cells Flashcards

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1
Q

What are the similarities in plant and animal cells

A

Nucleus, cytoplasm and cell membrane

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2
Q

What are the differences in plant and animal cells

A

plant cells also have cell wall, vacuole and chloroplasts

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3
Q

What is the role of a nucleus

A

controls the activities of the cell

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4
Q

What happens in the cytoplasm

A

where the chemical reactions take place

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5
Q

What is the role of the cell membrane

A

controls what goes in and out of the cell

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6
Q

What does a cell wall do

A

strengthens the cell

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7
Q

What is inside the vacuole

A

it is filled with cell sap

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8
Q

What do chloroplasts do

A

absorb light energy to make food

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9
Q

What are the mitochondrion used for

A

aerobic respiration

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10
Q

What are the different parts of a microscope

A
eye piece
objective lens
stage 
course focus
light source 
fine adjustment focus
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11
Q

How do you work our magnification

A

size of image / actual size

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12
Q

What are the four types of cells

A

Animal, plant, fungus(yeast) and bacteria

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13
Q

Which two cells are multi cellular

A

animal and plant

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14
Q

which two cells are unicellular

A

fungus(yeast) and bacteria

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15
Q

Name the specialized cells

A

Guard cells, sperm cell, red blood cell, egg cell, root hair cell, white blood cell and a nerve cell(neuron)

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16
Q

What do guard cells do

A

they change shape and open and close to form the stomta

17
Q

How are egg cells adapted

A

they have a large food store

18
Q

how are neurons adapted

A

they are long so they can make connection around the body
they have dendrites to allow nerves to make connections
contain myelin sheaths to insulate

19
Q

How are root hair cells adapted

A

have a high surface area to absorb more water and mineral ions

20
Q

How are sperm cells adapted

A

has an acrosome which contains an enzyme to break down the egg
mitochondria to power the tail
tail to help it swim

21
Q

how is a red blood cell adapted

A

no nucleus to save space so it can be filled with hemoglobin

Biconcaved disc for a large surface area

22
Q

how is a white blood cell adapted

A

Has a looped nucleus to change the shape allowing it to engulf bacteria