Podcast
Questions and Answers
Which of the following is NOT a function of the cell membrane?
Which of the following is NOT a function of the cell membrane?
- Separating activities of the cell into different areas (correct)
- Receiving and responding to extracellular signals
- Regulating what enters and leaves the cell
- Defining the boundary of a cell
What is the principal function of the 'lipid bilayer' in the biological membrane?
What is the principal function of the 'lipid bilayer' in the biological membrane?
- To mediate direct interactions with other cells
- To control the movement of molecules
- To form a permeability barrier (correct)
- To confine particular molecules to particular places
Which of the following is NOT a membrane-bound organelle?
Which of the following is NOT a membrane-bound organelle?
- Nucleus
- Golgi apparatus
- Mitochondrion
- Lysosome (correct)
Which type of inhibition does not change the affinity of the enzyme for the substrate?
Which type of inhibition does not change the affinity of the enzyme for the substrate?
Which type of inhibition reduces the maximum velocity (Vmax) of the enzyme reaction?
Which type of inhibition reduces the maximum velocity (Vmax) of the enzyme reaction?
Which type of inhibition follows Michaelis-Menten kinetics?
Which type of inhibition follows Michaelis-Menten kinetics?
Which of the following is NOT a characteristic of the phospholipid bilayer?
Which of the following is NOT a characteristic of the phospholipid bilayer?
Which of the following is the most hydrophobic component of the membrane?
Which of the following is the most hydrophobic component of the membrane?
Which type of membrane protein spans the entire membrane?
Which type of membrane protein spans the entire membrane?
What is the function of peripheral membrane proteins?
What is the function of peripheral membrane proteins?
Which of the following is NOT a requirement for transport across the membrane?
Which of the following is NOT a requirement for transport across the membrane?
Which of the following is an example of primary active transport?
Which of the following is an example of primary active transport?
What is the Michaelis constant (Km) in enzyme kinetics?
What is the Michaelis constant (Km) in enzyme kinetics?
What type of inhibition occurs when an inhibitor binds to the same site as the substrate and competes for access?
What type of inhibition occurs when an inhibitor binds to the same site as the substrate and competes for access?
Which of the following routes of administration is best for larger volumes and when faster absorption is desired?
Which of the following routes of administration is best for larger volumes and when faster absorption is desired?
Which of the following factors can affect the rate of drug absorption from the gut?
Which of the following factors can affect the rate of drug absorption from the gut?
Which of the following routes of administration avoids first-pass metabolism?
Which of the following routes of administration avoids first-pass metabolism?
Which of the following is NOT a characteristic of oral administration?
Which of the following is NOT a characteristic of oral administration?
Which of the following is NOT one of the four key processes involved in pharmacokinetics?
Which of the following is NOT one of the four key processes involved in pharmacokinetics?
What is the term used to define the transfer of a drug from the site of administration to the general circulation?
What is the term used to define the transfer of a drug from the site of administration to the general circulation?
Which of the following is NOT a route of drug administration?
Which of the following is NOT a route of drug administration?
What is the term used to describe the irreversible loss of unchanged drug from the body?
What is the term used to describe the irreversible loss of unchanged drug from the body?
Which route of administration is most suitable for lipid-soluble drugs and expensive bronchodilators?
Which route of administration is most suitable for lipid-soluble drugs and expensive bronchodilators?
Which of the following is NOT an advantage of various routes of administration?
Which of the following is NOT an advantage of various routes of administration?
What determines the route of administration?
What determines the route of administration?
What is bioavailability?
What is bioavailability?
Which of the following is NOT a major step of information processing in biology from storage in the form of DNA through to generation of pure protein?
Which of the following is NOT a major step of information processing in biology from storage in the form of DNA through to generation of pure protein?
Which of the following is NOT a type of bond that holds DNA together?
Which of the following is NOT a type of bond that holds DNA together?
Which of the following is NOT a fundamental element of chromosomes in the human genome?
Which of the following is NOT a fundamental element of chromosomes in the human genome?
Which of the following modifications promotes relaxation of chromatin structure?
Which of the following modifications promotes relaxation of chromatin structure?
Which of the following regions of DNA is always in the heterochromatin form?
Which of the following regions of DNA is always in the heterochromatin form?
What is the role of Histone Deacetylases (HDACs) in gene expression?
What is the role of Histone Deacetylases (HDACs) in gene expression?
Which of the following statements about DNA is correct?
Which of the following statements about DNA is correct?
Which of the following is NOT a force holding DNA together?
Which of the following is NOT a force holding DNA together?
Which of the following is the most basic repeating structural unit of chromatin?
Which of the following is the most basic repeating structural unit of chromatin?
Which of the following is NOT a type of chromatin?
Which of the following is NOT a type of chromatin?