[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-210793-en":3,"doc-seo-210793-105":30,"detail-sidebar-cat-0-en-105":92},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":4,"category_id":11,"category_name":12,"doc_title":13,"doc_description":14,"doc_content":15,"file_id":16,"file_url":17,"file_type":18,"file_size":19,"view_count":20,"is_deleted":4,"is_public":20,"is_downloadable":20,"audit_status":20,"page_count":21,"language":22,"language_code":23,"site_id":24,"html_lang":23,"table_of_contents":25,"faqs":26,"seo_title":27,"seo_description":14,"update_tm":28,"read_time":29},210793,8796095360427,"Lucas Martin","https://ap-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d",7,"Healthcare","Metabolism - Biochem Study Strategies, Glycolysis & Gluconeogenesis","Biochem learning notes for MCAT preparation focused on studying metabolism by connecting biomolecular structure to physiological function, interpreting pathway purpose, and tracking pathway inputs, outputs, and regulation. Detailed coverage of glycolysis explains glucose breakdown to pyruvate, net ATP and NADH production, anaerobic context, and key regulatory/committed steps (hexokinase, PFK, pyruvate kinase) with control by ATP, pH, PEP, AMP, and fructose-2,6-bisphosphate. Gluconeogenesis is contrasted by formation of glucose from pyruvate, lactate, glycerol, and select amino acids, including liver/renal cortex localization and hormonal/energy regulation. Practice questions reinforce differences.","Metabolism  \nIntroduction  \nHi, I’m Phil!  \n§ MCAT Content writer  \n§ Tutored and taught for 10+ years  \n§ Attended University of Nebraska Medical Center as an MD/PhD student.  \nBiochem Study Strategies  \nRecurring theme for biochem:  \nDon’t miss the forest for the trees!  \nWhen studying, ask yourself  \n• Why does this matter physiologically?  \n• Biomolecules: how does chemical structure connect to biological function?  \n• Pathways: what does a pathway DO?  \n• What are the inputs & outputs ofa pathway?  \n• How is a pathway regulated (big-picture?)  \n• Does a pathway have any especially important steps?  \nGlycolysis  \n§ Breakdown of glucose into pyruvate  \n• Net ATP production: 2 molecules  \n• 2 NADH molecules are also produced  \n• Anaerobic  \n• Products fed into   .  \n• Citric acid cycle  \n• Fermentation  \n• Occurs in cytosol  \n• Tightly regulated to avoid futile cycle with gluconeogenesis  \nC 6 H 12 O6 + 2 NAD+ + 2 ADP + 2 Pi → 2 pyruvate + 2 NADH + 2 H+ + 2 ATP + 2H 2 O  \nGlycolysis  \n§ Input: Steps 1-5  \n§ Output: Steps 6-10  \n• ATP input: Steps 1, 3  \n• ATP output: Steps 7, 10  \n• Regulatory points:  \n• Step 1 (hexokinase)  \n• Step 3 (phosphofructokinase [PFK])  \n• Step 10 (pyruvate kinase)  \n• Committed step: Step 3  \n• PFK1 inhibited by ↑ ATP, ↓ pH, and ↑ PEP (a downstream product)  \n• PFK1 activated by ↑ AMP and fructose 2,6-bisphosphate  \n• Rate of glycolysis  \n• ↑ when [ATP] is low  \n• ↓ when [ATP] is high  \nImage adapted from Thomas Shafee under CC BY-SA 4.0  \nGluconeogenesis  \n§ Creation of glucose from pyruvate, lactate, glycerol (lipids), some AAs  \n• Occurs mainly in liver (+ cortex of kidneys) .  \n• Different from glycolysis in 3 major steps  \n• If not “bypassed” would be highly endergonic.  \n• Fasting conditions promote gluconeogenesis  \n• Acetyl-CoA (from beta-oxidation): ↑ gluconeogenesis  \n• Glucagon à inhibits glycolytic enzymes, promotes PEPCK à ↑ gluconeogenesis  \n• High [AMP] promotes gluconeogenesis.  \n• High [ATP] inhibits gluconeogenesis.  \ncytosol  \nmitochondria  \nGlycolysis & Gluconeogenesis  \n5. All of the following are true about glycolysis EXCEPT that:  \nA) it occurs in the cytoplasm.  \nB) it is an anaerobic process.  \n C) it results in a net production of 4 ATP.  \nD) it requires ATP in order to be initiated.  \n6. An aerobic organism is placed in an oxygen-poor environment and begins to produce:  \nA) an excess of acetyl-CoA.  \n B) an excess of NADH.   \nC) an excess of ATP.  \nD) an excess of ADP.  \nGlycolysis & Gluconeogenesis  \n7. Of the following, which accurately describes a difference between glycolysis and gluconeogenesis?  \nA) Glycolysis can occur in all cells, while gluconeogenesis cannot.  \nB) Glycolysis and gluconeogenesis occur indifferent parts of the cell.  \nC) Only gluconeogenesis requires ATP to function.  \nD) Glycolysis can occur in the absence of oxygen, while gluconeogenesis cannot.  \n8. The end goal of gluconeogenesis is the:  \nA) formation of acetyl-CoA for use in the citric acid cycle.  \nB) creation of ATP to facilitate the continuation of biological processes.  \nC) regeneration of NAD + to allow glycolysis to continue.  \n D) regulation of blood glucose levels.   \n9. Elevated levels of which substrate will stimulate gluconeogenesis?  \nA) Insulin  \nB) ATP  \n C) Acetyl-CoA   \nD) Glucose  \nThe Best MCAT Prep Course. Just. Got.  \nBetter.  \nEverything you need to crush the MCAT:  \n• NEW! 160 learning modules integrate content, strategy & quizzes  \n• NEW! Test out of content you’ve already mastered  \n• New! Insane video animation to keep you engaged  \n• 99th+ Percentile Instructors  \n• Adaptable Study Planner  \n• NEW! Powerful analytics to diagnose your weaknesses by identifying the underlying patterns of what you get wrong  \n• NEW! 100% mobile-friendly  \n• Review sessions online with live Instructors 5x/week  \n• 6 MCAT Books  \n• NEW! Qbank with 4000+ questions  \n• Access to AAMC online resources  \nü Your practice experience matters! Prep with the most realistic testing environment w","cbCaivAEZJy2SHxo","https://ap.wps.com/l/cbCaivAEZJy2SHxo","pdf",10083380,1,14,"English","en",105,"# Introduction\n## Biochem Study Strategies\n# Glycolysis\n## Regulation and Key Steps\n# Gluconeogenesis\n## Major Differences and Regulation\n# Glycolysis & Gluconeogenesis\n## Practice Questions","[{\"question\":\"What study approach is recommended for biochemistry pathways in this document?\",\"answer\":\"Focus on the “big picture” by asking why the pathway matters physiologically, how biomolecular structure links to function, and what the pathway does, including its inputs, outputs, and regulation.\"},{\"question\":\"What are the main products and energy outcomes of glycolysis described here?\",\"answer\":\"Glycolysis breaks glucose into pyruvate and produces a net 2 ATP plus 2 NADH, with anaerobic context noted for the process described.\"},{\"question\":\"How does the document describe key regulatory differences between glycolysis and gluconeogenesis?\",\"answer\":\"Glycolysis is controlled at hexokinase, PFK (committed step), and pyruvate kinase, while gluconeogenesis is mainly regulated by energy and hormonal signals such as glucagon promoting gluconeogenic enzymes (e.g., via PEPCK) and fasting/high AMP enhancing it, whereas high ATP and insulin inhibit parts of the pathway.