Alkaptonuria - Study guides, Class notes & Summaries

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...

Which of the following aminoacidopathies is NOT caused by an enzyme deficiency? Choose one answer. a. phenylketonuria b. alkaptonuria c. maple syrup disease d. cystinuria - d. cystinuria What method is most commonly used to measure total protein? Choose one answer. a. dye binding b. Kjeldahl c. Biuret

Which of the four elements in proteins differentiated this class of substances from carbohydrates and lipids? - Nitrogen Which of the proteins is soluble in water? - Albumin How are amino acids joined together to form a chainlike structure? - Peptide bonding Proteins may become denatured when subjected to mechanical agitation, heat, or chemical treatment. What does denaturation of proteins refer to? - Alteration of tertiary structure Which aminoacidopathy is NOT caused by an enzyme deficie...

In the duodenum, enteropeptidase ________________. correct answers cleaves trypsinogen to form trypsin Which of the three proteins in the ubiquination pathway is the most responsible for recognizing the ubiquinated target protein? correct answers E3 What is the regulatory mechanism by which arginine stimulates flux through the urea cycle? correct answers Arginine stimulates the production of the allosteric activator N-acetylglutamate A person who has alkaptonuria is easily diagnosed fro...

Alkaptonuria Correct Answer Absence of homogentisate oxidase - arthritis - discolored sclerae and other areas (ear cartilage) - Dark urine - spinal disc degeneration and dense calcifications possible What is the cause of "bitter almond" breath? Correct Answer Cyanide poisoning What does cyanide inhibit? Correct Answer Cytocrhome oxidase in the ETC What is the treatment for cyanide poisoning? Correct Answer Amyl nitrate (oxidizes hemoglobin to methemoglobin, which strongly binds ...

Diagnosis - genetic disorder with absent/malfunctioning LDL receptors leading to elevations in both total cholesterol and LDL cholesterol leading to atheromas and xanthomas - Answer Familial hypercholesterolemia Tumor - cells produce non-membrane-bound cytoplasmic lipid - Answer Liposarcoma Term - unequal size of pupils - Answer Anisorcoria Compressed in a Pancoast tumor causing Horner syndrome - Answer Sympathetic trunk (superior cervical ganglia) Mechanism - lithium induced...

MT AAB Chemistry Exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS Which of the four elements in proteins differentiated this class of substances from carbohydrates and lipids? - Answer -Nitrogen Which of the proteins is soluble in water? - Answer -Albumin How are amino acids joined together to form a chainlike structure? - Answer -Peptide bonding Proteins may become denatured when subjected to mechanical agitation, heat, or chemical treatment. What does denatu...

AAB MT Chemistry- Practice questions and answers correctly solved 2023/2024 Which of the following aminoacidopathies is NOT caused by an enzyme deficiency? Choose one answer. a. phenylketonuria b. alkaptonuria c. maple syrup disease d. cystinuria - correct answer d. cystinuria What method is most commonly used to measure total protein? Choose one answer. a. dye binding b. Kjeldahl c. Biuret d. refractometry - correct answer c. Biuret Which of the following is the...

USLME Step 1 Cases – Biochemistry Exam Questions With Accurate Answers. Alkaptonuria --------------- tyrosine - answer____ is characterized by the absence of *homogentisate oxidase*, and enzyme in the ____ degradation pathway that catalyzes the conversion of homogentisate to maleylacetoacetate. arthritis --------- sclerae - answerIn alkaptonuria, the accumulation of homogentisate in cartilage leads to ____ and causes discoloration of ____ and other body tissues. Homogentisate is a ...

Biochemistry SHELF Revised Questions and Correct Answers Graded A++ branched amino acids Val, leu, ile essential amino acids PVT TIM HALL -OH amino acids Tyr, Ser, Thr Maple syrup urine disease: deficiency of Alpha-keto acid dehydrogenase Lesch-Nyhan syndrome Deficiency in hypoxanthine-guanine phosphoribosyl transferase. Defect in purine salvage reactions. Orange sand urine, self-mutilation and mental retardation. PKU Phe hydroxylase deficiency. Need cofactor BH4; mental retardatio...