of?

A

Protein filaments it helps maintain cell shape

30
Q

The cell cycle

What are the skin cels replaces by?

A

Cell division

31
Q

Parts of the cell

What does the nucleus do?

A

Controls all the activity in a cel including growth and reproduction

32
Q

Parts of the cell

What are the possible functions of organelles

A 
Intake of nutrients
Exchange of gasses 
Movement 
Waste removal 
Growth reproduction
Response to stimuli
33
Q

Parts of the cell

What happens in the lysosomes

A

This is where digestion takes place

34
Q

The cell cycle

When do the DNA checkpoints occur?

A

G1
G2
Mphase

35
Q

Parts of the cell

What does the smooth endoplasmic reticulum do?

A

Production of fats and oils

36
Q

The cell cycle

What are the three reasons the cell will stop at a checkpoint?

A

There are not enough nutrients to support cell growth

The DNA has not replicated properly

The DNA is damaged

37
Q

Parts of the cell

What are ribosomes?

A

Small dense looking organelles that may be attached to the rough endoplasmic reticulum or free in the cytoplasm

38
Q

The cel cycle

What happens at each checkpoint?

A

Special proteins halt the cycle until they receive signals that allow it to proceed

39
Q

Parts of the cell

What does chlorophyll use energy from the sun for?

A

To convert carbon dioxide and water into sugar and oxygen in a process called photosynthesis

40
Q

The cell cycle

How many phases are in the cell cycle?

A

2 phases each with sub phases

41
Q

Parts of the cell

What happens in the mitochondrion?

A

Reactions occur in these organ cells to convert the chemical energy in sugar into energy that the cell can use

42
Q

The cell cycle

What do the molecules control?

A

The control the whole cell cycle

43
Q

Parts of the cell

What are thylakoids and where are they found?

A

Thylakoids collect light energy from the sun, they are found in the chlorophyll

44
Q

Cell cycle

What is the function of molecules?

A

The function of molecules many of them proteins, carry messages between cells

45
Q

Parts of the cell

What is the cell wall?

A

A rigid frame around the cell

46
Q

The cell cycle

Does cell division need to be controlled for the cell to function?

A

Yes or the organism won’t function properly

47
Q

Parts of the cell

What are lysosomes filled with?

A

Enzymes

48
Q

Cel theory

What is the development of cell theory?

A

All plant parts are made of cells

49
Q

Parts of the cell

What does the cytoplasm contain?

A

Nutrients required by the cel to carry in its life process

50
Q

The cell cycle

How long does it take for the skin cell to reach the surface once it divides

A

It takes about 2 weeks to move to the surface

51
Q

Parts of the cell

What does the cell wall do?

A

Provides strength protection and support to the cell

52
Q

The cell cycle

How many sub-phases are in the M-phase?

A

2 mitosis and cytokinesis

53
Q

Parts of the cell

Are all cells identical?

A

No not all cells are identical

54
Q

The cell cycle

How many sub phases are in interphase?

A

3

G1
G2
Sphase

55
Q

Parts of the cell

What does the chloroplast contain?

A

A green substance called chlorophyll

56
Q

The cell cycle

What checkpoints is the most important? What happens to many cells after that checkpoint?

A

For many cells the most important is after mphase. Most s leave the cycle and take on specific roles. Specialization.

Science (16 decks)

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