DHN 311 - Study guides, Class notes & Summaries

DHN 311 exam 1 Questions and Correct Detailed Answers (Verified Answers) ||Already Graded A+||Newest VersionDHN 311 exam 1 Questions and Correct Detailed Answers (Verified Answers) ||Already Graded A+||Newest Version

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30 pages

Written in 2024/2025

Grade A+

ScholarsAscend

DHN 311 Exam 3 Questions with 100% Verified Correct Answers 2025/2026 where does the pentose phosphate pathway occur? - Correct Answer cytosol where is the pentose phosphate pathway most active? - Correct Answer liver, mammary glands, adrenal cortex, and rapidly dividing tissue what are important intermediates of the pentose phosphate pathway? - Correct Answer ribose-5 phosphate, used for nucleic acids and metabolite that can enter glycolysis if needed what are the irreversible and rev...

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24 pages

Written in 2024/2025

Grade A+

Winfred

DHN 311 Final Exam Questions with Correct Answers 2025/2026 Fed or fasted: Gluconeogenesis - Correct Answer - Fasted state - Activated by glucagon in the liver Fed or fasted: Glycolysis in non-liver tissues - Correct Answer - Fed state -Activated by insulin in all cells Fed or fasted: Glycolysis in the liver - Correct Answer - Fed state - Activated by insulin Fed or fasted: Beta-oxidation - Correct Answer - Fasted state - Activated by glucagon - Occurs in the liver and muscle F...

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19 pages

Written in 2024/2025

Grade A+

Winfred

DHN 311 Final Exam Study Guide Questions with 100% Verified Correct Answers 2025/2026 Under what conditions does gluconeogenesis occur? (fasting or fed) - Correct Answer Fasting, Gluconeogenesis makes glucose from non-carbohydrate precursors when glucose levels are low in the liver. (Supplies energy to other tissues when energy levels are low) Under what conditions does glycolysis (non-liver tissues) occur? (fasting or fed) - Correct Answer Fasting, When blood glucose is low in non-liver ...

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13 pages

Written in 2024/2025

Grade A+

Winfred

DHN 311 Exam NEWEST 2024 VERSION COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+ where does the pentose phosphate pathway occur? - Answer -cytosol where is the pentose phosphate pathway most active? - Answer -liver, mammary glands, adrenal cortex, and rapidly dividing tissue what are important intermediates of the pentose phosphate pathway? - Answer -ribose-5 phosphate, used for nucleic acids and metabolite that can enter glycolysis ...

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16 pages

Written in 2024/2025

Grade A+

BrightByte

DHN 311 EXAM 3 EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) Describe two different functions of the pentose phosphate pathway (PPP) (e.g. synthesis of molecules for other pathways, events). - Answer -1. it generates NADPH 2. it generates ribose 5-phosphate Why would the PPP be important in rapidly dividing cells? - Answer -Because ribose is needed in nucleic acid synthesis and the PPP produces ribose Pentose phosphate pathway (PPP) occurs in the ____ of the ...

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9 pages

Written in 2024/2025

Grade A+

BrightByte

DHN 311 Final Exam FINAL NEWEST 2025 ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+ Fed or fasted: Gluconeogenesis - Answer -- Fasted state - Activated by glucagon in the liver Fed or fasted: Glycolysis in non-liver tissues - Answer -- Fed state -Activated by insulin in all cells Fed or fasted: Glycolysis in the liver - Answer -- Fed state - Activated by insulin Fed or fasted: Beta-oxidation - Answer -- Fasted state - Activated by...

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13 pages

Written in 2024/2025

Grade A+

BrightByte

DHN 311 NEWEST EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ Anabolic Processes - Answer -Synthesize large molecules from smaller ones. Usually require REDUCING AGENTS and energy. Catabolic Processes - Answer -Break molecules down from larger to smaller components. Its usually OXIDATIVE in nature and energy releasing. Majority of energy released is captured as ATP. Biologic effects of insulin INCREASE: - Answer --Glucose Uptake -Glycogen ...

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13 pages

Written in 2024/2025

Grade A+

BrightByte

DHN 311 EXAM NEWEST 2025 ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS ALREADY GRADED A+ When more enzyme is added to a reaction involving a regular enzyme, the Vmax ________ in the presence of available substrate. (Inhibitors are not a factor in this situation) - Answer -Decrease An increase in Km indicates that ____ substrate is required for an enzyme to bind substrate. - Answer -More The folding of the tertiary structure is due to - Answer -Hydrogen, hydrophobic, and di...

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3 pages

Written in 2024/2025

Grade A+

BrightByte

DHN 311 EXAM NEWEST 2025 ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ The set of chromosomes in a cell makes up its - Answer -genome The information carried by DNA is held in a sequences of pieces of DNA called - Answer -genes What is the final product of the central dogma? - Answer -protein Nucleoacids - Answer -language used for expression of genetic material What are the two types of nucleoacids? - Answer -DNA and RNA Wh...

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4 pages

Written in 2024/2025

Grade A+

BrightByte

DHN 311 EXAM 3 PT 2 QUESTIONS AND ANSWERS ALL CORRECT What is the classification of amino acids based on? - Answer-it is based on which intermediate is produced that will eventually lead to the formation of glucose or ketones One fate of the amino group that is removed from the amino acids is the _____ _____. - Answer-urea cycle The fate of the carbon skeleton depends on whether the body is in a ____ or ____ state. - Answer-fasted fed In the fasted state, the carbon skeleton can b...