\"}]","Metabolism - Biochem Study Strategies, Glycolysis & Gluconeogenesis | PDF",1788674856,35,{"code":4,"msg":31,"data":32},"ok",{"site_id":24,"language":23,"slug":33,"title":13,"keywords":34,"description":14,"schema_data":35,"social_meta":87,"head_meta":89,"extra_data":91,"updated_unix":28},"metabolism-biochem-study-strategies-glycolysis-gluconeogenesis","",{"@graph":36,"@context":86},[37,54,69],{"@type":38,"itemListElement":39},"BreadcrumbList",[40,44,48,51],{"item":41,"name":42,"@type":43,"position":20},"https://docshare.wps.com","Home","ListItem",{"item":45,"name":46,"@type":43,"position":47},"https://docshare.wps.com/document/","Document",2,{"item":49,"name":12,"@type":43,"position":50},"https://docshare.wps.com/document/healthcare/",3,{"item":52,"name":13,"@type":43,"position":53},"https://docshare.wps.com/document/metabolism-biochem-study-strategies-glycolysis-gluconeogenesis/210793/",4,{"url":52,"name":13,"@type":55,"author":56,"headline":13,"publisher":58,"fileFormat":61,"inLanguage":23,"description":14,"dateModified":62,"datePublished":63,"encodingFormat":61,"isAccessibleForFree":64,"interactionStatistic":65},"DigitalDocument",{"name":9,"@type":57},"Person",{"url":41,"name":59,"@type":60},"DocShare","Organization","application/pdf","2026-09-11","2026-09-06",true,{"@type":66,"interactionType":67,"userInteractionCount":20},"InteractionCounter",{"@type":68},"ViewAction",{"@type":70,"mainEntity":71},"FAQPage",[72,78,82],{"name":73,"@type":74,"acceptedAnswer":75},"What study approach is recommended for biochemistry pathways in this document?","Question",{"text":76,"@type":77},"Focus on the “big picture” by asking why the pathway matters physiologically, how biomolecular structure links to function, and what the pathway does, including its inputs, outputs, and regulation.","Answer",{"name":79,"@type":74,"acceptedAnswer":80},"What are the main products and energy outcomes of glycolysis described here?",{"text":81,"@type":77},"Glycolysis breaks glucose into pyruvate and produces a net 2 ATP plus 2 NADH, with anaerobic context noted for the process described.",{"name":83,"@type":74,"acceptedAnswer":84},"How does the document describe key regulatory differences between glycolysis and gluconeogenesis?",{"text":85,"@type":77},"Glycolysis is controlled at hexokinase, PFK (committed step), and pyruvate kinase, while gluconeogenesis is mainly regulated by energy and hormonal signals such as glucagon promoting gluconeogenic enzymes (e.g., via PEPCK) and fasting/high AMP enhancing it, whereas high ATP and insulin inhibit parts of the pathway.","https://schema.org",{"og:url":52,"og:type":88,"og:title":13,"og:site_name":59,"og:description":14},"article",{"robots":90,"canonical":52},"index,follow",{"doc_id":7,"site_id":24},{"code":4,"msg":5,"data":93},[94,98,102,106,111,116,119,124,129,132,136],{"id":20,"doc_module":4,"doc_module_name":46,"category_name":95,"show_sort_weight":96,"slug":97},"Story & Novel",90,"story-novel",{"id":47,"doc_module":4,"doc_module_name":46,"category_name":99,"show_sort_weight":100,"slug":101},"Literature",80,"literature",{"id":53,"doc_module":4,"doc_module_name":46,"category_name":103,"show_sort_weight":104,"slug":105},"Exam",70,"exam",{"id":107,"doc_module":4,"doc_module_name":46,"category_name":108,"show_sort_weight":109,"slug":110},5,"Comic",60,"comic",{"id":112,"doc_module":4,"doc_module_name":46,"category_name":113,"show_sort_weight":114,"slug":115},6,"Technology",50,"technology",{"id":11,"doc_module":4,"doc_module_name":46,"category_name":12,"show_sort_weight":117,"slug":118},40,"healthcare",{"id":120,"doc_module":4,"doc_module_name":46,"category_name":121,"show_sort_weight":122,"slug":123},8,"Research & Report",30,"research-report",{"id":125,"doc_module":4,"doc_module_name":46,"category_name":126,"show_sort_weight":127,"slug":128},9,"Religion & Spirituality",20,"religion-spirituality",{"id":127,"doc_module":4,"doc_module_name":46,"category_name":130,"show_sort_weight":127,"slug":131},"World Cup","world-cup",{"id":133,"doc_module":4,"doc_module_name":46,"category_name":134,"show_sort_weight":133,"slug":135},10,"Lifestyle","lifestyle",{"id":137,"doc_module":4,"doc_module_name":46,"category_name":138,"show_sort_weight":107,"slug":139},19,"General","general"]