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Biology - ACP > Unit 1 Exam > Flashcards

Unit 1 Exam Flashcards

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1
Q

What is the Primary Structure of a protein?

A

Has a sequence of Amin acids in the polypeptide chain

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2
Q

secondary structure of a protein

A

Alpha and beta pleated sheets; held by 4 bonds; coil/fold into local patterns

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3
Q

Tertiary structure

A

Entire polypeptide folding on itself; hydrogen bonds, ionic bonds, disulfide bridges

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4
Q

Quaternary structure

A

More than one polypeptide chain; hydrogen bonds, ionic bonds

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5
Q

Electronegativity

A

How much an atoms “likes” electrons

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6
Q

Unsaturated fats

A

Cold environment; more fluid in cold temperatures because of the cell membranes

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7
Q

Saturated fat

A

Solid; less fluid; warmer temperatures

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8
Q

Carboxyl group

A

COOH

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9
Q

Amino Group

A

NH2

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10
Q

Hydroxyl Group

A

OH

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11
Q

Methyl

A

CH3

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12
Q

Sulfhydryl group

A

SH

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13
Q

Carbonyl Group

A

CO

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14
Q

Are hydrocarbons polar?

A

No, they are not

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15
Q

Function of carbs

A

Helps store energy

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16
Q

Functions of a fat

A

Makes membranes

17
Q

Functions of a protein

A

Transports proteins in cell membranes

18
Q

Function of nucleic acids

A

Transfers hereditary information

19
Q

What does essential nutrients mean

A

You have to consume

20
Q

Cellulose

A

Provides structures in plants

21
Q

Glycogen

A

Stores glucose in animals and humans

22
Q

Starch

A

Stores glucose in plants

23
Q

How many bonds can carbon atoms form

A

4 covalent bonds

24
Q

Hydrolysis

A

Adding water

25
Q

Buffers

A

Release or absorb hydrogen ions

26
Q

What do tums do?

A

They are bases that neutralize acidity/hydrogen ions

27
Q

Going up on the pH scale decreases what?

A

Hydrogen ions

28
Q

How do you increase hydrogen ions

A

Going down on the pH scale

29
Q

Surface tension is caused by what?

A

Cohesion

30
Q

Why does alcohol evaporate before water

A

Because of specific heat

31
Q

Polar covalent bonds

A

Do not share equally

32
Q

Covalent bonds

A

Share electrons

33
Q

Metals bond with non-metals how?

A

Ionic bonds; transfer of electrons

34
Q

How do you find potential binding?

A

Subtracting electrons by 8

35
Q

carbon, hydrogen, oxygen, and nitrogen are what?

A

The most common in living thing

36
Q

Covalent bonds share electrons how?

A

Shares electrons equally

37
Q

Ionic bonds

A

Full charges

38
Q

Polar bonds

A

Partial sharing

39
Q

Hydrogen bonds

A

No charges/partial

Biology - ACP (1 decks)

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