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Biology Unit 1 > COL + H20 > Flashcards

COL + H20 Flashcards

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1
Q

What kind of bonds hold together hydrogen and oxygen atoms?

A

Polar bonds

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2
Q

Polar bonds hold together what atoms?

A

Hydrogen and oxygen atoms

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3
Q

The electrons are not shared equally. What kind of molecule does this create?

A

A covalent molecule

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4
Q

What does the polarity of water allow it to do to most substances?

A

Dissolve

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5
Q

Because water dissolves most substances, what is water often referred to as?

A

The Universal Solvent

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6
Q

What is the property of water molecules sticking to other water molecules called?

A

Cohesion

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7
Q

How many Hydrogen atoms are in a water molecule?

A

Two

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8
Q

How many Oxygen atoms are in a water molecule?

A

One

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9
Q

In what way is hydrogen charged?

A

Positively

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10
Q

In what way is Oxygen charged?

A

Negatively

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11
Q

What is the property of water molecules sticking to other materials due to its polar nature called?

A

Adhesion

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12
Q

What kind of tension makes a skin-like surface formed due to the polar nature of water?

A

Surface tension

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13
Q

Are hydrogen bonds easy or difficult to break?

A

Easy

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14
Q

Any living thing is called a(n) ___.

A

Organism

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15
Q

Living things have what in the form of DNA?

A

Genetic material

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16
Q

All organisms must use energy to break down and build up materials in a process called ___.

A

Metabolism

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17
Q

Organisms must retain _____.

A

Homeostasis

18
Q

Levels of biological organization range from what to what?

A

Molecules to biosphere

19
Q

Living thing change over long periods of time. What are these changes called?

A

Adaptations

20
Q

What is the first characteristic of life?

A

Order

21
Q

What is the second characteristic of life?

A

Heredity/DNA

22
Q

What is the third characteristic of life?

A

Reproduction

23
Q

What is the fourth characteristic of life?

A

Growth and Development

24
Q

What is the fifth characteristic of life?

A

Response to the environment

25
Q

What is the sixth characteristic of life?

A

Evolutionary adaptation

26
Q

What is the seventh characteristic of life?

A

Energy processing

27
Q

What is the eighth characteristic of life?

A

Regulation

28
Q

What is the first property of water?

A

Cohesion

29
Q

What is the second property of water

A

Adhesion

30
Q

What is the third principle of water

A

Capillary Action

31
Q

What is the fourth principle of water?

A

Surface Tension

32
Q

What is the fifth principle of water?

A

Universal Solvent

33
Q

What is the sixth principle of water?

A

Specific Heat Capacity (High)

34
Q

What is the seventh principle of water?

A

Hydrophobic vs. Hydrophilic

35
Q

Water dissolves many things, making it a good _______.

A

Solvent

36
Q

If something is hydrophobic, it is _____-_______.

A

Water-fearing

37
Q

If something is hydrophilic, it is _____-______.

A

Water-loving

38
Q

Yes or no: Does something hydrophobic dissolve in water?

A

No

39
Q

Yes or no: Does something hydrophilic dissolve in water?

A

Yes

40
Q

What does polar mean?

A

The atom’s electrons are distributed unevenly

40
Q

What kind of bonds are in between water molecules?

A

Hydrogen bonds

Biology Unit 1 (8 decks)

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