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Additional items examine lipid structure, nitrogenase activity, nucleotide composition, and the role of carbohydrates in human diet.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/exam/","Exam",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/biochemistry-practice-questions/455842/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/biochemistry-practice-questions/455842.png","ImageObject",300,407,{"name":42,"@type":43},"noah","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-10","2026-09-30",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",6,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"Which element is found in all living things?","Question",{"text":63,"@type":64},"The question asks which element appears in all living organisms, with options including helium, sodium, copper, and carbon.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"What characteristic makes carbon essential to living organisms?",{"text":68,"@type":64},"The questions focus on carbon’s ability to form diverse bonds that support life’s molecular structures.",{"name":70,"@type":61,"acceptedAnswer":71},"What type of molecules are primarily used for long-term energy storage in lemurs?",{"text":72,"@type":64},"The question asks which molecules support long-term energy storage, offering options such as lipids, monosaccharides, nucleic acids, and proteins.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},455842,1791154940,{"code":4,"msg":82,"data":83},"success",[84,88,92,95,100,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":89,"show_sort_weight":90,"slug":91},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":93,"slug":94},70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":55,"doc_module":4,"doc_module_name":25,"category_name":101,"show_sort_weight":102,"slug":103},"Technology",50,"technology",{"id":105,"doc_module":4,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},7,"Healthcare",40,"healthcare",{"id":110,"doc_module":4,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},8,"Research & Report",30,"research-report",{"id":115,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},9,"Religion & Spirituality",20,"religion-spirituality",{"id":117,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":117,"slug":121},"World Cup","world-cup",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":123,"slug":125},10,"Lifestyle","lifestyle",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":96,"slug":129},19,"General","general",{"code":4,"msg":82,"data":131},{"doc_id":79,"user_id":132,"nickname":42,"user_avatar":133,"doc_module":4,"category_id":33,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":139,"language":140,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":12,"update_tm":144,"read_time":112},1099529839121,"https://ap-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d","Biochemistry Practice Questions  \nName:   Date:    \n1. All living things contain which element?  \nA. helium B. sodium  \nC. copper D. carbon  \n2. Plants and animals are composed of organic compounds. Which of the following are the common elements found in organic compounds?  \nA. iron, oxygen, nickel, copper  \nB. sodium, potassium, gold, hydrogen  \nC. helium, neon, argon, krypton  \nD. carbon, hydrogen, oxygen, nitrogen  \n3. What characteristic of carbon (C) makes it essential to living organisms?  \nA. Carbon forms crystal structures under certain conditions.  \nB. Carbon can exist as a solid, liquid, or gas.  \nC. Carbon bonds in many ways with itself to form chains.  \nD. Carbon exists in radioactive forms.  \n4. There are many di􀀋erent enzymes located in the cytoplasm of a single cell. How is a speci􀀌c enzyme able to catalyze a speci􀀌c reaction?  \nA. Di􀀋erent enzymes are synthesized in speci􀀌c areas of the cytoplasm.  \nB. Most enzymes can catalyze many di􀀋erent reactions.  \nC. An enzyme binds to a speci􀀌c substrate (reactant) for the reaction catalyzed.  \nD. Enzymes are transported to speci􀀌c substrates (reactants) by ribosomes.  \n5. Maltose can be broken down into glucose molecules by the enzyme maltase. Which of the following would slow the reaction rate?  \nA. adding maltase B. adding maltose  \nC. removing glucose D. diluting with water  \n6. Although there are a limited number of amino acids, many di􀀋erent types of proteins exist because the  \nA. size of a given amino acid can vary.  \nB. chemical composition of a given amino acid can vary.  \nC. sequence and number of amino acids is di􀀋erent.  \nD. same amino acid can have many di􀀋erent properties.  \n7. What types of monomers form proteins?  \nA. Glucose B. Nucleotides  \nC. Amino acids D. Polyatomic ions  \n8. The structural formula of cellulose is shown.  \nWhich phrase correctly describes cellulose?  \nA. A polymer made of glucose  \nB. A branched form of sucrose  \nC. A disaccharide  \nD. A simple sugar  \n9. Which of the following is a primary function of carbohydrates?  \n[A. storage](A. storage) of energy  \nB. transmission of genetic material  \nC. acceleration of chemical reactions  \nD. transport of molecules across membranes  \n10. Many aquatic birds secrete waxy organic substances that repel water. The birds use these substances to coat their feathers. An analysis of these substances would reveal that they are composed mostly of  \nA. lipids. B. proteins.  \nC. carbohydrates. D. nucleic acids.  \n11. The diagram below represents a fat molecule.  \nA fat molecule belongs to which category of organic molecules?  \nA. proteins B. lipids  \nC. nucleic acids D. carbohydrates  \npage 2 Biochemistry Practice Questions  \n12. Some bacteria contain a substance called nitrogenase. Nitrogenase catalyzes the chemical reaction that converts atmospheric nitrogen (N 2) into ammonia (NH 3) . Nitrogenase is an example of which of the following?  \nA. a sugar [B. an](B. an) enzyme  \nC. a nucleotide [D. an](D. an) amino acid  \n13. Which of the following categories of organic molecules is correctly paired with one of its functions?  \nA. nucleic acidsódigest dead cells  \nB. lipidsógive quick energy to cells  \nC. carbohydratesóstore genetic information  \nD. proteinsóprovide structure in skin, hair, and nails  \n14. Which of the following best describes the composition of a nucleotide?  \nA. a pair of six-carbon rings attached to eachother  \nB. a carbon atom joined to hydrogen and three functional groups  \nC. a chain of carbon atoms with a carboxyl group bonded to one end  \nD. a 􀀌ve-carbon sugar attached to a phosphate group and a nitrogenous base  \n15. Which of the following is the main reason that humans need to include carbohydrates in their diet?  \nA. Carbohydrates are broken down in cells for energy.  \nB. Carbohydrates combine to form many di􀀋erent proteins.  \nC. Carbohydrates act as catalysts to speed up chemical reactions.  \nD. Carbohydrates are the building blocks for cell growth and repair.  \npage 3 Biochem","cbCaikUVDyXRMa36","https://ap.wps.com/l/cbCaikUVDyXRMa36","pdf",1895085,12,"English","# Multiple-choice Questions\n## Elements, carbon, and biomolecules\n## Enzymes and reaction rates\n## Proteins, monomers, and polymers\n## Carbohydrates, lipids, and nucleotides\n## Nitrogenase and diet-related functions\n## Additional science reading passage and figures","[{\"question\":\"Which element is found in all living things?\",\"answer\":\"The question asks which element appears in all living organisms, with options including helium, sodium, copper, and carbon.\"},{\"question\":\"What characteristic makes carbon essential to living organisms?\",\"answer\":\"The questions focus on carbon’s ability to form diverse bonds that support life’s molecular structures.\"},{\"question\":\"What type of molecules are primarily used for long-term energy storage in lemurs?\",\"answer\":\"The question asks which molecules support long-term energy storage, offering options such as lipids, monosaccharides, nucleic acids, and proteins.\"}]","Biochemistry Practice Questions | PDF",1790744458]