Exam II Flashcards
Briefly define metabolism
Metabolism is the sum of all chemical reactions within an organism.
Briefly define metabolic pathway
A metabolic pathway is a sequence of enzymatically catalyzed chemical reactions that occur in a cell. The metabolism of a cell is composed of many metabolic pathways.
What is the sum of all chemical reactions within an organism called?
Metabolism
What is a sequence of enzymatically catalyzed chemical reactions that occur in a cell?
Metabolic pathways
The metabolism of a cell is composed of many different what?
Metabolic pathways
What are enzymatically catalyzed chemical reactions of a cell called?
Metabolic pathways
What is anabolism?
Anabolism consists of enzyme-regulated chemical reactions that require the input of energy. Anabolism generally results in smaller of simpler organic molecules being built into larger or more complex molecules.
What consists of enzyme-regulated chemical reactions that require the input of energy?
Anabolism
What type of metabolism generally results in smaller of simpler organic molecules being built into larger or more complex molecules?
Anabolism
Anabolism generally results in:
1) smaller or
2) larger organic molecules
being built into larger or more complex molecules?
Smaller
Anabolism results in which one:
1) larger or more complex molecules or
2) smaller or simpler molecules
Larger
Briefly define catabolism.
Catabolism consists of enzyme-regulated chemical reactions that release energy. Catabolism generally results in larger, more complex molecules being converted or broken down into smaller or simpler molecules.
What type of metabolism consists of enzyme-regulated chemical reactions that release energy?
Catabolism
What type of metabolism generally results in larger, more complex molecules being converted or broken down into smaller or simpler molecules?
Catabolism
Does catabolism begin with larger or smaller molecules that are being converted as compared to anabolism?
Larger
Catabolism results in the creation of smaller or larger molecules than anabolism?
Smaller
Catabolism results in which one:
1) larger or more complex molecules or
2) smaller or simpler molecules
Smaller or simpler molecules
What is an enzyme?
Enzymes are proteins that are capable of catalyzing chemical reactions.
An enzyme has a specific pocket or surface that allows it to bind to a surface. What is this specific pocket called?
The active site
What is the quality that allows an enzyme’s active site to specifically bind to specific substrate?
Same shape
What is the name of the substance that binds to the active site on an enzyme?
Substrate
What is a substrate?
The substance that is able to bind to an enzyme.
What must bind to the enzyme to form a complex before the enzyme will be able to catalyze the reaction?
The substrate
What does the binding of the enzyme and substrate called?
Enzyme-substrate complex








































































