Matter Matters

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Matter Matters
Carbs
Lipids
Proteins
Enzymes
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What is the number of protons, neutrons, and
electrons of the following element?
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P 33N 42E 33
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Carbon can form up to how many covalent bonds?
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4
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Your notebook can best be described as which
state of matter? Describe the shape of molecules
and volume.
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Solid tightly packed and definite volume
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What is the property of water that allows water
molecules to bond together and with molecules of
other substances?
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Polarity unequal distribution of charge
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The following compounds are called?
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Isomers
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You eat a big bowl of rice. The starch in the
rice is stored in your body in which form?
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Glycogen
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The three classes of carbohydrates are?
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MonosaccharidesDisaccharidesPolysaccharides
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What is the general chemical formula for
carbohydrates (ratios)?
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(CH2O)x/ 121
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List 2 functions of carbohydrates and one example.
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Storage source and structural materials
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Explain the following reaction
Glucose Galactose
Lactose H2O
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Condensation reaction disaccharide formed,
water released
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The membrane surrounding your cells that allows
for materials to move in and out of the cell is
made up of this kind of lipid
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Phospholipids
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Butter is an example of what kind of fat? Explain
why.
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Saturated all 4 available electrons bonded to
another atom
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What are 2 characteristics of lipids?
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Storage, Insoluble, Protective Tissue
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How many molecules are in the reaction below?
Atoms? 2H2O2 2H2O O2
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5 molecules 16 atoms 2H2O2 2H2O O2
Reactants Products
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You are eating a bag of salt and vinegar chips.
You know they have a lot of fat in them but you
also know that have that sour vinegary taste.
That taste comes from its pH level. You know
from your acid/base lab that vinegar is an acid
this means what about the concentration of ions?
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Higher amount of H, lower amount of OH-
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Proteins are composed of mainly which elements?
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C, H, O, N
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In order for molecules to be happy ? they need
____ electrons in the outer shell. These
electrons that make bonding possible are called
________ electrons.
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8 valence
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What part of an amino acid determines the
physical and chemical properties of that amino
acid?
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R- group or side chain
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Hydrolysis reactions break _______ bonds between
amino acids, shortening long __________ chains.
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Peptide polypeptide
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The following structure illustrates which class
of protein structure?
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Primary
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Enzymes are biological ________
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catalysts
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How do enzymes affect reactions?
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Speed them up one enzyme per reaction
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What is an active site?
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Where substrate binds to enzyme has folds that
form specific shape
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What are some factors that affect enzyme
activity? Explain.
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Temperature pH
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What is the name of the following model? Explain
what is going on.
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Lock and Key