Chapter 2 Flashcards

0
Q

What are atoms joined by?

A

Polar covalent bonds

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1
Q

What is a mixture?

A

A substance that is blended but not chemically combined

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2
Q

What is the shape of an atom?

A

V shaped with a 105 degree angle

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3
Q

What type of bonds do atoms form?

A

Hydrogen

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4
Q

What is solvency?

A

The ability to dissolve chemicals

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5
Q

What does hydrophobic mean?

A

Substances that don’t dissolve in water

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6
Q

What does hydrophilic mean?

A

Substances that dissolve in water

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7
Q

What is adhesion?

A

Tendency of a substance to cling to another

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8
Q

What is a colloid?

A

A mixture of medium sized particles in a solvent

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9
Q

What is suspension?

A

Has large particles mixed in a solvent

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10
Q

What is an emulsion?

A

A suspension of one liquid to another

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11
Q

What is concentration?

A

Measure of the amount of solute in a solution

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12
Q

What is an acid?

A

A proton donor

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13
Q

What is a base?

A

A proton acceptor

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14
Q

What is a chemical reaction?

A

Process in which a bond is formed or broken

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15
Q

What are catalysts?

A

Substances that hold substances in a favorable position to react

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16
Q

What is metabolism?

A

All the chemical reactions that take place in the body

17
Q

What is catabolism?

A

Energy releasing decomposition reactions

18
Q

What is anabolism?

A

Energy Storing reactions

19
Q

What is organic chemistry?

A

The study of compounds of carbon

20
Q

What are 4 organic molecules?

A

Carbs, lipids, proteins, and nucleic acid

21
Q

What are the 5 functional groups?

A

Carboxyl, phosphate, hydroxyl, methyl, and amino groups

22
Q

What is a polymer?

A

A molecule made up of monomers

23
Q

What is polymerization?

A

Joining together of monomers by dehydration synthesis

24
Q

What is the opposite of dehydration synthesis?

A

Hydrolysis

25
Q

What bodily function is formed by hydrolysis?

A

Digestion

26
Q

What’s a disaccharide?

A

2 monosaccharides

27
Q

What’s a polysaccharides?

A

Long chains of glucose

28
Q

What is glycogen?

A

Energy storage polysaccharides

29
Q

What is cellulose?

A

Structural polysaccharides

30
Q

What are lipids?

A

Hydrophobic molecules composed of carbon, hydrogen, and oxygen

31
Q

What is a saturated fatty acid?

A

Has optimum amount of hydrogens

32
Q

What does an unsaturated fatty acid have?

A

A double bond

33
Q

What is a triglyceride?

A

3 fatty acids bonded to a glycerol

34
Q

What does a phospholipid?

A

Hydrophobic tails and hydrophilic head

35
Q

What is a protein?

A

A polymer of amino acids

36
Q

What is a peptide?

A

Any molecule composted of 2 or more amino acids

37
Q

What is a peptide?

A

Any molecule composted of 2 or more amino acids

38
Q

What is a protein?

A

A polymer of amino acids

39
Q

What is a protein?

A

A polymer of amino acids

40
Q

What is a peptide?

A

Any molecule composted of 2 or more amino acids