Podcast
Questions and Answers
What is the main focus of biochemistry?
What is the main focus of biochemistry?
- The chemical basis of life and the molecules in living cells (correct)
- The experimental identification and description of enzymes as catalysts
- The study of atomic and molecular systems in living organisms
- The investigation of natural phenomena in the context of living organisms
Which best describes a scientific law?
Which best describes a scientific law?
- An explanation of the general principles of certain phenomena with experimental evidence
- A statement of natural phenomena to which no exceptions are known under given conditions (correct)
- A trial explanation of certain facts that provides a basis for further experimentation
- A well-established hypothesis with considerable evidence to support it
What distinguishes a theory from a hypothesis?
What distinguishes a theory from a hypothesis?
- The specificity of the explanation it provides
- The level of detail in the description it offers
- The number of trials conducted to test it
- The amount of experimental evidence supporting it (correct)
What is the role of enzymes in living organisms?
What is the role of enzymes in living organisms?
Which field does biochemistry contribute to?
Which field does biochemistry contribute to?
Which type of macromolecule is assembled from nucleotides?
Which type of macromolecule is assembled from nucleotides?
What type of reaction removes a molecule of water from two monomers as they are connected together to form polymers?
What type of reaction removes a molecule of water from two monomers as they are connected together to form polymers?
What is the chemical composition of protein in a normal man weighing 65 kg?
What is the chemical composition of protein in a normal man weighing 65 kg?
Which type of molecule do all cells use for cell walls (if present) and energy generation?
Which type of molecule do all cells use for cell walls (if present) and energy generation?
What creates a permanent dipole in a molecule, which can determine the relative solubility of molecules?
What creates a permanent dipole in a molecule, which can determine the relative solubility of molecules?