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 Biomolecules 28 Flashcards |
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Fill in the blank: The most abundant chemical in living organisms is ___. |
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Water  |
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What is the primary function of proteins in living organisms? |
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The Role of Proteins in Living OrganismsProteins act as enzymes, speeding up biochemical reactions essential for life processes.They provide structural support in cells and tissues, maintaining shape and integrity.Proteins are key in transporting molecules, such as oxygen in hemoglobin, throughout the body. |
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Riddle: I am a long chain of sugars, used for energy storage in plants. What am I? |
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Starch  |
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Fill in the blank: Amino acids are classified based on their ___ group. |
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R  |
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What distinguishes primary metabolites from secondary metabolites? |
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Primary MetabolitesDistinction Between Metabolites
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Multiple Choice: Which of the following is a macromolecule? A) Water B) Glucose C) Protein D) Sodium |
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C) Protein  |
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What are the three components of a nucleotide? |
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A heterocyclic compound, a monosaccharide, and a phosphate group.  |
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True or False: Lipids are classified as macromolecules due to their high molecular weight. |
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False. Lipids are not strictly macromolecules despite being associated with cell membranes. |
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Riddle: I am a type of acid that is essential for life, found in DNA and RNA. What am I? |
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Nucleic acid  |
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Fill in the blank: Enzymes lower the ___ energy required for chemical reactions. |
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Activation  |
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What is the role of coenzymes in enzymatic activity? |
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Coenzymes are organic compounds that assist enzymes in catalyzing biochemical reactions.  |
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Multiple Choice: Which class of enzymes catalyzes the transfer of a group other than hydrogen? A) Hydrolases B) Transferases C) Ligases D) Isomerases |
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B) Transferases
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Fill in the blank: The quaternary structure of a protein refers to ___ of multiple polypeptide chains. |
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The arrangement  |
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What is the significance of the active site in an enzyme? |
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Active SiteThe Role of Active Sites in Enzymes
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