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science 7th grade > Unit Quiz 3 > Flashcards

Unit Quiz 3 Flashcards

1
Q

What is a eukaryotic cell?

A

A cell that has a nucleus

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2
Q

What is a prokaryotic cell?

A

A cell without a nucleus

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3
Q

What organelles does a prokaryotic cell have?

A

Only cytoplasm and ribosomes

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4
Q

Give an example of an eukaryotic cell.

A

Plant and animal cells

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5
Q

Give an example of a prokaryotic cell.

A

Bacteria

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6
Q

What is the function of the cell membrane?

A

To control what enters and exits the cell

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7
Q

What is the function of the nucleus?

A

The control center of the cell– it controls the cell’s functions

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8
Q

What is the function of the cell wall?

A

To provide support and structure to the plant cell

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9
Q

What is the function of the vacuoles?

A

Storage

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10
Q

What is the function of the lysosomes?

A

“Clean up crew”– digestive system— break down waste molecules and old cell parts– only in animal cells

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11
Q

What is the function of the golgi bodies?

A

Packages carbohydrates and proteins for shipment outside the cell

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12
Q

What is the function of the mitochondria?

A

Powerhouse of the cell– provide energy for the cell by breaking down sugars– site of cellular respiration

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13
Q

What is the function of the chloroplasts?

A

Capture sunlight for the plant cell to use in photosynthesis— converts the light to produce sugars

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14
Q

What is the function of the cytoplasm?

A

Fluid in the cell that holds the organelles and maintains the pressure in the cell

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15
Q

What is the function of the rough endoplasmic reticulum?

A

Has ribosomes embedded in it; quality control of proteins

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16
Q

What is the function of the smooth endoplasmic reticulum?

A

Makes lipids (fats) and modifies proteins

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17
Q

What is the function of the ribosomes?

A

Makes proteins (protein factories)

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18
Q

What is the function of a vesicle?

A

Storage

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19
Q

Whats the 1st Characteristic of living things?

A

Made of cells

20
Q

Whats the 2nd Characteristic of living things?

A

need energy to survive

21
Q

Whats the 3rd Characteristic of living things?

A

respond to stimuli/light

22
Q

Whats the 4th Characteristic of living things?

A

all living things reproduce

23
Q

Whats the 5th Characteristic of living things?

A

grow and develop

24
Q

Whats the 6th Characteristic of living things?

A

to maintain equilibrium between interdependent elements/maintain homeostasis

25
Q

Whats the 7th Characteristic of living things?

A

to have the same genetic code as other organisms/have a universal genetic code

26
Q

Whats the 8th Characteristic of living things?

A

adapt over time

27
Q

Whats the 9th Characteristic of living things?

A

evolve over time

28
Q

Whats the 1st part of cell theory?

A

All living organisms (plants and animals) are composed of cells

29
Q

Whats the 2nd part of cell theory?

A

The cell is the basic unit of life

30
Q

Whats the 3rd part of cell theory?

A

All cells are produced from cells

31
Q

Which scientist “discovered” that cells exists?

A

Anton Van Leeuwenhoek

32
Q

Which scientist “discovered” that all plants are made of cells?

A

Schleiden discovered

33
Q

Which scientist “discovered” that all animals are made of cells?

34
Q

Who was the first person to discover cells?

A

Robert Hooke

35
Q

How do you find the total magnification of a microscope?

A

Multiply the magnification of the eyepiece by the objective lens

36
Q

What is the function of the revolving nosepiece on a microscope?

A

Turn the objective lenses

37
Q

What is the function of the objective lenses on a microscope?

A

To magnify the image

38
Q

What is the function of the arm on a microscope?

A

Used to carry the microscope

39
Q

What is the function of the base on a microscope?

A

Used to carry the microscope; attachment for other parts of microscope

40
Q

What is the function of the diaphragm on a microscope?

A

To control the amount of light that reached the specimen

41
Q

What is the function of the light source on a microscope?

A

Provides light to the specimen

42
Q

What is the function of the eyepiece on a microscope?

A

Also called the ocular lens– this is where you look to see the specimen

43
Q

What is the function of the stage on a microscope?

A

Hold the microscope slide

44
Q

What is the function of the fine adjustment on a microscope?

A

Fine tunes the image to get a clear image

45
Q

What is the function of the coarse adjustment on a microscope?

A

Raises and lowers the stage

science 7th grade (3 decks)

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