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DHN 311 Final Exam Tested Questions Reviewed And Revised With Correct Answers Already Passed!! 1. Plasma lipoproteins are composed of __ and ___ - ANSWER proteins lipids and 2. What are the four categories of spherical macromolecular complexes? - ANSWER 1. chylomicron 2. very low density lipoproteins 3. low density lipoproteins 4. high density lipoproteins 3. Hhow do the 4 spherical macromolecular complexes differ? - ANSWER in lipid and protein compo...

DHN 311 Exam Tested Questions Reviewed And Revised With Correct Answers Already Passed!! 1. Glucagon is released from __1__ cells in the __2__ in response to __3__ blood glucose. Also increases __4__ that favor __5__ - ANSWER 1. alpha 2. pancreas 3. low 4. subtrate levels 5. gluconeogenesis 2. 3 mechanisms used by GLUCAGON to regulate gluconeohenesis - ANSWER 1. changes in allosteric effectors (increase substrates that favor gluconeogenesis) 2. covalent modi...

DHN 311 Exam Tested Questions Reviewed And Revised With Correct Answers Already Passed!! 1. The steroid hormones included.... - ANSWER 2. mineralocorticoids 3. sex hormones 1. glucocorticoids 2. _____ is the precursor for all of these steroid hormones. - ANSWER cholesterol 3. An example of a glucocorticoid is ____. - ANSWER 4. An example of a mineralocorticoid is _____. - ANSWER cortisol 5. Examples of sex hormones are ____ and ____. - ANSWE...

DHN311 Exam Tested Questions Reviewed And Revised With Correct Answers Already Passed!! 1. In a catabolic reaction, the substrate tends to be ______ (oxidized or reduced),which means the coenzyme tends to be reduced. The reducing equivalents, NADH/FADH2, are used to generate energy and tend to be generated during catabolic reactions. Catabolic reactions also generate ______, which is a usable form of chemical energy. - ANSWER -ATP -oxidize 2. During an anabolic reaction, N...

DHN 311 Exam Tested Questions Reviewed And Revised With Correct Answers Already Passed!! 1. Where does the pentose phosphate pathway occur? - ANSWER 2. Where is the pentose phosphate pathway most active? - ANSWER liver, mammary glands, adrenal cortex, and rapidly dividing tissue cytosol 3. What are important intermediates of the pentose phosphate pathway? - ANSWER ribose-5 phosphate, used for nucleic acids and metabolite that can enter glycolysis if neede...

DHN311 Exam Tested Questions Reviewed And Revised With Correct Answers Already Passed!! 1. Name 3 factors that influence the reaction velocity of enzyme driven reactions. - ANSWER temperature pH substrate concentration 2. (Before or After) ______ Vmax is reached there is free enzyme available for the substrate to bind. - ANSWER Before 3. When substrate concentration is ______ (low or high) there is plenty of free enzyme available. Which means that when enzyme...

DHN 311 Exam 120 + Questions Reviewed And Revised With Correct Answers Already Passed!! 1. Acetylation addition of acetyl group relaxes DNA, increase access 2. De-acetylation removes acetyl contracts 3. Methylation add methyl contracts 4. Gene amplification increases number of copies of specific gene 5. Direct transcriptional regulation ligand binds to intracellular receptors creates transcription factor binds to DNA to restrict or amplify 6. Indirect trans...

DHN 311 Exam Tested Questions Reviewed And Revised With Correct Answers Already Passed!! 1. The major anabolic hormone that impacts glucose, lipid, and amino acid synthesis and storage - ANSWER insulin 2. Insulin? - ANSWER - storage hormone - released in response to carbs/nutrients after eating - promote/increase glucose intake into certain cells (stores excess glucose as glycogen) - tells body to make protein and fat - turns off pathways that break down stored energ...

DHN 311 Final Exam Tested Questions Reviewed And Revised With Correct Answers Already Passed!! 1. What is a SNP? - ANSWER - Single nucleotide polymorphism - Most common type of genetic variation/polymorphism - Each SNP represents a difference in a single DNA nucleotide 2. What is RNA splicing? - ANSWER - Splicing is when introns are taken out and exons are joined together to form mature RNA 3. Describe the role of each type of RNA - ANSWER - Transfer RNA (tRNA) - tr...

DHN 311 Exam Tested Questions Reviewed And Revised With Correct Answers Already Passed!! 1. What are the two classes of enzyme inhibitors? - ANSWER 2. irreversible 2. What are the four types of enzyme inhibition? - ANSWER 2. non-competitive 3. uncompetitive 4. suicide 3. Competitive inhibition occurs when the inhibitor.... - ANSWER reversibly to the same site that the substrate would normally bind 4. A competitive inhibitor ____ the Km - ANSWER ...