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Biochemistry Flashcards

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8615172517Carbohydrates, Proteins, Lipids, Nucleic AcidsWhat are the four macromolecules essential to life?0
8615172518Carbon, Oxygen, Hydrogen, Phosphorous, NitrogenWhat are the four elements that make up these macromolecules?1
8615172519a large moleculeWhat is a macromolecule?2
8615172520Monosaccharide, disaccharide, polysaccharideWhat are three classes of carbohydrates?3
8615172521Carbon, Oxygen, HydrogenWhat three elements make up carbohydrates?4
8615172522A polysacchride has three or more saccharide molecules bonded together, whereas a disaccharide only has two saccharide molecules bonded together. A monosaccharide is only one saccharide moleculeHow is a polysaccharide different from a dissacharide and a monosaccharide?5
8615172523glucose, fructose, galactoseWhat are the three monosaccharides?6
8615172524C₆H₁₂O₆What is the chemical formula for all of these monosacharides?7
8615172525Their arrangement is different. They are isomers, meaning their chemical formula is the same but their arrangement is different.How are these three monosaccharides different from each other?8
8615172526lactose, sucrose, maltoseWhat are the three disaccharides?9
8615172527They are different depending on which monosaccharides are bonded with each other. Glucose and glucose make maltose, glucose and fructose make sucrose, and glucose and galactose make lactoseHow are these three disaccharides structurally different from each other?10
8615172528glucoseStarch, cellulose, and glycogen are all chains of which monosaccharide?11
8615172529They're isomers. They have the same chemical formula but different chemical arrangements. So, they contain the same molecules, but look different.How are starch and cellulose structurally different from each other if they're both made up of the same monosaccharide?12
8615172530The human body breaks own starch and disaccharides because they are carbohydrates. The body needs carbohydrates because they are sugars, and the body gets energy from sugar.Why does the human body break down (digest) starch and disaccharides? (What does the body need, and why?)13
8615172531The human body uses enzymes, like amylase, to break them down into monosaccharides so they can be used in the body as a source of energy.How does the human body break down starch and disaccharides?14
8615172532The human body can break down starch because it has the enzyme, amylase, to break it down. The human body does not have the enzyme, cellulase, that is used to break down and digest cellulose.Why can the human break down starch and not cellulose?15
8615172533Some people stop producing the enzyme lactase, which breaks down lactose. Therefore, making it difficult to digest lactose.Why do some people become lactose intolerant later in life?16
8615172534MaltoseWhich disaccharide is also known as malt sugar?17
8615172535SucroseWhich disaccharide is also known as table sugar?18
8615172536LactoseWhich disaccharide is also known as milk sugar?19
8615172537SucroseWhich disaccharide is found flowing in plants?20
8615172538Cellulosewhich polysaccharide is found in the cell walls of plants?21
8615172539ChitinWhich polysaccharide is found in the cell walls of fungi?22
8615172540ChitinWhich polysaccharide is found in the exoskeletons of crustaceans?23
8615172541GlycogenWhich polysaccharide is the storage form of glucose in plants?24
8615172542GlycogenWhich polysaccharide is the storage form of glucose in plants?25
8615172543It is when two molecules are bonded together by taking away water.What is synthesis by dehydration? Also known as dehydration synthesis?26
8615172544No, because you only use dehydration synthesis to create disaccharides and polysaccharides, but fructose is a monosaccharide.Could synthesis of dehydration be used to form fructose?27
8615172545Yes, because starch is the polysaccharide. And in order to get a polsysaccharide you have to bond three glucose molecules togetherCould synthesis by dehydration be used to form starch?28
8615172546EnzymeWhat is a protein macromolecule called?29
8615172547Monopeptide, dipeptide, polypeptidesA protein molecule is a long strand of what type of smaller molecule?30
861517254820How many different amino acids are there?31
8615172549DipeptideIf only two amino acids are bonded together, what do you have?32
8615172550HydrolysisWhat is used to break the bond between two amino acids?33
8615172551Peptide bondWhat type of bonds hold to amino acids together?34
8615172552We need polypeptides and peptides because they give us the enzymes we need to break down polysaccharides into monosaccharides which we convert into energyWhy does the human body breakdown polypeptides and peptides? (What does the body need, and why?)35
8615172553Yes, we put amino acids together to create polypeptides which help us break down polysaccharidesDoes the human body ever put amino acids together to make polypeptides? If it does, what is the purpose?36
8615172554YesDoes the body use synthesis by dehydration to bond amino acids together to make peptides and polypeptides?37
8615172555Amino acid structure38
8615172556TriglycerideWhat is the scientific name for a fat molecule?39
8615172557Glycerol and fatty acidsA fat molecule is made out of what smaller molecules?40
8615172558One glycerol and three fatty acidsHow many of each type of glycerol and fatty acid molecules are needed to make one fat molecule?41
8615172559YesAre all glycerol molecules the same?42
8615172560No; the different types are butyric, lauric, and caproicAre all fatty acid molecules the same?43
8615172561Unsaturated fats are liquid at room temperature and contain double bonds, or kinks. These are healthier for your body because they are easier to break down and separate. They're also healthier because they raise HDL levels (good cholesterol). Saturated fats are solid at room temperature. They do not contain double bonds or kinks and have a much more tightly packed structure, making it more difficult to break down. They raise LDL levels (bad cholesterol), and are more likely to clog arteries.What's the difference between saturated and unsaturated fats?44
8615172562Monounsaturated fat molecules only have one double bond, wheres polyunsaturated fats have multiple double bonds.What is the difference between polyunsaturated and monounsaturated fat molecules?45
8615172563Saturated fats are worse for the body because they raise levels of bad cholesterol (LDL) and lower levels of good cholesterol (HDL). They are also more likely to clog your arteries.Which are worse for you: unsaturated or saturated fats?46
8615172564butter, fatty beef, cheese, creamWhat types of foods contain saturated fats?47
8615172565sunflower seeds, nuts, fish, canola oil,What types of foods contain unsaturated fats?48
8615172566Saturated fatWhich type of fat tends to be solid at room temperature?49
8615172567Triglycerides are a way to store energy for the human bodyWhy does the body need to break down triglycerides?50
8615172568HydrolysisHow does the human body break down triglycerides?51
8615172569Yes, this is used to store fat. Glycerol and fatty acid molecules form to create lipids.Does the human body ever put glycerol and fatty acid molecules to form a macromolecule? If it does, for what purpose?52
8615172570YesDoes the human body use synthesis by dehydration to bond glycerol and fatty acid molecules to form a lipid?53

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