Biology 105 Test 2 with 100%
correct answers (graded A+)
Energy - answer Capacity to cause change, or to move matter in a direction
it would not move if left alone.
Kinetic Energy - answer Is known as the energy of motion. Moving matter
performs work by transferring its motion to other matter, such as leg
muscles pushing bicycle pedals.
Potential Energy - answer Stored energy; the energy that an object has due
to its location and /or arrangement. Water behind a dam and chemical bonds
both possess potential energy.
Entropy - answer Is the measure of the amount of disorder, or randomness,
in the system. Every time energy is converted from one form to another
________ increases
Calorie - answer Are tiny units of energy. It is the amount of energy that can
raise the temperature of 1 g of water by 1°C
ATP - answer Consist of an organic molecule called adenosine plus a tale of
three phosphate groups. (Adenosine triphosphate). Main energy source for
cells. Can be broken down to ADP
Metabolism - answer Is the total amount of all chemical reactions in an
organism
Enzymes - answer A protein that serves as a biological catalyst, changing the
rate of a chemical reaction without itself being changed in the process.
, Activation energy - answer The Amount of energy that reactants must absorb
before a chemical reaction will start. It activates the reactants and triggers
the chemical reaction
Substrate - answer Another name for the ability of an enzyme to recognize a
certain reactant molecule. A specific substance (reactant) on which an
enzyme acts. Each enzyme recognizes only the specific substrate of the
reaction it catalyses. Surface of which an organisms lives.
Activation site - answer A region of an enzyme that has a shape and
chemistry that fits the substrate molecule
Active Site - answer The part of an enzyme molecule where a substrate
molecule attaches ( by means of weak chemical bonds ); typically, a pocket
or groove on the enzyme's surface.
Autotrophs - answer An organism that makes its own food from inorganic
ingredients, thereby sustaining itself without eating other organisms or their
molecules.
Heterotrophs - answer An organism that cannot make its own organic food
molecules from inorganic ingredients and must obtain them by consuming
other organisms or their organic products; a consumer or a decomposer in a
food chain.
Aerobic processes - answer A process containing or requiring oxygen.
NADH - answer An electron carrier (a molecule that carries electrons)
involved in cellular respiration and photosynthesis. Carries electrons from
glucose and other fuel molecules and deposits them at the top of an electron
transport chain. Generated during glycolysis and the centric acid cycle.
correct answers (graded A+)
Energy - answer Capacity to cause change, or to move matter in a direction
it would not move if left alone.
Kinetic Energy - answer Is known as the energy of motion. Moving matter
performs work by transferring its motion to other matter, such as leg
muscles pushing bicycle pedals.
Potential Energy - answer Stored energy; the energy that an object has due
to its location and /or arrangement. Water behind a dam and chemical bonds
both possess potential energy.
Entropy - answer Is the measure of the amount of disorder, or randomness,
in the system. Every time energy is converted from one form to another
________ increases
Calorie - answer Are tiny units of energy. It is the amount of energy that can
raise the temperature of 1 g of water by 1°C
ATP - answer Consist of an organic molecule called adenosine plus a tale of
three phosphate groups. (Adenosine triphosphate). Main energy source for
cells. Can be broken down to ADP
Metabolism - answer Is the total amount of all chemical reactions in an
organism
Enzymes - answer A protein that serves as a biological catalyst, changing the
rate of a chemical reaction without itself being changed in the process.
, Activation energy - answer The Amount of energy that reactants must absorb
before a chemical reaction will start. It activates the reactants and triggers
the chemical reaction
Substrate - answer Another name for the ability of an enzyme to recognize a
certain reactant molecule. A specific substance (reactant) on which an
enzyme acts. Each enzyme recognizes only the specific substrate of the
reaction it catalyses. Surface of which an organisms lives.
Activation site - answer A region of an enzyme that has a shape and
chemistry that fits the substrate molecule
Active Site - answer The part of an enzyme molecule where a substrate
molecule attaches ( by means of weak chemical bonds ); typically, a pocket
or groove on the enzyme's surface.
Autotrophs - answer An organism that makes its own food from inorganic
ingredients, thereby sustaining itself without eating other organisms or their
molecules.
Heterotrophs - answer An organism that cannot make its own organic food
molecules from inorganic ingredients and must obtain them by consuming
other organisms or their organic products; a consumer or a decomposer in a
food chain.
Aerobic processes - answer A process containing or requiring oxygen.
NADH - answer An electron carrier (a molecule that carries electrons)
involved in cellular respiration and photosynthesis. Carries electrons from
glucose and other fuel molecules and deposits them at the top of an electron
transport chain. Generated during glycolysis and the centric acid cycle.
