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Brain Scape science 10 > Cells > Flashcards

Cells Flashcards

1
Q

Cells

A

Cells are the building blocks of life and come in many different shapes and sizes. Cells are found in living organisms such as plants, animals and others

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2
Q

Light microscope

A

instrument for viewing very small objects. A light microscope can magnify things up to 1500 times.

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3
Q

Electron microscope

A

instrument for viewing very small objects. An electron microscope is much more powerful than a light microscope and can magnify things up to a million times.

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4
Q

Monocular

A

Monocular: describes a microscope through which the specimen is seen using one eye only

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5
Q

Binoculars

A

Binocular: a microscope with two eyepieces, so you use both eyes to look at the object

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6
Q

Stereo

A

describes a microscope through which the specimen is viewed using both eyes

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7
Q

Magnification

A

the number of times the image of an object has been enlarged using a lens or lens system. For example, a magnification of two means the object has been enlarged to twice its actual size.

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8
Q

Microscope

A

A instrument used to view small objects

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9
Q

Unicellular

A

A Noam with only one cell

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10
Q

Multicellular

A

A plant or organism with more then one cell

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11
Q

Micro metre

A

A length that is one millionth of a metre

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12
Q

Nano metre

A

One millionth of one metre

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13
Q

Nanotechnology

A

A field of science where they study cells and objects of small dimensions

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14
Q

Prokaryotes

A

organism classified as belonging to the Prokaryotae kingdom

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15
Q

Eukaryotes

A

member of the group of organisms that has a membrane around the nucleus in each of their cells

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16
Q

Cell membrane

A

The structure that contains the content of the cell

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17
Q

Cytoskeleton

A

The fluid found inside a cell

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18
Q

Ribosomes

A

A cell that has a structure that holds in proteins

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19
Q

cytoplasmic

A

A jelly like substance within a cell

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20
Q

metabolism

A

A reaction in which triggers a organism to use energy and grow to repair its cells

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21
Q

Animalia

A

The kingdom of organisms that have cells with a membrane around the nucleus, but no cell wall, large vacuole or chloroplasts

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22
Q

Plantae

A

Plants

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23
Q

Nucleus

A

central part of an atom, made up of protons and neutrons. Also roundish structure inside a cell that acts as the control centre for the cell

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24
Q

Chromosome

A

tiny, thread-like structure inside the nucleus of a cell. Chromosomes contain the DNA that carries genetic information.

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25
DNA
a variable that is expected to change when the independent variable is changed. The dependent variable is observed or measured during the experiment.
26
Mitosis
cell division process that results in new cells with the same number of chromosomes as the original cell
27
Clones
A copy of a living being and knows how to aim in Star Wars
28
Cytokinesis
process where the cytoplasm of a cell divides to form two daughter cells
29
Infectious disease
disease that can be transferred from one organism to another
30
Non infectious disease
A disease that can not be transferred
31
Antibiotic
A substance from micro organism that kills bacteria
32
Disinfectant
Chemical used to kill bacteria on surfaces and non-living objects
33
Antiseptic
mild disinfectant used on body tissue to kill microbes
34
Bactericidal
describes an antiseptic that kills bacteria
35
Bacteria static
Stops bacteria from growing
36
Epidemis
Outer most layer of the skin
37
Dermis
The medical terms for the deeper layer parts of the skin
38
Sweet gland
Removes water and salt though tubes in skin that helps control body temperature
39
Receptors
Special cells that send energy and convert it to electrical cells sending it up to your brain.
40
Pore
Openings in the skin. Perspiration reaches the skins surface through the pores
41
Evaporate
The state where a liquid changes to a gas. Evaporation occurs only from the surface of a liquid
42
Fungi
A king of organism such as mushrooms and moulds decompose or decay matter
43
Protoctista
A group of organism, including algae and protozoans that don't fit in other groups
44
Prokaryotae
A kingdom of organisms that don't have more then one cell with a nucleus not surrounded by a membrane of a cell wall, normally called bacteria
45
Phloem
A type of tissue that transports salt from leaves to other parts of the cell
46
Translocation
The transport of material such as water and glucose in plants
47
Xylem vessels
The pipeline that transport water up the plants. Made up of dead xylem cells fitted end to end with joining walls broken down. Lignin in the cell walls gives them strength
48
Lignin
A hard substance that is found in a dead xylem cell that makes up tubes carrying water up plant stems. Lignin makes up 30% of wood in trees
49
Stomata
Small openings mainly on the lower surface of leaves. These pores are opened and closed by the guard cell
50
Transpiration stream
Transport of water through the plant as a result of loss of water from the leave
51
Binary fission
Reproduction by the division of organism into two new organism
52
Mitochondria
A rod shaped organelle that supplies energy to other cell
53
Choloroplast
Oval shaped organelle that is found in plants which changes carbon dioxide and water by sunlight and water into food for a plant. This process is called photosynthesis
54
Cellular respiration
The chemical reaction involving oxygen that moves energy in glucose into the compound ATP which the body can use for energy
55
Photosynthesis
The process in which plants make there own food through sunlight and water
56
Chlorophyll
The green coloured chemical in plants that absorbs the light energy used in photosynthesis to make food.
57
Epidemis
Outer most layer of the skin
58
Dermis
The medical terms for the deeper layer parts of the skin
59
Sweet gland
Removes water and salt though tubes in skin that helps control body temperature
60
Receptors
Special cells that send energy and convert it to electrical cells sending it up to your brain.
61
Pore
Openings in the skin. Perspiration reaches the skins surface through the pores
62
Evaporate
The state where a liquid changes to a gas. Evaporation occurs only from the surface of a liquid
63
Fungi
A king of organism such as mushrooms and moulds decompose or decay matter
64
Protoctista
A group of organism, including algae and protozoans that don't fit in other groups
65
Prokaryotae
A kingdom of organisms that don't have more then one cell with a nucleus not surrounded by a membrane of a cell wall, normally called bacteria

Brain Scape science 10 (6 decks)

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