BIO 189 Midterm Exam – Questions With A+
Solutions
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Practice questions for this set
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Basic unit of matter
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1 Energy 2 Coenzyme
3 Chemical bond 4 Atom
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Terms in this set (149)
,Energy The capacity to do work
Reactant A chemical substance that is present at the start of
a chemical reaction; is written before the arrow
Product A substance produced in a chemical reaction; is
written after the arrow
Cellular respiration Metabolic pathway where the bonds in
macromolecules (ex: glucose) are broken in order
to create ATP.
Chemical bond The attractive force that holds atoms or ions
together to form a molecule
,Macromolecules A very large organic molecule composed of many
smaller molecules
Nutrients A substance that an organism must acquire from
the environment to support growth and survival.
Activation energy Energy needed to get a reaction started
Enzyme A type of protein that speeds up a chemical
reactions by decreasing the activation energy
required to start the reaction
Substrate Specific molecule that can bind to the enzyme's
active site and be converted to a product. A
reactant in an enzyme-mediated reaction.
, Active site Part of an enzyme to which the substrate binds
Cofactor A nonprotein molecule or ion that is required for
the proper functioning of an enzyme
Ex: Mg2+ ions
Coenzyme An organic cofactor that is required for the proper
functioning of an enzyme
Ex: NAD+
Phospholipid bilayer A double layer of phospholipids that makes up
plasma and organelle membranes
Solutions
Save
Practice questions for this set
Learn 1 /7 Study with Learn
Basic unit of matter
Choose an answer
1 Energy 2 Coenzyme
3 Chemical bond 4 Atom
Don't know?
Terms in this set (149)
,Energy The capacity to do work
Reactant A chemical substance that is present at the start of
a chemical reaction; is written before the arrow
Product A substance produced in a chemical reaction; is
written after the arrow
Cellular respiration Metabolic pathway where the bonds in
macromolecules (ex: glucose) are broken in order
to create ATP.
Chemical bond The attractive force that holds atoms or ions
together to form a molecule
,Macromolecules A very large organic molecule composed of many
smaller molecules
Nutrients A substance that an organism must acquire from
the environment to support growth and survival.
Activation energy Energy needed to get a reaction started
Enzyme A type of protein that speeds up a chemical
reactions by decreasing the activation energy
required to start the reaction
Substrate Specific molecule that can bind to the enzyme's
active site and be converted to a product. A
reactant in an enzyme-mediated reaction.
, Active site Part of an enzyme to which the substrate binds
Cofactor A nonprotein molecule or ion that is required for
the proper functioning of an enzyme
Ex: Mg2+ ions
Coenzyme An organic cofactor that is required for the proper
functioning of an enzyme
Ex: NAD+
Phospholipid bilayer A double layer of phospholipids that makes up
plasma and organelle membranes
