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Biological Molecules
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What is found in amylopectin but not in amylose?
1,6 (glycosidic) bond, branching
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What is the smallest number of nitrogen atoms in all amino acids?
1
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What is the name and number of covalent bonds needed to form a triglyceride from its subunits?
3 ester bonds
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Which type of bond(s) hold(s) primary structure of proteins together?
Peptide bond
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Polysaccharides, triglycerides and polypeptides are polymers. True or false?
False
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What type of reaction is demonstrated in the image?
Condensation or anabolic
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What is the smallest number of oxygen atoms in all amino acids?
2
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Which protein has a role in oxygen transportation by the blood?
Haemoglobin
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The simplest sugars have 6 carbons. True or false?
False
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Which structural level of proteins is shown in the diagram?
secondary
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What is the main function of triglycerides?
Energy storage
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Which elemets (atoms) are found in lipids?
C, H, O
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Name two disaccharides.
Maltose, sucrose, lactose
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What is the storage polysaccharide in animal cells?
Glycogen
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All carbohydrates are sugars. True or false?
False
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Which protein structural level is betwee secondary and quaternary?
Tertiary
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What is the smallest number of carbon atoms in all amino acids?
2
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Which of these polyssaccharides is the odd one out in terms of the monomers? Glycogen, Amylopectin, Cellulose
Cellulose
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A gram of carbohydrate contains more energy than a gram of lipid. True or false?
False
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Which two molecules are produced when a glucose and a fructose are used in condensation reaction?
Sucrose and water
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Which is a Beta glucose?
2
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When 5 amino acids are linked together to form a small peptide molecule, how many water molecules are released?
4
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Which of these polyssaccharides is the odd one out in terms of the types of glycosidic bonds? Glycogen, Amylopectin, Amylose
Amylose
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What are the building blocks of lipids?
Fatty acids and glycerol
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