Cofactor - Samenvattingen, Notities en Examens
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NBME PHYSIOLOGY UPDATED EXAM WITH COMPLETE SOLUTIONS 2023/2024
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NBME PHYSIOLOGY UPDATED EXAM 
WITH COMPLETE SOLUTIONS 
2023/2024 
Prostglandin - CORRECT ANSWER-From mast cells, macrophages, EC, and platelets 
Vasodilation, pain 
Rate controlling step in Insulin secretion - CORRECT ANSWER-Phosphorylation of 
glucose by glucokinase 
Glucokinase mutation - CORRECT ANSWER-Autosomal dominant form of early onset 
type 2 diabetes 
GLUT 2 - CORRECT ANSWER-low affinity high capacity glucose transporter. 
Uptake by beta cells 
Insulin release - CORRECT ANSWER-Bloo...
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Nutrition 1020 Module 5 Questions with Correct Solutions
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Vitamins + Minerals - play integral role in cell metabolism 
 
Recommendations for essential nutrient intake levels - are established to support optimal function and health 
 
The fat-soluble vitamins (soluble in oil) - A; D; E; K 
 
The water soluble nutrients - water-soluble B vitamins, thiamin, riboflavin, niacin, vitamin B6, vitamin B12, biotin, pantothenic acid, folate, choline, + water soluble vitamin C 
 
Vitamin A - functions in vision (including light and dark adaptation ...
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Download this complete,fully solved and updated actual exam for CCEA AS Biology Unit One: KEY TERMS
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Activation energy 
The activation energy required for a reaction is reduced by enzymes. 
 
 
 
Active site 
The area of the enzyme where the substrate fits. Can be denatured by pH and heat. Complementary to the substrate. 
 
 
 
 
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Active transport 
Movement of molecules against the concentration gradient (low to high) and requires energy. 
 
 
 
Adenine 
One of the 4 bases...
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NUTR 455, Final exam || with 100% Correct Answers.
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When water-soluble vitamins are consumed in excess of body needs, generally the excess is: 
a. excreted in the feces. 
b. stored in liver, bone, and adipose tissue. 
c. excreted in the urine. 
d. not absorbed. correct answers C 
 
A major function of B vitamins is to serve as: 
a. antibodies. 
b. a source of energy. 
c. a part of a coenzyme. 
d. electrolytes. correct answers C 
 
Most animals synthesize their own ascorbic acid from _____. 
a. glucose 
b. glutamine 
c. glycogen 
d. alanine correc...
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NUTR 455- Exam |Questions with 100% Solutions/Verified Answers
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Excreted in the urine - ANSWER When water-soluble vitamins are consumed in excess of body 
needs, generally the excess is: 
A part of a coenyme - ANSWER A major function of B vitamins is to serve as: 
Glucose - ANSWER Most animals synthesize their own ascorbic acid from: 
Lost 2 electrons - ANSWER When ascrobic acid becomes dehydroascorbic acid it has: 
Collagen synthesis - ANSWER Vitamin C acts as a cofactor by maintaining iron in a reduced state 
in:
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EPHE 155 final || Already Graded A+.
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water soluble vitamins correct answers Vitamins B and C 
 
-cooking and washing them with water can leach them out of food 
 
-body easily absorbs and excretes them 
 
-can't reach toxic levels by food 
 
-not stored for long (at most a month) 
 
vitamin C correct answers ascorbic acid/calcium ascorbate (buffered) 
 
-co-enzyme in the formation and maintenance of collagen and connective. tissue 
 
-cofactor in the production of carnitine; important in the transport of fatty acids 
 
-anti-oxida...
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ACS BIOCHEMISTRY 1 MID TERM EXAM QUESTIONS AND ANSWERS LATEST 2024
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ACS BIOCHEMISTRY 1 MID TERM EXAM QUESTIONS AND ANSWERS LATEST 2024 
 
Biochemistry I 
What is the difference between an apo and holoprotein 
Apo = protein part of an enzyme without its characteristic prosthetic group (cofactor is not bound) 
 
Holo = apoprotein with its prosthetic group (cofactor bound) 
Many amino acids exist as what isomer? 
L 
Most alpha amino acids are _____, expect for glycine. All amino acids have ______ unique to itself. 
Chiral, R-group/4th substituent 
When naming an a...
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davids super cool Davids This One UNE BioChem 1005 Final Exam Questions And Answers
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davids super cool Davids This One UNE BioChem 1005 Final Exam Questions And Answers 
 
 
Carnitine palmitoyl transferase - ANS - transfers acyl groups from CoA to carnitine & vice versa 
- inhibited by malonyl-CoA 
 
ketone bodies - ANS - acetoacetate, β-hydroxybutyrate, acetone 
- oxidized as fuel source in extreme fasting 
 
d-3-hydroxybutyrate dehydrogenase - ANS interconversion of acetoacetate and 3-hydroxybutyrate 
 
acetone - ANS yielded by spontaneous decarboxylation of acet...
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Microbiology - Portage Module 2 Metabolism |Questions with 100% Correct Answers | Updated & Verified | 2024
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What is cellular metabolism? - a controlled set of biochemical reactions that occur in living 
organisms in order to maintain life 
What is an enzyme? - a protein, or group of proteins, that catalyze (speed up) chemical reactions 
What is unique about enzymes? - the enzyme is not consumed during the reaction and can be used 
repeatedly by the cell 
What is a cofactor? - a small chemical component, usually metal ions, that assist enzymes during the 
catalysis reactions 
Do cofactors serve as regu...
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USMLE exam 2023 with 100% correct answers
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Cavernous hemangioma risk? - correct answer bleeding 
 
Tryptophan --> what two pathways? 2 mnemonics - correct answer "tripped on his nice nads" B2, B6 cofactors ---> NAD+ 
and 
"tripped on Sir-o-tony's Melons" B4, B6 cofactors ---> serotonin--- hydroxyindole transferase --->MELANIN 
 
hyperosmotic volume CONTRACTION (losing water, osm up in plasma) caused by... - correct answer SWEATING OR DI 
 
primary polydipsia results in what fluid changes? - correct answer expands b...
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