Metabolism Quiz
Preview:
Catabolic reactions energy to form or transform chemical bonds.
A. TRUE
B. FALSE
The First Law of Thermodynamics states that energy can be –
A. Created
B. Destoryed
C. Converted
D. Lost
A reaction with a positive /\G is –
A. Exergonic
B. Entropic
C. Endergonic
D. Enthalpic
E. Energertic
When muscles contract, chemical energy is converted to mechanical energy with the loss of heat. This conversion of energy is an example of the ____ Law of Thermodynamics.
A. First
B. Second
C. Third
D. Fourth
Which of the following is defined as the amount of heat required to raise one gram of water one degree Celsius?
A. Tesla
B. Joule
C. Newton
D. Calorie
E. Dalton
Sam’s heart pumps blood to her ___________________ which is the body system that transports molecules to and from all cells of the body.
A. Circulatory System
B. Metabolism
C. Respiratory System
D. Nervous System
A ball sitting atop a hill begins to roll down after getting a slight tap. This is analogous to an endergonic reaction.
A. TRUE
B. FALSE
The ________________ is the body’s use of molecules for energy and growth.
A. Cellular Respiration
B. Digestive System
C. Metabolism
D. Circulatory System
The breaking down of food in the human digestive system is both chemical and….
A. Geothermal
B. Mechanical
C. Electrical
D. Potential
The energy required for organisms to respond to the environment comes from…
A. Vitamins
B. Minerals
C. Water
D. Food
Small organic molecules that assist in enzymatic functions are –
A. Coprolites
B. Cofactors
C. Activators
D. Coenzymes
E. Intermediates
A catalyst speeds up chemical reactions. How do catalysts do this?
A. Decreasing entropy
B. Altering /\G
C. Consuming reactants
D. Lowering activation energy
E. Making different products
A muscle contraction is ___, but as the muscle contracts heat is released which is ____.
A. Exergonic, endergonic
B. Exergonic, exergonic
C. Endergonic, endergonic
D. Endergonic, exergonic
The energy in a system that is able to do work is called
A. Enthalpy
B. Entropy
C. Free energy
D. Kinetic energy
E. Potential energy
Oxidation is the _____ and reduction is the _____
A. loss of electrons, gain of electrons
B. gain of protons, loss of protons
C. loss of protons, gain of protons
D. loss of electrons, gain of protons
