Proteins Chemistry MCQ PDF

‫ ﺃﺳﺌﻠﺔ ﺇﺧﺘﻴﺎﺭﺍﺕ‬:‫ﻧﻮﻉ ﺍﻟﻤﻠﻒ ﻫﻮ‬ 1. What is the primary level of protein structure defined by? a) Amino acids coiled and folded to form 3-D structure b) Amino acids attached by peptide bonds in a linear sequence c) Amino acids coiled with each other to create structural cavities d) Multiple polypep...

‫ ﺃﺳﺌﻠﺔ ﺇﺧﺘﻴﺎﺭﺍﺕ‬:‫ﻧﻮﻉ ﺍﻟﻤﻠﻒ ﻫﻮ‬ 1. What is the primary level of protein structure defined by? a) Amino acids coiled and folded to form 3-D structure b) Amino acids attached by peptide bonds in a linear sequence c) Amino acids coiled with each other to create structural cavities d) Multiple polypeptide chains forming subunits Answer: (b) 2. Which protein is responsible for maintaining nearly 80% of the colloid osmotic pressure in intravascular fluid? a) Globulins b) Fibrinogen c) Albumin d) Amino acids Answer: (c) 1. What is the purpose of a 24-hour urine protein test? a) To measure glucose levels in urine b) To measure the amount of protein excreted in urine over a 24-hour period c) To check for the presence of bacteria in urine d) To assess electrolyte concentrations in urine Answer: (b) To measure the amount of protein excreted in urine over a 24-hour period 2. How is Bence Jones protein detected in urine in the context of multiple myeloma? a) By adding iodine to the urine sample b) By performing a heating test c) By analyzing the color of the urine d) By using a magnetic resonance imaging (MRI) scan Answer: (b) By performing a heating test 1. What is the technique used to separate various groups of proteins from each other based on different characteristics? a) Fractionation b) Electrophoresis c) Gelfilteration d) Salt fractionation Answer: (a) Fractionation Telegram Bot: @PDF_Ai_lbot  ‫ ﺃﺳﺌﻠﺔ ﺇﺧﺘﻴﺎﺭﺍﺕ‬:‫ﻧﻮﻉ ﺍﻟﻤﻠﻒ ﻫﻮ‬ 2. What is the main tool used to separate proteins based on the size of their molecules? a) Gelfilteration b) Salt fractionation c) Electrophoresis d) Immunochromatography Answer: (c) Electrophoresis 1. What is a known cause of hyperalbuminemia according to the provided text? a) Malabsorption b) Liver cirrhosis c) Dehydration d) Chronic inflammation Answer: (c) Dehydration 2. Which method is the most widely used for determining albumin levels in the serum? a) Kjeldahl method b) Refractometry c) Dye-binding procedure d) Biuret method Answer: (c) Dye-binding procedure 1. In protein chemistry, amino acids are: a) Arranged in a circular chain b) Linked together with peptide bonds c) Found in over 300 forms d) Primarily sourced from carbohydrates Answer: (b) 2. Which of the following is NOT an importance of proteins? a) Play an important role in immunological function of the body b) Act as buffers of pH c) Transfer insoluble material like steroids and vitamins d) Synthesized primarily in the kidneys Answer: (d) Telegram Bot: @PDF_Ai_lbot