Bio Unit 1 Flashcards

1
Q

What’s the difference between monocular and binocular microscopes

A

Mono use one eye

Bino uses two eyes

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2
Q

How do you find the magnification

A

Multiply the the object number by the eyepiece

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3
Q

How do you carry the microscope

A

Carry the Microscope by the base and arm

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4
Q

How do you categorise cells

A

By the presence and absence of particular organelles

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5
Q

Why are cells small

A

So they can take in substances quickly and discrete waste

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6
Q

What is in the Cell membranes

A

Most cells have a cell membrane made of cytosol and ribosome.

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7
Q

What does the cell membranes do

A

Regulates the movement of substances into and out of the cell.

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8
Q

Why doesn’t Unicellular cells have cell membrane

A

Because they can carry out the same process without a cell membrane

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9
Q

How do cells reproduce

A

By splitting into 2

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10
Q

Five kingdoms

A
Protocitista 
Animalia 
Plante
Fungi
Prokaryotes
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11
Q

What are multicellular made up of

A

Different cells with different jobs. Those cells have particular structures

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12
Q

Nucleus

A

Controlling centre of cell

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13
Q

Mitochondria

A

Energy, power pack, deals with cell respiration

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14
Q

Chloroplast

A

On,h I’m plants

Uses energy from the sun to make food

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15
Q

Vacuoles

A

Stores water

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16
Q

Golgi bodies

A

Packages protein into membrane

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17
Q

Cell wall

A

Makes the plant cell rigid

18
Q

Mitochondria and chloroplast are ….

A

Membrane- bound organelles

19
Q

Mitochondria is found in …

A

All cells as they are involved in cellular respiration

20
Q

What cells are chloroplasts found in

A

Cells that photosynthesis

21
Q

How to make a wet mount

A
  1. Put a drop of water on a pipette
  2. Place cover slip over by putting one edge down first
  3. Use microscope
22
Q

Microscope

A

An instrument for viewing small objects

23
Q

Cells

A

Smallest unit of life
Building block of living things
Different sizes and shapes

24
Q

Light microscope

A

Uses light to magnify things up to 1500 times bigger

25
Electron microscope
More powerful then light microscope and magnify things up to a million times
26
Unicellular
Having only one cell
27
Multicellular
Having many cells | Most plant and animal cell
28
Micrometer
A length of one millionth of a metre
29
Nanometer
A unit of measurement equal to one billionth of a metre
30
Nanotechnology
A rapidly developing technology for studying cells and other small objects
31
Prokaryotes
Single cell that doesn’t have a membrane or nucleus
32
Eukaryote
Has a membrane around the nucleus in each of the cells
33
Binary fission
Reproduction by the division of an organism into two new organisms (usually single celled)
34
What is a Cell membrane
Structure that encloses the contents of a cell and allows the movement of some minerals in and out
35
Cytosol
The fluid found inside cells
36
Ribosomes
Small structures within cell in which proteins are made
37
Metabolism
The chemical reaction occurring that allows the organism to use energy and grow and repair
38
Chloroplast
Oval shaped organelle found only in plants | Photosynthesis
39
Cellular respiration
The chemical process that moves energy in glucose into the compound
40
Organelle
Small structure in a cell with a special function