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AP Bio > Unit 1 > Flashcards

Unit 1 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

is water polar or non-polar

A

polar

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2
Q

what can hydrogen bonding result in

A

cohesion and adhesion

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3
Q

cohesion

A

water sticks to itself

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4
Q

adhesion

A

water adheres to a substance other than itself

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5
Q

ions/polar substances ___ in water and are hydrophilic or hydrophobic

A

they dissolve in water and are hydrophilic

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6
Q

non-polar substances ___ in water and are hydrophilic or hydrophobic

A

they don’t dissolve in water and are hydrophobic

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7
Q

acids

A

Have a pH less than 7; as the pH goes down the H+ goes up

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8
Q

bases

A

pH greater than 7; as the pH goes up the H+ goes down

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9
Q

one unit on the pH scale means

A

the H+ changes by a factor of 10

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10
Q

major elements of all organic compounds

A

CHON PS (carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfur)

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11
Q

what are in all organic compounds

A

C and H

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12
Q

Elements of carbs

A

CHO (1:2:1)

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13
Q

elements of Lipids

A

CHO (less O than carbs)

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14
Q

elements in proteins

A

CHON (s)

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15
Q

elements in nucleic acids

A

CHONP

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16
Q

dehydration

A

synthesis of polymers; removes water

17
Q

hydrolysis

A

breaking down a polymer; adds water

18
Q

carb monomer

A

monosaccharide

19
Q

saturated fat

A

saturated with H bonds

20
Q

unsaturated fat

A

1 + double bonds, have less H atoms, and cannot pack together

21
Q

protein monomer

A

amino acids

22
Q

what are the parts of an amino acid

A

amino group, side chain, carboxyl group

23
Q

what makes amino acids unique

A

R group- side chain

24
Q

primary

A

unique sequence of aa

25
Q

secondary

A

3D shape due to H bonds between parts of aa backbone

26
Q

tertiary

A

globular shape due to R group interactions

27
Q

quaternary

A

association of 2+ polypeptide chains

28
Q

what are the parts of a nucleotide

A

5 C sugar, phosphate group, nitrogenous base

AP Bio (6 decks)

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