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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
Q

DNA

A

a variable that is expected to change when the independent variable is changed. The dependent variable is observed or measured during the experiment.

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26
Q

Mitosis

A

cell division process that results in new cells with the same number of chromosomes as the original cell

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27
Q

Clones

A

A copy of a living being and knows how to aim in Star Wars

28
Q

Cytokinesis

A

process where the cytoplasm of a cell divides to form two daughter cells

29
Q

Infectious disease

A

disease that can be transferred from one organism to another

30
Q

Non infectious disease

A

A disease that can not be transferred

31
Q

Antibiotic

A

A substance from micro organism that kills bacteria

32
Q

Disinfectant

A

Chemical used to kill bacteria on surfaces and non-living objects

33
Q

Antiseptic

A

mild disinfectant used on body tissue to kill microbes

34
Q

Bactericidal

A

describes an antiseptic that kills bacteria

35
Q

Bacteria static

A

Stops bacteria from growing

36
Q

Epidemis

A

Outer most layer of the skin

37
Q

Dermis

A

The medical terms for the deeper layer parts of the skin

38
Q

Sweet gland

A

Removes water and salt though tubes in skin that helps control body temperature

39
Q

Receptors

A

Special cells that send energy and convert it to electrical cells sending it up to your brain.

40
Q

Pore

A

Openings in the skin. Perspiration reaches the skins surface through the pores

41
Q

Evaporate

A

The state where a liquid changes to a gas. Evaporation occurs only from the surface of a liquid

42
Q

Fungi

A

A king of organism such as mushrooms and moulds decompose or decay matter

43
Q

Protoctista

A

A group of organism, including algae and protozoans that don’t fit in other groups

44
Q

Prokaryotae

A

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
Q

Phloem

A

A type of tissue that transports salt from leaves to other parts of the cell

46
Q

Translocation

A

The transport of material such as water and glucose in plants

47
Q

Xylem vessels

A

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
Q

Lignin

A

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
Q

Stomata

A

Small openings mainly on the lower surface of leaves. These pores are opened and closed by the guard cell

50
Q

Transpiration stream

A

Transport of water through the plant as a result of loss of water from the leave

51
Q

Binary fission

A

Reproduction by the division of organism into two new organism

52
Q

Mitochondria

A

A rod shaped organelle that supplies energy to other cell

53
Q

Choloroplast

A

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
Q

Cellular respiration

A

The chemical reaction involving oxygen that moves energy in glucose into the compound ATP which the body can use for energy

55
Q

Photosynthesis

A

The process in which plants make there own food through sunlight and water

56
Q

Chlorophyll

A

The green coloured chemical in plants that absorbs the light energy used in photosynthesis to make food.

57
Q

Epidemis

A

Outer most layer of the skin

58
Q

Dermis

A

The medical terms for the deeper layer parts of the skin

59
Q

Sweet gland

A

Removes water and salt though tubes in skin that helps control body temperature

60
Q

Receptors

A

Special cells that send energy and convert it to electrical cells sending it up to your brain.

61
Q

Pore

A

Openings in the skin. Perspiration reaches the skins surface through the pores

62
Q

Evaporate

A

The state where a liquid changes to a gas. Evaporation occurs only from the surface of a liquid

63
Q

Fungi

A

A king of organism such as mushrooms and moulds decompose or decay matter

64
Q

Protoctista

A

A group of organism, including algae and protozoans that don’t fit in other groups

65
Q

Prokaryotae

A

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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