A 32-year-old bodybuilder has decided to go on a diet consisting of egg whites to ensure only proteins for muscle growth. After a few weeks, he experiences decreased energy and is found to be hypoglycemic. A nutritionist tells the patient that he most likely has a deficiency of vitamin Biotin. Which of the following enzymes […]
Hypoglycemia Due To Biotin deficiency Read More »
A 22-year-old man collapsed from dehydration during maneuvers in the desert and was sent to an emergency. A high level of glucose was observed in his urine. He was suspected of being a diabetic. Further tests, however, determined that his serum insulin level was normal. A glucose tolerance test exhibited a normal pattern; further testing
Clinical significance of SGLT-2 Read More »
1. The following are all characteristics of the genetic code except: Universal Degenerate Non-overlapping Ambiguous 2. Which of the following statements is not true concerning the role of Aminoacyl t-RNA synthetases: Charging an aminoacyl t-RNA synthetase (loading) with an amino acid is an energetically favorable reaction. For every amino acid, there are several Aminoacyl t-RNA
Translation- Multiple-choice questions Read More »
31- A 47- year-old woman passes out at work and is brought to an emergency room. Her blood sugar is 34 mg/dl (normal >60 mg/dl). She is also tested for C-peptide, which is much higher than normal. What is the possible cause of this woman’s state? a) Anorexia b) High protein diet c) Exogenous administration
Problem Based Multiple Choice Questions (Set-3)- Solved with complete discussion Read More »
1) Which of the following foodstuffs has a shortage of Lysine? a) Cereals b) Pulses c) Milk d) Fish 2) What is the normal RDA for protein in a normal adult? a) 1G/Kg body weight b) 10 G/Kg body weight c) 100G/Kg body weight d) 50 G/Kg body weight 3) Which of the following nutrients
Diet and Nutrition-Multiple-choice questions-set-2 Read More »
1.- Respiratory quotient (R.Q.) falls in all the following conditions except- a) Acidosis b) Febrile conditions c)Diabetes mellitus d) Starvation. 2- Choose the incorrect statement about BMR out of the following a) BMR is directly related to the surface area b) BMR is inversely proportional to the age c) BMR is increased in
Diet and Nutrition -Multiple-choice questions-set-1 Read More »
Q.1- A dietary deficiency of iodine would do which of the following? a) Directly affect the synthesis of Thyroglobulin b) Result in increased secretion of Thyroid stimulating hormone (TSH) c) Result in decreased production of Thyrotropin-releasing hormone d) Result in increased basal metabolic rate e) Raise the blood pressure and heart rate Q.2- Which of
Hormones-Multiple-choice questions Read More »
1) A 4-month-old boy is being evaluated for seizures, psychomotor retardation, and hypotonia. Workup reveals elevated serum levels of lactate, alanine, pyruvate, and keto acids. Based on the clinical presentation, pyruvate carboxylase activity is measured using fibroblasts from a skin biopsy and is found to be markedly decreased. This enzyme is normally used to directly
Gluconeogenesis- Multiple-choice questions Read More »
1). A patient has chronic obstructive pulmonary disease, and enough oxygen is not reaching her tissues. All of the following are expected except- a) The electron transport chain would be inhibited b) Glycolysis would be activated by a low ATP/ADP ratio c) More than normal amounts of ATP would be synthesized. d) Concentrations of NADH and
Glycolysis- Multiple-choice questions (set-1) Read More »
Q.1- A critical enzyme used directly in the synthesis of dTMP (thymidine) is a) Carbamoyl phosphate b) Aspartate Transcarbamylase c) Dihydrooratase d) Thymidylate synthase Q.2- In which phase of the cell cycle does DNA replication occur? a) G0 b) G1 c) S d) G2 Q.3-A 10-month-old baby boy presents with steatorrhea, recurrent pulmonary infections, GI
Molecular Biology- Multiple-choice questions (set-1) Read More »
