Podcast
Questions and Answers
Which level of structural organization is composed of the amino acid residues linked through peptide bonds?
Which level of structural organization is composed of the amino acid residues linked through peptide bonds?
- Tertiary Structure
- Quaternary Structure
- Primary Structure (correct)
- Secondary Structure
What test uses to detect the presence of amines, with a positive result indicating the presence of purple or yellow color?
What test uses to detect the presence of amines, with a positive result indicating the presence of purple or yellow color?
- Xanthoproteic Test
- Cole Test
- Biuret Test
- Ninhydrin Test (correct)
What results in the misfolding of the normal prion protein found abundantly in the brain, causing diseases like Creutzfeldt-Jakob Disease?
What results in the misfolding of the normal prion protein found abundantly in the brain, causing diseases like Creutzfeldt-Jakob Disease?
- Covalent bonding
- Prions (correct)
- Denaturation
- Oligomers
Which enzyme catalyzes REDOX reactions and is also called dehydrogenases or reductases?
Which enzyme catalyzes REDOX reactions and is also called dehydrogenases or reductases?
In DNA nomenclature, which type of enzyme catalyzes reactions involving the transfer of different groups from the substrate to another?
In DNA nomenclature, which type of enzyme catalyzes reactions involving the transfer of different groups from the substrate to another?
What is the optimal pH for Pepsin, an enzyme involved in protein digestion?
What is the optimal pH for Pepsin, an enzyme involved in protein digestion?
Which type of amino acid contains a sulfur atom in its side chain?
Which type of amino acid contains a sulfur atom in its side chain?
Which amino acid acts as an inhibitory neurotransmitter and is antagonized by strychnine?
Which amino acid acts as an inhibitory neurotransmitter and is antagonized by strychnine?
Which group of amino acids is classified as having non-polar R-groups?
Which group of amino acids is classified as having non-polar R-groups?
Which amino acid has an imino acid structure?
Which amino acid has an imino acid structure?
What is the main constituent of proteins?
What is the main constituent of proteins?
How many commonly occurring amino acids are there that are constituents of proteins according to the passage?
How many commonly occurring amino acids are there that are constituents of proteins according to the passage?
Which enzyme binds to the enzymes or enzyme substrate complex, leaving the active center free and may induce conformational changes that hinders the formation of enzyme substrate complex?
Which enzyme binds to the enzymes or enzyme substrate complex, leaving the active center free and may induce conformational changes that hinders the formation of enzyme substrate complex?
Which type of termination involves specific sequences called termination sites forming a hairpin loop structure that allows the RNA Polymerase to detach from the DNA template strand?
Which type of termination involves specific sequences called termination sites forming a hairpin loop structure that allows the RNA Polymerase to detach from the DNA template strand?
Which enzyme catalyzes the elongation of mRNA by about 4 more units before the sigma subunit dissociates and binds to another RNA Polymerase?
Which enzyme catalyzes the elongation of mRNA by about 4 more units before the sigma subunit dissociates and binds to another RNA Polymerase?
Which enzyme is inhibited by Amanitin, a toxin from the mushroom Amanita phalloides?
Which enzyme is inhibited by Amanitin, a toxin from the mushroom Amanita phalloides?
What is the molecular structure of isozymes, which are enzymes that may differ in amino acid sequences and physical properties but catalyze the same reaction?
What is the molecular structure of isozymes, which are enzymes that may differ in amino acid sequences and physical properties but catalyze the same reaction?
What is the characteristic cloverleaf structure present in which type of RNA?
What is the characteristic cloverleaf structure present in which type of RNA?
Which enzyme is responsible for transcribing single-stranded RNA into double-stranded DNA?
Which enzyme is responsible for transcribing single-stranded RNA into double-stranded DNA?
What is the function of rifampin in bacterial transcription?
What is the function of rifampin in bacterial transcription?
Which molecules serve as precursors for reverse transcription?
Which molecules serve as precursors for reverse transcription?
What is the role of actinomycin D in RNA transcription?
What is the role of actinomycin D in RNA transcription?
Which of the following is a characteristic of the genetic code?
Which of the following is a characteristic of the genetic code?
What type of mutations occur when the number of bases added or deleted is not a multiple of 3?
What type of mutations occur when the number of bases added or deleted is not a multiple of 3?
What color change would indicate the presence of pentoses when using concentration HCl and orcinol + ferric chloride?
What color change would indicate the presence of pentoses when using concentration HCl and orcinol + ferric chloride?
What is the result of using 6M HCl and resorcinol to differentiate between aldoses and ketoses?
What is the result of using 6M HCl and resorcinol to differentiate between aldoses and ketoses?
What serves as the primary energy currency in the body?
What serves as the primary energy currency in the body?
What process involves the breakdown of glucose to two molecules of pyruvate?
What process involves the breakdown of glucose to two molecules of pyruvate?
Which enzyme is highly regulated and associated with the irreversible step in glycolysis (Step 3)?
Which enzyme is highly regulated and associated with the irreversible step in glycolysis (Step 3)?
Which process involves the synthesis of glycogen and is stimulated by insulin?
Which process involves the synthesis of glycogen and is stimulated by insulin?
Which enzyme catalyzes the formation of UDP-glucose from glucose-6-phosphate in glycogen metabolism?
Which enzyme catalyzes the formation of UDP-glucose from glucose-6-phosphate in glycogen metabolism?
What is the effect of glucagon on glycogen metabolism?
What is the effect of glucagon on glycogen metabolism?
Which enzyme deficiency leads to the accumulation of glycogen in the liver and can cause hypoglycemia and hepatomegaly?
Which enzyme deficiency leads to the accumulation of glycogen in the liver and can cause hypoglycemia and hepatomegaly?
What is the primary use of NADPH produced in the pentose phosphate pathway?
What is the primary use of NADPH produced in the pentose phosphate pathway?
Which molecule is the final product of the oxidative phase of the pentose phosphate pathway?
Which molecule is the final product of the oxidative phase of the pentose phosphate pathway?
Which enzyme catalyzes the conversion of acetyl CoA to two molecules of CO2 in the citric acid cycle?
Which enzyme catalyzes the conversion of acetyl CoA to two molecules of CO2 in the citric acid cycle?
What is the primary function of complex IV in the electron transport chain (ETC)?
What is the primary function of complex IV in the electron transport chain (ETC)?
What is the primary role of oxidative phosphorylation in cellular metabolism?
What is the primary role of oxidative phosphorylation in cellular metabolism?
What is the key regulatory factor that determines whether glycolysis or the pentose phosphate pathway will be dominant under high demand for ribose-5-phosphate?
What is the key regulatory factor that determines whether glycolysis or the pentose phosphate pathway will be dominant under high demand for ribose-5-phosphate?
