Cell Biology Flashcards

1
Q

What are the two cells that are Eukaryotic cells?

A

Animal Cell

Plant Cell

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2
Q

What is an example of a Prokaryotic cell?

A

Bacteria cell

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3
Q

What is an example of a Prokaryotic cell?

A

Bacteria cell

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4
Q

What’s the difference between a prokaryotic cell and eukaryotic cell?

A

Prokaryotic cell is much smaller in size

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5
Q

What does the flagellum do?

A

It helps them move

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6
Q

What does measure cells in?

A

Micrometers

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7
Q

Why is a light microscope two most popular?

A

Easy to use

Inexpensive

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8
Q

What’s the maximum magnification of a light microscope?

A

200mm

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9
Q

How does an electronic microscope work?

A

Shine electronic as scattered through the specimen

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10
Q

What’s the maximum resolution of an electronic microscope?

A

1nm

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11
Q

What’s the advantage of using an electronic microscope?

A

Can see smaller things

more detail as higher resolution and magnification

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12
Q

What’s the magnification calculation?

A

size of image
magnification size of real
of image object

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13
Q

What does the ribosome do?

A

Small structure that makes proteins

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14
Q

What does the mitochondria do?

A

Respiration

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15
Q

What is a chloroplast?

A

Makes the plant green

signs of photosynthesis

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16
Q

What’s does the vacuole contain?

17
Q

What’s does the nucleus do?

A

Controls the activity of cell

18
Q

What’s the cytoplasm?

A

site of chemical reactions in the cell

19
Q

What does the cell membrane do?

A

control what moves in and out of cell

20
Q

What is cell differentiation?

A

To formally different types of cells

21
Q

What’s a specialised cell?

A

A cell that is adapted to carry out a particular function

22
Q

What are chromosomes made of?

23
Q

What controls the rate of chemical reaction in the cytoplasm?

24
Q

How does the mitochondria help a sperm carry out its function?

A

It releases energy so it can swim

25
How many chromosomes are there in a human cell?
46
26
How many pairs of chromosomes are there?
23
27
What should a cell do before it divides?
Replicate the DNA
28
What's a stem cell?
A stem cell is an undifferentiated cell
29
What are two specialised cells in a human?
Nerve cells | ciliated cell
30
What is diffusion?
Spreading out of particles from higher to lower concentration
31
What are three factors that affect the rate of diffusion?
Temperature Difference in concentration Surface are of the membrane
32
What can stem cells be used for?
To treat Diseases
33
What's the name of the process which moves into cells?
osmosis
34
What's the process which plant roots absorb mineral ions?
Active transport
35
Why does roots store starch?
Starch is an energy source