What are the two hydroxyl amino acids? – Serine (Ser/S) and threonine (Thr/T) are the two hydroxyl amino acids. How do serine and threonine differ structurally? – Serine has a hydroxyl group (―OH) attached to its beta carbon, while threonine has a hydroxyl group attached to its beta carbon and a methyl […]
100 Questions and Answers on Amino Acid Metabolism II Read More »
What are the main steps in the digestion and absorption of dietary proteins? – Proteins are broken down into amino acids and small peptides by digestive enzymes in the stomach and small intestine. – Amino acids and small peptides are absorbed through the intestinal epithelium into the bloodstream. – The absorbed amino acids are
100 Questions and Answers on Amino Acid Metabolism Read More »
What is the primary location of β-oxidation in the cell? The primary location of β-oxidation is the mitochondria. What is the first step in fatty acid oxidation? The first step in fatty acid oxidation is the activation of fatty acids to form fatty acyl-CoA, which requires ATP. How are long-chain fatty
110 Essential Questions and Answers on Fatty Acid Metabolism Read More »
What is glycolysis? Glycolysis is the metabolic pathway that breaks down glucose into two molecules of pyruvate, generating energy in the form of ATP and NADH. It consists of ten enzyme-mediated steps and occurs in the cytoplasm. What are the two phases of glycolysis? Glycolysis is divided into two phases: the phosphorylation
Which of the following is the general structure of an amino acid? A) R-CH(NH2)-COOH B) R-CH(NH2)-CH3 C) R-CH(COOH)-COOH D) R-CH(NH2)-OH Answer: A) R-CH(NH2)-COOH How many amino acids are commonly found in proteins? A) 10 B) 15 C) 20 D) 25 Answer: C) 20 Which amino acid has the simplest side chain
56 Essential Questions and Answers on Amino Acids Read More »
What are the main components of the cell membrane? – Phospholipids, proteins, and cholesterol What is the arrangement of phospholipids in the cell membrane? – They form a bilayer with the hydrophilic heads facing outwards and the hydrophobic tails facing inwards What is the role of cholesterol in the cell membrane?
Cell Biology Viva Questions and Answers II Read More »
Q: What are enzymes, and what is their role in biochemistry? A: Enzymes are biological catalysts, typically proteins that accelerate chemical reactions in living organisms. They lower the activation energy required for reactions, increasing the rate of biochemical processes. Q: How do enzymes catalyze reactions? A: Enzymes work by binding to specific substrates,
Enzymology Questions and Answers +Calculations Read More »
BIOCHEMISTRY VIVA QUESTIONS: 100 Q&A IN LIPIDS. What are lipids? Lipids are a group of biomolecules that include fats, oils, waxes, phospholipids, and steroids. They are characterized by their insolubility in water but solubility in organic solvents. What are the primary functions of lipids in the body? Lipids serve several important functions, including
Biochemistry Viva Questions: 100 Q&A in Lipid Biochemistry. Read More »
BIOCHEMISTRY VIVA QUESTIONS: 100 Q&A IN CARBOHYDRATES What are carbohydrates? Carbohydrates are organic compounds made up of carbon, hydrogen, and oxygen atoms, and they are an essential source of energy for living organisms. What are the three main types of carbohydrates? The three main types of carbohydrates are monosaccharides, disaccharides, and polysaccharides. What
Biochemistry Viva Questions: 100 Q&A in Carbohydrates Read More »
100 QUESTIONS AND ANSWERS IN NUCLEIC ACID. The following questions and answers will help students understand the concept of nucleic acids since they have been drawn comprehensively and randomly across the topic: What are nucleic acids? Nucleic acids are biomolecules that store and transfer genetic information in living organisms. What are the two
Biochemistry Viva Questions: 100 Q & A in Nucleic Acid You Must Know. Read More »
