Macromolecules- proteins and carbohydrates Flashcards

0
Q

Carbohydrates

Function
Monomer/subunits

A

Store energy

Monosaccrides

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1
Q

Macromolecules

A

Large organic molecules- polymers

4 types

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2
Q

Monosaccrides

A

Most common chemical formula- C6H12O6

Ratio- 1:2:1

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3
Q

Isomer

A

Same chemical formula different bonds

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4
Q

Glucose

A

C6H12O6

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5
Q

Disaccharide

A

Double sugar- 2 monosaccrides by dehydration synthesis

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6
Q

Polysaccrides

A

Many sugars linked by dehydration synthesis

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7
Q

Dehydration Synthesis

A

Monomers are linked together by removal of water molecules

One H2O molecule removed for every pair linked

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8
Q

Hydrolysis

A

Chemical addition of water to brake up monomers

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9
Q

Cellulose

A

Polysaccride
Straight chain of glucose molecules
Plant cell walls

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10
Q

Glycogen

A

Polysaccride

Store glucose in animals

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11
Q

Starch

A

Polysaccride used to store glucose in plants

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12
Q

Protein functions

A

Building materials

Enzymes

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13
Q

Enzymes

A

Biological catalysts that speed up chemical reactions

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14
Q

Protein monomer

A

20 amino acids

By dehydration syntheisi

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15
Q

Monomer structure

A

Amino group
Carboxyl group
Hydrogen
Variable R - changes

16
Q

Polypeptide

A

Single chain of amino acids

17
Q

Protein

A

Made of one or more polypeptides

18
Q

Lock and key proteins

A

Induced fit- Presence of specific substrate changes ability of enzyme
Fits into active site

19
Q

Primary structure

A

Sequence of amino acids forming polypeptide chain

20
Q

Secondary

A

Parts of polypeptide coil or fold into patterns
Alpha helix
Pleated sheet

21
Q

Tertiary structure

A

Overall 3D shape of single polypeptide

22
Q

Quaternary structure

A

How several polypeptides interact to make a larger protein

23
Q

Exergonic

A

Give off energy

24
Q

Endergonic

A

Absorb energy

25
Q

Activation energy

A

Energy required for a chemical reaction

Enzymes reduce activation energy

26
Q

Lipids are all

A

Hydrophobic

27
Q

Lipid functions

A
Structure
Defense
Hormones
Energy storage
Cell membranes
28
Q

Cell membranes

A

Made of phospholipids

Hydrophilic head and hydrophobic tail

Phospholipid bilayer

29
Q

Peptide bonds

A

Chemical bonds between carboxyl group of one amino acid and the amino group of another amino acid

30
Q

Maltose

A

Disaccharide made of glucose and glucose