Unit 3 Key Vocab Flashcards

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1
Q

macromolecules

A

large molecules

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2
Q

polymers

A

like a puzzle

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3
Q

monomers

A

building blocks/each piece of the puzzle

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4
Q

organic compound

A

when a chemical compound is carbon-based

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5
Q

carbon skeleton

A

chain of carbon atoms

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6
Q

how many atoms can carbon bond to?

A

4 other atoms

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7
Q

are carbon skeletons branched or unbranched?

A

both

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8
Q

isomer

A

different compounds with the same molecular formula

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9
Q

functional groups

A

atoms that attach to the carbon skeleton

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10
Q

dehydration reactions

A

a biochemical reaction when a water molecule forms as a byproduct

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11
Q

hydrolysis

A

common form of chemical reaction where water molecules are added to break a bond

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12
Q

why are carbohydrates important to have?

A

they are important energy sources

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13
Q

monosacchararides

A

1 monomer

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14
Q

monosaccharide example

A

Glucose and fructose

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15
Q

disaccharides

A

2 monomers

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16
Q

disaccharide example

A

sucrose

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17
Q

polysaccharides

A

many monomers

18
Q

molecular formula of glucose

A

C6 H12 O6

19
Q

molecular formula of sucrose

A

C12 H22 O11

20
Q

difference between molecular formula of sucrose and glucose

A

the water mole (H2O) is gone due to dehydration reaction

21
Q

what are polysaccharides?

A

long chains of sugar units

22
Q

what kind of energy are carbs good for?

A

fast source of energy

23
Q

why do we need lipids/fats?

A

important for our energy, membranes, and insulation

24
Q

What are the 2 monomers of lipids?

A

glycerol and fatty acids

25
Q

how do fatty acids link to glycerol?

A

dehydration reaction

26
Q

what is the glycerol and fatty acid ratio?

A

1:3

27
Q

what are fats often called because of their structure?

A

triglycerides

28
Q

How much energy do lipids contain?

A

Twice as much energy as a polysaccharide

29
Q

hydrophobic compounds

A

property of molecules that do not mix with water

30
Q

examples of lipids

A

butter, oil, and cholesterol

31
Q

what type of energy are lipids a great source of?

A

long-term energy

32
Q

when are lipids used?

A

after carbohydrates are burnt off, lipids are then used as the energy source

33
Q

what do lipids make up?

A

lipids make up cell membranes, they are important because all living things are made up of cells, hence needing a cell membrane.

34
Q

monomer of carbohydrates

A

monosaccharides

35
Q

monomer of proteins

A

amino acids

36
Q

monomer of nucleic acids

A

nucleotides

37
Q

type of bond involved: carbohydrates

A

peptide bond

38
Q

type of bond involved: proteins

A

glycosidic link

39
Q

type of bond involved: nucleic acid

A

phosphodiester bond

40
Q
A