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7 pages

Written in 2024/2025

Grade A+

Scholarsstudyguide

DHN 311 Final Exam New Material with Complete Solution What is the issue with dietary cholesterol? - Answer-the issue starts when the body's ability to maintain cholesterol homeostasis is impaired Saturated fatty acids lead to what type of inflammation? - Answer-adipose tissue How do saturated fatty acids indirectly lead to adipose tissue inflammation? - Answer-by increasing the expression of a number of inflammatory genes in adipocytes How do saturated fatty acids directly lead t...

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9 pages

Written in 2024/2025

Grade A+

Scholarsstudyguide

DHN 311 Quizzes Questions with Correct Answers When considering a graph of an allosteric enzyme the negative inhibitor indicates the enzyme is in the - Answer-T state The energy that is used to move a reaction beyond the activation barrier is derived from - Answer-The interaction between enzymes and substrates A hormone that binds to its receptor that remains attached to the cell membrane is an example of - Answer-Indirect signaling When cell energy levels are high, phosphofructokin...

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3 pages

Written in 2024/2025

Grade A+

Scholarsstudyguide

DHN 311 EXAM 2 QUESTIONS WITH 100% CORRECT ANSWERS What role does proton coupling play in forming the proton gradient? - Answer-electron transport is couples to the phosphorylation of ADP by the transport (pumping) of protons across the IMM by complexes I, III, and IV What energy drives ATP synthesis in the ETC? - Answer-the energy generated by the proton gradient What two parts make up ATP synthase (complex V) - Answer-Fo domain: spans IMM, creates channel Fi domain: projects into ma...

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21 pages

Written in 2024/2025

Grade A+

Scholarsstudyguide

DHN 311 FINAL EXAM QUESTIONS WITH ALL CORRECT ANSWERS Where are macrophages and foam cells derived from? - Answer-- Macrophages: Derived from monocytes (which are leukocytes) - Foam cells: Derived from macrophages that have ingested oxidized LDL What is the significance of scavenger receptors? - Answer-- NOT down-regulated in response to intracellular cholesterol - Continue to engulf cholesterol rich particles until they transform into foam cells (may proliferate to form plaque) What ...

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13 pages

Written in 2024/2025

Grade A+

Scholarsstudyguide

DHN 311 Exam 3 Questions and Answers Pass Guaranteed Latest Update what is the first reaction on beta oxidation catalyzed by? - Answer-acyl CoA dehydrogenase what are the 4 reactions per cycle? - Answer-oxidation hydration oxidation thiolysis beta oxidation proceeds with usual within odd number fatty acids until the _____ are reached - Answer-final 3 carbons the 3 carbon compound generated is called - Answer-propionyl CoA the oxidation of unsaturated fatty acids provides ____...

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16 pages

Written in 2024/2025

Grade A+

Scholarsstudyguide

DHN 311 EXAM 3 QUESTIONS AND CORRECT ANSWERS 2024 LATEST UPDATE One source of the acetyl CoA that is used to make cholesterol was from excess _____ that was converted to acetyl CoA. - Answer-glucose Cholesterol is made in nearly all tissues of the body with a good bit of it being generated by the ____. - Answer-liver Cholesterol is derived from two sources, de novo synthesis and _____. - Answer-diet Humans do not need to eat dietary cholesterol because..... - Answer-our tissues can ...

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9 pages

Written in 2024/2025

Grade A+

Scholarsstudyguide

DHN 311 EXAM 1 QUESTIONS WITH 100% CORRECT ANSWERS How does temperature impact enzyme velocity? - Answer-increasing temps=increased velocity How does pH impact enzyme velocity? - Answer-can increase or decrease the velocity depending on the enzyme -denaturation can occur (Before or After) ______ Vmax is reached, there is free enzyme available for the substrate to bind. - Answer-before When substrate concentration is ______ (low or high) there is plenty of free enzyme available.Whi...

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9 pages

Written in 2024/2025

Grade A+

Scholarsstudyguide

DHN 311 TEST QUESTIONS WITH 100% CORRECT ANSWERS What are the 4 players of transcription? - Answer-1. RNA polymerases (enzyme) 2. Promoter region 3. Transcription factors 4. Enhancers What does RNA polymerase do in transcription? - Answer-unwinds double stranded DNA -initiates the process -adds next nucleotide base -responsible for terminating (stopping) transcription What polymerase synthesizes rRNA? - Answer-RNA polymerase I What polymerase synthesizes mRNA? - Answer-RNA...

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5 pages

Written in 2024/2025

Grade A+

Scholarsstudyguide

DHN311 Exam Tested Questions Reviewed And Revised With Correct Answers Already Passed!! 1. Major steps of the central dogma and their products - ANSWER Replication (DNA), transcriptin (RNA), translation (protein) 2. What are DNA polymerases copying? - ANSWER the DNA strands 3. What makes a DNA strand leading vs lagging? - ANSWER antiparallel characteristics 4. What is a promoter? - ANSWER The Binding site for RNA polymerase, starting point 5. ...

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12 pages

Written in 2024/2025

Grade A+

EWLindy