Exam Questions and CORRECT Answers
What is metabolism? - CORRECT ANSWER - -The sum of all chemical reactions
occurring in cell/organisms
Does Metabolism release energy? - CORRECT ANSWER - Some release energy
Does metabolism require energy? - CORRECT ANSWER - Some require energy
Define Energy - CORRECT ANSWER - the ability to do work
What is potential energy? - CORRECT ANSWER - Energy that is stored, due to the
integrations between objects
What is Kinetic Energy? - CORRECT ANSWER - Energy in motion.
What are the forms of Potential energy? - CORRECT ANSWER - -Gravitational PE
-Elastic PE
-Chemical PE
What type of energy does all moving objects have? - CORRECT ANSWER - Kinetic
How is Potential energy converted into kinetic Energy? - CORRECT ANSWER - When
stored energy begins to move. The energy is transferred from PE to KE
What are the types of Kinetic Energy - CORRECT ANSWER - -Running
-Wood Burning
, -Rock Falling
What is a chemical reaction and an example? - CORRECT ANSWER - Multiple Reactants
combined to make a product
Ex: A+B=C
What is a chemical gradient and what is an example? - CORRECT ANSWER -a
difference in the concentration of a specific molecule across a given space
Ex: 2^6 AT
True or False: Chemical bonds and Atoms have energy - CORRECT ANSWER - True
What is the correlation between molecule size, energy and stability? - CORRECT
ANSWER - Large molecules: energy increase and is unstable
Small molecules:
Energy decrease and is stable
What causes atoms to move? - CORRECT ANSWER - Energy
Do Chemical Bons hold energy is so what type? - CORRECT ANSWER - Yes they hold
energy, Potential energy
How does size of molecule effect the type and amount of energy? - CORRECT
ANSWER - Small: high KE low PE
Large: Low KE high PE