Biology Ch 1-4 Flashcards

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1
Q

3 domains of life

A

Bacteria
Archae
Eucaryuta

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2
Q

HydroCarbons

A

Not common in living things

Many organic molecules in cells have regions of carbon and hydrogen

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3
Q

Hydrogen Bonds

A

Attraction between the partial postitive on the hydrogen atom of water and partial negative charge on nitrogen atoms

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4
Q

Carbon

A

Backbone of life atomic #6

Makes proteins, DNA, Carbohydrates

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5
Q

Potential energy

A

Energy of matter because of location or structure

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6
Q

Types of data

A

Recorded observation and qualititave or quantitative

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7
Q

Energy

A

Capacity to do work

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8
Q

Non polar bonds

A

Between atoms with similar electronegativity

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9
Q

Intersubjectivity

A

The idea that inviduals can make the same observation through the same training

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10
Q

Feedback

A

Positive feedback -continuously increases {global warming}

Negative Feedback- our body

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11
Q

Buffers

A

Resist changes in pH

Important of homeostasis

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12
Q

Valence electrons

A

Valence shells

Electrons in the outer most shell

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13
Q

Experimental design

A

Replication- test as many subjects as possible
-proper controls
Eliminate as many controlled variables as possible
-draw a conclusion

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14
Q

Biodiversity

A

Diversity of life unified by DNA

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15
Q

Compounds

A

Substances of two or more elements in a fixed ratio

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16
Q

Solvent

A

Dissolves substances ( only polar substances)

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17
Q

Surface tension

A

Attraction of molecules of the waters surface area

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18
Q

8 unify Biology

A
Evolution 
Cell theory 
Emergent Properties
Heritable Info
Interaction with Environment
Structure and function are correlated
Feedback 
Biodiversity
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19
Q

Enantimers

A

Mirror images of each other

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20
Q

Organization

A

Living hints are complex but organized and orderly

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21
Q

Results from hydrogen bonds

A
Cohesion
Surface tension
Moderation of temperature
Insulation of water through floating ice
Solvent
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22
Q

4 essential elements

A

Carbon
Nitrogen
Hydrogen
Oxygen

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23
Q

Radioactive isotopes

A

Nucleus decay spontaneously

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24
Q

Natural Science

A

Developing falsibible hypothesis that can explain a phenomenon

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25
Q

Mole

A

6.0 x 10^23

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26
Q

Emergent Properties

A

All levels of organization are connected

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27
Q

Theories in science

A

Scientific theory- broad and supported by a large number of evidence

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28
Q

Reproduction

A

Organisms can produce offspring

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29
Q

Cooperative Cooling

A

Maintains temperature such as sweating

30
Q

Why are hydrocarbons hydrophobic

A

Because they are non polar

31
Q

Growth and development

A

Ability to grow and develop within life span

32
Q

Trace elements

A

0.01%

33
Q

Response

A

An organisms ability to respond to stimuli

34
Q

The 7 properties of Life

A
Organization 
Response
Growth and development
Evolution and adaptation
Energy 
Homeostasis and regulation 
Reproduction
35
Q

Ionic bonds

A

One atoms strips the electron
Changes charge
+ and - are attracted to each other

36
Q

Deductive reasoning

A

Broader generalization such as all birds have wings, cardinals are birds, all cardinals have wings

37
Q

Independent variable

A

What explains the dependent variable in your prediction

38
Q

Heritable Info

A

DNA code for proteins to maintain and build cells

39
Q

Complex Carbon Molecules

A

Can bond with other atoms/ molecules

Tetrahedron shape

40
Q

How is pH measured

A

Measuring the concentration of ions

41
Q

Experimental controls

A

Test the experimental setup and define the limits of the experiment

42
Q

“Cis” isomers

A

Two X’s on the same side

43
Q

Adhesion

A

Attraction of one substance to another substance

44
Q

“Trans” isomers

A

Two X’s on different sides

45
Q

Evolution and adaptation

A

Living things hroughnout time can grow to adapt to their environment

46
Q

Cohesion

A

Attraction among molecules of substances

47
Q

Elements

A

Made up of matter

Substance that can not be broken by other substances through a chemical reaction

48
Q

Inductive reasoning

A

Derive generalization based on a late number of specific observation

49
Q

Geometric isomers

A

Differ in spatial arrangement of atoms

50
Q

Polar Bonds

A

Between atoms with somewhat different electronegativity

51
Q

Functional group

A

Small group of other atoms substituted for H and bound to the Carbon skeleton

52
Q

Structural isomers

A

Different in arrangement

53
Q

Isomers

A

Same number of atoms but different structure

54
Q

Characteristics of carbon

A

Non polar

Store a lot of energy that can be released in chemical reactions

55
Q

Evolution

A

Main theme among biology

Provides a reason for everything we know about living things

56
Q

Isotopes

A

Atoms of same element with different neutrons

57
Q

Covalent bonds

A

Atoms share an electron from the valence shell

58
Q

Discovery science

A

Describes natural structures and processes as accurately as possible through careful observation and analysis of data

59
Q

What is science

A

Investigation of natural phenomena through obeservation, evaluation and experimentation

60
Q

Electron shells

A

Energy level of electrons at an average distance from the nucleus of an atom

61
Q

Homeostasis

A

Maintain and have a constant condition

62
Q

Molecule formation

A

Two or more atoms held together

63
Q

Interaction with environment

A

Exchange matter and energy

64
Q

Cell theory

A

The theory that cells are the basic structure of living things

65
Q

Organic chemistry

A
Study carbon compounds 
C
H
O
N
S
P
66
Q

Water

A

Supports life

67
Q

Dependent variable

A

The thing you are measuring

68
Q

Falsification

A

Testing and trying to reject your hypothesis

69
Q

Matter

A

Takes up space and mass

All organisms are made up of

70
Q

Properties of elements

A

Dependent on atoms

Subatomic particles