1) Destruction of the ozone layer takes place when its component ozone (O3) is converted into oxygen gas (O2) as shown by the following chemical equation. O3 +0-202 Although degradation of O3 happens naturally, there are some man-made substances that cause this process to take place at a rate which is harmful to the environment. One such substance is chlorofluorocarbon or CFC. In the presence of ultraviolet (UV) radiation, a chlorine (Cl) atom from CFC reacts with O3 and converts it to O2 at a faster rate. This is shown by the 2 equations below. Cl + O3 → Clo + O2 Clo + 0- Cl + 02 In this process, the chlorine atom acts as 2) Pepsin is an enzyme present in gastric juice. In the stomach, it catalyzes the breaking 1 down of proteins into shorter polypeptides. Therefore, proteins are the

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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w i 1) Destruction of the ozone layer takes place when its component ozone (03) is converted
O3 + 0202
into oxygen gas (O2) as shown by the following chemical equation.
Although degradation of O3 happens naturally, there are some man-made substances that
cause this process to take pla ce at a rate which is harmful to the environment. One such
substance is chlorofluorocarbon or CFC. In the presence of ultraviolet (UV) radiation, a
de chlorine (Cl) atom from CFC reacts with O3 and converts it to 02 at a faster rate. This is
Cl + O3 → Clo + O2
Clo + 0- Cl + O2
shown by the 2 equations below.
In this process, the chlorine atom acts as
2) Pepsin is an enzyme present in gastric juice. In the stomach, it catalyzes the breaking !
down of proteins into shorter polypeptides. Therefore, proteins are
of pepsin.
the
3) The unstable compound that is formed when the disaccharide maltose binds with the
active site of the enzyme maltase is called
4) The binding of ATP with the enzyme pyruvate kinase results in this enzyme's failure to
catalyze the last step in the breakdown of glucose during the process of glycolysis. In this
situation, ATP acts as the
of pyruvate kinase.
5) A particular chemical reaction will only proceed if the particles of its reactants possess
250 kJ/mol is the
energy that is greater than 250 kilojoules per mole (kJ/mol).
for this reaction.
6) Many of the enzymes involved in photosynthesis aid in chemical reactions that remove
electrons from the oxygen atoms in water and transfer these electrons to the carbon atoms
in carbon dioxide. Based on the kind of reaction that they catalyze, these enzymes are
classified as
7) Based on where they perform their functions, the enzymes amylase and maltase in human
saliva are classified as
8) In order for the enzyme lactase to catalyze the digestion of lactose into the
monosaccharides
glucose and galactose,
of the enzyme.
lactose
must
first
bind
to
the
9) A certain protein can only act as a catalyst if it is linked with the B vitamin biotin. This
protein
is
called
and
biotin
is
its
Transcribed Image Text:w i 1) Destruction of the ozone layer takes place when its component ozone (03) is converted O3 + 0202 into oxygen gas (O2) as shown by the following chemical equation. Although degradation of O3 happens naturally, there are some man-made substances that cause this process to take pla ce at a rate which is harmful to the environment. One such substance is chlorofluorocarbon or CFC. In the presence of ultraviolet (UV) radiation, a de chlorine (Cl) atom from CFC reacts with O3 and converts it to 02 at a faster rate. This is Cl + O3 → Clo + O2 Clo + 0- Cl + O2 shown by the 2 equations below. In this process, the chlorine atom acts as 2) Pepsin is an enzyme present in gastric juice. In the stomach, it catalyzes the breaking ! down of proteins into shorter polypeptides. Therefore, proteins are of pepsin. the 3) The unstable compound that is formed when the disaccharide maltose binds with the active site of the enzyme maltase is called 4) The binding of ATP with the enzyme pyruvate kinase results in this enzyme's failure to catalyze the last step in the breakdown of glucose during the process of glycolysis. In this situation, ATP acts as the of pyruvate kinase. 5) A particular chemical reaction will only proceed if the particles of its reactants possess 250 kJ/mol is the energy that is greater than 250 kilojoules per mole (kJ/mol). for this reaction. 6) Many of the enzymes involved in photosynthesis aid in chemical reactions that remove electrons from the oxygen atoms in water and transfer these electrons to the carbon atoms in carbon dioxide. Based on the kind of reaction that they catalyze, these enzymes are classified as 7) Based on where they perform their functions, the enzymes amylase and maltase in human saliva are classified as 8) In order for the enzyme lactase to catalyze the digestion of lactose into the monosaccharides glucose and galactose, of the enzyme. lactose must first bind to the 9) A certain protein can only act as a catalyst if it is linked with the B vitamin biotin. This protein is called and biotin is its
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