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Life Science Test > Chapter 1: Cells Test > Flashcards

Chapter 1: Cells Test Flashcards

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1
Q

He concluded that all plants have cells.

A

Schneider

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2
Q

He concluded that animals were made of cells, therefore all living things are made of cells.

A

Schwann

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3
Q

He concluded that all cells come from cells.

A

Virchow

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4
Q

What two properties make that make a microscope important?

A

Magnification and resolution

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5
Q

This is the ability to make things look larger than they really are is called ?

A

Magnification

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6
Q

What is the ability to clearly distinguish individual parts of an image is called?

A

Resolution

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7
Q

What instrument makes small objects look bigger?

A

Microscope

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8
Q

Who was the person that built a microscope and looked at a piece of cork, came up with the term cell.?

A

Hooke

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9
Q

He built a microscope and observed one-called organisms he called animalcules.

A

Leeuwenhoek

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10
Q

Name the 3 parts of the cell theory.

A
  1. All living things are composed of cells.
  2. Cells are the basic unit of structure and function in an organism.
  3. All cells are produced from other cells.
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11
Q

This type of microscope uses lenses to bend the light which then magnifies the object.

A

Light microscope

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12
Q

This type of microscope use more than one lens to magnify an object.

A

Compound light microscope

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13
Q

This type of microscope use beams of electrons to magnify an image.

A

Electron microscope

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14
Q

This type of lens bend light as it passes through it.

A

Convex lens

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15
Q

This is the part of the cell that gives a specific function.

A

Organelle

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16
Q

The control center of the cell, directs all activities

A

Nucleus

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17
Q

What is the membrane around the nucleus that protects the nuclear material and controls what enters and leaves the nucleus.

A

Nuclear envelop

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18
Q

The strands that contains genetic material which are the instructions for cells functions

A

Chromatin

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19
Q

Where are ribosomes made?

A

Nucleus

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20
Q

Region between cell membrane and nucleus, clear thick jelly-like fluid

A

Cytoplasm

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21
Q

Powerhouse of the cell, converts energy in food to form energy that the cell can use

A

Mitochondria

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22
Q

This transports substances from one part of the cell to another

A

Endoplasmic reticulum

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23
Q

This is an organelle of the plant cell that supports and protects

A

Cell wall

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24
Q

All cells have these which controls what enters and leaves the cell

A

Cell membrane

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25
Q

Protein factories

A

Ribosomes

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26
Q

Mailroom of the cell, receives materials and distributes those substances

A

Golgi bodies

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27
Q

Captures the energy from sunlight and uses it for food

A

Chloroplasts

28
Q

Cells are small because

A
  1. So the cell can function properly
  2. This increases the time to get materials to or away from the organelles.
  3. As the cell increases more of the cytoplasm is farther from the cell membrane.
29
Q

Storage areas of cell

A

Vacuole

30
Q

The basic unit of structure and function in living things: forms the parts of organisms processes and functions

A

Cells

31
Q

The part of the microscope that brings the objects closer or farther from the stage.

A

Coarse adjustment knob

32
Q

The part of the microscope that controls the amount of light.

A

Diaphragm

33
Q

The three scientists who worked with cell theory are

A

Schneider, Schwann, Virchow

34
Q

Bacteria have three things

A

Cell walls, membranes, and ribosomes

35
Q

Bacteria does not have a

A

Nucleus

36
Q

Cells are organized into

A

Tissues, tissues into organs, and organs into organ systems

37
Q

Any substance that cannot be broken down into simpler substances.

A

Element

38
Q

The smallest unit of an element is called?

A

Atom

39
Q

Examples of a elements are ?

A

Oxygen, carbon, nitrogen

40
Q

Two or more elements chemically combined

A

Compounds

41
Q

The smallest unit of a compunction is

A

Water, carbon dioxide, sugar

42
Q

Contains the element carbon

A

Organic compounds

43
Q

Do not contain the element carbon

A

Inorganic compound

44
Q

Examples of organic compounds are

A

Carbohydrates, lipids,nucleic acids, and proteins

45
Q

Examples or inorganic compounds are

A

Water, sodium chlorine

46
Q

Energy rich organic compounds made of elements carbon, hydrogen, and oxygen

A

Carbohydrates

47
Q

Examples of carbohydrates

A

Sugar and starch

48
Q

What does the body break down when you eat carbohydrates?

A

Glucose

49
Q

Large organic molecules made up of carbon, hydrogen, oxygen

A

Proteins

50
Q

Proteins are made up of smaller molecules called

A

Amino acids

51
Q

How many amino acids are there

A

20

52
Q

What are energy rich organic compounds made up of hydrogen, oxygen, carbon

A

Lipids

53
Q

What are examples of lipids

A

Waxes, fats, oils

54
Q

Lipid contain more of this than carbohydrates

A

Energy

55
Q

Very long organic molecules made up of carbon, hydrogen, nitrogen, oxygen, and phosphorus

A

Nucleic acids

56
Q

Nucleic acids contain the instructions to carry out functions of

A

Life

57
Q

The genetic material that carries information about an organism and is passed from parent to offspring

A

DNA

58
Q

Plays a role in the production of proteins

A

RNA

59
Q

Most chemical reactions cannot take place without

A

Water

60
Q

Water helps cells keep their

A

Size and shape

61
Q

Cell membranes are this which allows some substances to pass through while denying others

A

Selective permeable

62
Q

The process by which small substances move from areas of high concentration to low areas of concentration.

A

Diffusion

63
Q

Diffusion is the type of transport where energy is not required

A

Passive transport

64
Q

The movement of water across a membrane

A

Osmosis

65
Q

Requires the use of energy to move substances across the cell membrane

A

Active transport

66
Q

Stove transport moves from low concentration to areas of

A

High concentration

Life Science Test (12 decks)

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