Podcast
Questions and Answers
What is the measure of randomness in a system?
What is the measure of randomness in a system?
Entropy
What category of reactions requires an input of energy to proceed and builds complex molecules from simpler components?
What category of reactions requires an input of energy to proceed and builds complex molecules from simpler components?
Endergonic reactions
Define catabolism.
Define catabolism.
The process of breaking down materials within the body
What are the two processes involved in metabolism?
What are the two processes involved in metabolism?
How do age and gender affect the speed of metabolism within the body?
How do age and gender affect the speed of metabolism within the body?
What are the factors that can increase or decrease the speed of metabolism in the body?
What are the factors that can increase or decrease the speed of metabolism in the body?
What is the source of energy that allows organisms to maintain their organization and stay alive?
What is the source of energy that allows organisms to maintain their organization and stay alive?
What type of energy transformation results in heat, which contributes to increasing disorder in the universe?
What type of energy transformation results in heat, which contributes to increasing disorder in the universe?
What is the energy source that powers the process of photosynthesis?
What is the energy source that powers the process of photosynthesis?
Define exergonic reaction.
Define exergonic reaction.
What is the key process involved in cellular respiration?
What is the key process involved in cellular respiration?
What do oxidation-reduction reactions form in organisms?
What do oxidation-reduction reactions form in organisms?
Explain oxidation in the context of Redox reactions.
Explain oxidation in the context of Redox reactions.
What occurs during reduction in Redox reactions?
What occurs during reduction in Redox reactions?
Why do oxidation and reduction reactions occur simultaneously?
Why do oxidation and reduction reactions occur simultaneously?
Explain the relationship between oxidation and reduction reactions.
Explain the relationship between oxidation and reduction reactions.
What is the definition of energy according to physicists?
What is the definition of energy according to physicists?
What are the two forms of energy that make up the total amount of energy in any object?
What are the two forms of energy that make up the total amount of energy in any object?
What is Potential Energy?
What is Potential Energy?
What is Kinetic Energy?
What is Kinetic Energy?
What are Calories used to measure?
What are Calories used to measure?
How much energy does one calorie (cal) represent?
How much energy does one calorie (cal) represent?
What is the most common unit for measuring the energy content of food?
What is the most common unit for measuring the energy content of food?
What do plants transform in photosynthesis into potential energy stored in the chemical bonds of sugars?
What do plants transform in photosynthesis into potential energy stored in the chemical bonds of sugars?
What is the function of ATP in organisms?
What is the function of ATP in organisms?
Why do organisms not stockpile large amounts of ATP?
Why do organisms not stockpile large amounts of ATP?
What is the purpose of enzymes in biochemical reactions?
What is the purpose of enzymes in biochemical reactions?
What is the role of the Active Site in enzymes?
What is the role of the Active Site in enzymes?
How do enzymes speed up reactions?
How do enzymes speed up reactions?
Which organelles are specialized sacs of enzymes?
Which organelles are specialized sacs of enzymes?
What is the key to the specificity of enzymes?
What is the key to the specificity of enzymes?
What do cells do when ATP supplies run low?
What do cells do when ATP supplies run low?
What is the lock-and-key model used to describe in enzyme-substrate interactions?
What is the lock-and-key model used to describe in enzyme-substrate interactions?
What happens to the active site of an enzyme after it releases the products?
What happens to the active site of an enzyme after it releases the products?
Describe the enzyme-substrate complex (ES).
Describe the enzyme-substrate complex (ES).
What conditions can affect enzyme activity?
What conditions can affect enzyme activity?
What is the optimal pH range for most enzymes?
What is the optimal pH range for most enzymes?
Give an example of an enzyme with an optimal pH in the stomach.
Give an example of an enzyme with an optimal pH in the stomach.
What can happen to enzymes at very high temperatures?
What can happen to enzymes at very high temperatures?
What are Cofactors in enzyme function?
What are Cofactors in enzyme function?
