Biology Midterm Flashcards

Ch 1,2,7(not 7.3)

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1
Q

Science

A

An organized way of gathering evidence about the natural world

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2
Q

What are the 3 main goals of science?

A

Answer questions
Collect data
Solve problems

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3
Q

Scientific Method

A
O-bservation
P-roblem/Question
H-ypothesis
E-xperiment
D-ata collection/Analysis
C-onclusion
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4
Q

Independent Variable

A

Controlled by the experimenter

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5
Q

Dependent Variable

A

Changes based on the Independent Variable

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6
Q

Controll Group

A

A group that does not receive any treatment by the experimenters

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7
Q

Controll Variables

A

The experimental controls

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8
Q

Cell Wall/Membrane

A

Composed of bilayers that protect and support the cell

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9
Q

Cytoplasm

A

The region inside the cell that. supports organelles except for the nucleus

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10
Q

Nucleus

A

Controls all of the cell activity

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11
Q

Nucleolus

A

Makes Ribosomes

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12
Q

Ribosome

A

Makes Proteins

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13
Q

Golgi body

A

Packages and transports proteins

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14
Q

Coarse Adjustment

A

Brings object into focus

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15
Q

Light source

A

Where the light comes from

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16
Q

Objective Lenses

A

Magnifies the sample on the slide

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17
Q

Stage Clips

A

Holds the slide on the platform

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18
Q

Diaphragm

A

Controls the amount of light that hits the slide

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19
Q

Base

A

Supports the microscope

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20
Q

Fine Adjustment

A

Brings object into sharp focus

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21
Q

Nose Piece

A

Rotating piece that holds lenses

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22
Q

Stage

A

A platform that supports microscope slide

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23
Q

Ocular

A

Used for viewing object with 4x-10x-40x magnification

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24
Q

Vacuole

A

Provides structural support/storage

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25
Q

Rough ER

A

Creates and modifies proteins

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26
Q

Smooth ER

A

Makes membrane lipids and removes toxins

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27
Q

Chloroplast

A

Contains chlorophyll, a green pigment that traps energy from sunlight and gives the plant its green color

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28
Q

Cilia

A

Small hair like structures used for movement or sensing things

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29
Q

Cytoskeleton

A

Everything inside the cell

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30
Q

Chromatin

A

The collection of DNA inside the nucleus

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31
Q

What are the steps to focusing a microscope

A

Turn on light
Place object on stage and use stage clips
Look into the eye piece and adjust the coarse knob
Choose a objective lense
Adjust the fine focus knob

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32
Q

Carbohydrates Composition

A

C H O

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33
Q

Lipids Composition

A

C H O

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34
Q

Nucleic Acids Composition

A

C H O N P

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35
Q

Proteins Composition

A

C H O N

36
Q

Carbohydrates Monomer

A

Monosaccarides

37
Q

Lipids Monomer

A

None

38
Q

Nucleic Acids Monomer

A

Nucleotides

39
Q

Proteins Monomer

A

Amino Acids

40
Q

Carbohydrates Functions

A

Immediate source of energy
Long term source of energy
Structural support

41
Q

Lipids Functions

A

Stores energy
Provides water proof coverings
Important chemical messenger

42
Q

Nucleic Acids Functions

A

Makes and Stores DNA and RNA

43
Q

Proteins Functions

A

Control rate of reactions
Transports substances
Help fight diseases

44
Q

Carbohydrates Examples

A

Glucose

Galactose

45
Q

Lipids Examples

A

Unsaturated/ Saturated Fats

46
Q

Nucleic Acids Examples

A

DNA

RNA

47
Q

Proteins Examples

A

Primary/ Secondary Structure

48
Q

Carbohydrates Foods

A

Potatoes
Bannas
Pasta

49
Q

Lipids Foods

A

Fats
Oils
Waxes

50
Q

Nucleic Acids Foods

A

In any animal, fruit or vegetable(chicken, meat, spinach, bananas)

51
Q

Proteins Foods

A

Eggs
Meat
Oats

52
Q

Experimental Group

A

The group that is being experimented on

53
Q

Living things obtain and use materials and energy

A

They obtain energy from energy sources, and use it to grow and develop

54
Q

Living things respond to their environment

A

They detect and respond to stimuli from their environment

55
Q

Living things based on an universal genetic code

A

They store genetic information which is passed down from parents to offspring

56
Q

living things reproduce

A

They reproduce new similar organisms

57
Q

Living things evolve

A

Groups of organisms change through time, giving rise to new species

58
Q

Living things grow and develop

A

They increase in size and differentiate their cells and begin to look different from one another to perform different functions

59
Q

Living things maintain a stable internal environment

A

They keep their internal environment almost the same, even when external conditions change

60
Q

Living things are made up of cells

A

Organisms are composed of one or more cells, smallest unit considered life

61
Q

Sexual Number of Parents

A

2

62
Q

Sexual Eggs and Sperm (yes/no)

A

Yes

63
Q

Sexual Offspring Different or Identical

A

Different

64
Q

Asexual Number of Parents

A

1

65
Q

Asexual Eggs and Sperm (yes/no)

A

No

66
Q

Asexual Offspring Different or Identical

A

Identical

67
Q

Atomic Number

A

Weight of protons

68
Q

Number of Electrons

A

Same as the number of protons

69
Q

Mass Number

A

Number of protons and nuetrons

70
Q

Number of Neutrons

A

Mass - Atomic number

71
Q

The protons of an Element________ Changes

A

Never

72
Q

Protons Location

A

Inside the nucleus

73
Q

Neutrons Location

A

Inside the nucleus

74
Q

Electrons Location

A

Around the nucleus

75
Q

Protons Charge

A

Positive

76
Q

Neutrons Charge

A

Neutral

77
Q

Electrons Charge

A

Negative

78
Q

How many electrons go around the first, second and third ring

A

First-2
Second-4
Third-8

79
Q

Element box order

A

Atomic Number
Atom Symbol
Atomic Mass

80
Q

What is an Ion?

A

A atom or molecule that as a uneven amount of electrons and protons

81
Q

What charge will an atom have if it loses electron

A

Positive because the number of protons is greater than the number of electrons

82
Q

What charge would an atom have if it shares electrons

A

Neutral because there is no charge

83
Q

What are isotopes

A

Same elements with different numbers of neutrons

84
Q

What is a chemical bond

A

A lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds

85
Q

What are enzymes

A

They speed up the rate of chemical reactions