UPDATED Exam Questions and CORRECT
Answers
The ability to do work is a definition for __________________ - CORRECT ANSWER -
energy
________________ are usually composed of proteins, that act as catalysts that accelerate
chemical reactions without adding heat and without becoming part of the product. - CORRECT
ANSWER - enzymes
The _______________ law of thermodynamic states that energy cannot be created nor
destroyed, but it can be changed from one form to another. - CORRECT ANSWER - first
TRUE OR FALSE
As simpler molecules are joined to form more complex molecules energy is stored; and as
complex molecules are changed to simpler molecules, energy is released. - CORRECT
ANSWER - True
TRUE OR FALSE
Potential energy refers to the energy in motion. - CORRECT ANSWER - False
______________ is nothing more than random motion of atoms and molecules. - CORRECT
ANSWER - heat
______________ is a measure of disorder and randomness in a system. - CORRECT
ANSWER - entropy
TRUE OR FALSE
, A spontaneous occurring reaction that is energy releasing is known as an exergonic reaction. -
CORRECT ANSWER - True
Energy requiring reactions are referred to as - CORRECT ANSWER - endergonic
______________ energy carrying molecules that can transfer energy from one molecule to
another. - CORRECT ANSWER - ATP
Molecule know as the universal fuel, since most organisms utilize it as an energy source. -
CORRECT ANSWER - glucose
TRUE OR FALSE
The minimum energy needed to reach the intermediate state is called activation energy. -
CORRECT ANSWER - True
TRUE OR FALSE
The second law of thermodynamics states that energy transformation is usually 100% effective. -
CORRECT ANSWER - False
TRUE OR FALSE
Coenzymes are electron carrying molecules. - CORRECT ANSWER - True
What precursors are necessary for the production of coenzymes? - CORRECT ANSWER -
vitamins
what precursors are necessary for the production of cofactors? - CORRECT ANSWER -
minerals
Factors that influences metabolic rate? - CORRECT ANSWER - growth rate, lactation,
pregnancy