Biochemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Water is a great solvent because it is a ______ compound | polar
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| By definition, polor compounds have a charge that is _________ spread across the molecule, but no net charge. | unevenly
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| Hydrogen bonds can occur between what atoms? | nitrogen, oxygen, and sometimes flourine
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| The ability of water to stick to unlike surfaces (for example, glass), is called ____? | adhesion
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| The ability of water to stick to itself is called __________? | cohesion
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| Ethanol is an organic alcohol and there is some hydrogen bonding that occurs between molecules, but not as much as water. You would expect ethanol to have more or less surface tension than water? | less
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| The ability of water to rise against the force of gravity in a small diameterd tube is called ______? | capillarity
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| The adhesive and cohesive properties of water and brought about by waters ability to ___________ ___________? | hydrogen bond
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| Carbon has 4 electrons in it's outer (valance) energy level. How many bonds can carbon form? | 4
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| The primary energy molecule in living organisms is _? | adenosine triphosphate
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| Complex sugars are _____________? | Carbohydrates
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| Ribose is a 5 carbon sugar and is a __________? | monosaccaride
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| Sucrose is table sugar and is made from a polymer of two different sugars chemically bonded together. Sucrose is a ___________? | disaccaride
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| What sugar would you find in grains? | maltose
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| What sugar would you find in fruits? | fructose
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| What sugar would you find in milk? | lactose
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| Any substance that ends in "ose" is likely to be a _____________? | sugar
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| The molecular unit that gets repeated in a polymer is called a __________? | monomer
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| Complex fatty acids are called____? | lipids
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| Lipids such as triglycerides are long or short term energy storage devices? | long term
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| Carbohydrates are typically used as long or short term energy storage devices? | short term
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| An unsaturated fatty acid will have all single bonds in the fat portion of the molecule (T or F) | False
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| Animals polymerize glucose and store it as a molecule called _________? | glycogen
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| Cellulose is a polymer of glucose used by zebras (T or F) | False
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| Plants store glucose in the form of a polymer of glucose called___________? | Cellulose and amylose depending on use!
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| Proteins are made from __________? | amino acids
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| There are 20 amino acids and some of them are said to be "essential" Explain | A few amino acids cannot be synthesized by your body so you have to eat them!
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| Is water an organic compound? | no! it contains no carbon
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| Is carbon dioxide an organic compound? | no.. it contains no hydrogen
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| Is glucose an organic compound? | yes.. it contains carbon, hydrogen and oxygen in a specific ratio so that makes it a carbohydrate
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| Many amino acids that are bonded together into one molecule is called a ________? | polypeptide
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| Polypeptides get bonded together to form_________? | protiens
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| Where would you expect to find nucleic acids? | nucleus of cell
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| Be able to spot a lipid, polypeptide, sugar molecules, and the monomer of DNA or RNA | dito
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| Be able to recognize and amino acid and find the peptide bonds between them in a polypeptide. | dito
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| What makes a carbohydrate a carbohydrate? | carbon, hydrogen , oxygen ratio of 1:2:1
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| ATP is made where in the cell? | mitochondria
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| A substance that ends in "ase" is probably an | enzyme
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| What are proteins for ? | to build structural parts of cells and to be used as enzymes to catalyze chemical reactions
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| If nitrogen occurs in a molecule can it be a fat or carbohydrate? | nope
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| Are fats soluble in water ? | nope
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| Do fats have low melting points? | nope
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| The monomers of DNA and RNA are called ? | nucleotides
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| What is the pH of an amino acid? | Somewhere below 7 dum dum
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| Amylose is also known as ? | starch
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| Cellulose is also known as ? | fiber
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| Which food would contain large amounts of protein? | meats including fish
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| Which foods would contain large amounts of carbohydrates? | The starchy veggies like potatoes
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| Which foods contain amino acids | Anything with protein in it because proteins are made from a chain of amino acids
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| Which cells in the body store triglycerides | fat cells
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| Where is glycogen stored | Mostly in the liver but some in the muscle cells
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| What are the base pairing rules for DNA ? | A-T and C-G
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| What are the base pairing rules for RNA | A-U and C- G
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| Know the structural differences between DNA and RNA |
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| amylase is a ? | enzyme that catalyzes the chemical reaction that breaks down amylose (starch). It is found in your saliva
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Created by:
kwiles
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