Portage Learning Chem 210 Biochem Module 7 Exam questions with multiple correct answers

Portage
Learning
Chem
210
Biochem
Module
7
Exam
True
or
False:
The
Δ
G
value
for
a
particular
reaction
is
-78kJ/mol.
This
value
indicates
the
reaction
is
spontaneous.
-
ANSWER-true
True
or
False:
A
biochemical
metabolic
pathway
is
a
single
reaction
that
converts
starting
material
into
products.
-
ANSWER-false
True
or
False:
A
biochemical
metabolic
pathway
is
a
series
reaction
that
converts
starting
material
into
products.
-
ANSWER-true
True
or
False:
Three
ATP
molecules
are
used
in
the
energy-investing
stage
of
glycolysis.
-
ANSWER-false
True
or
False:
The
citric
acid
cycle
occurs
in
the
presence
of
oxygen.
-
ANSWER-true
True
or
False:
The
citric
acid
cycle
occurs
in
the
absence
of
oxygen.
-
ANSWER-false
True
or
False:
The
β-
oxidation
pathway
only
degrades
odd-numbered
fatty
acids.
-
ANSWER-true
In
total,
how
many
ATP
and/or
NADH
are
produced
in
the
glucose
to
pyruvate
steps
in
glycolysis?
-
ANSWER-2
ATP
and
2
NADPH
produced
In
converting
glucose
to
pyruvate,
how
many
ATP
or
NADH
are
produced
(or
required)
in
the
fructose-6-phosphate
to
fructose-1,6-bisphosphate
step
in
glycolysis?
-
ANSWER-1
ATP
required
In
converting
glucose
to
pyruvate,
how
many
ATP
or
NADH
are
produced
(or
required)
in
the
glucose
to
glucose-6-phosphate
step
in
glycolysis?
-
ANSWER-1
ATP
required
In
converting
glucose
to
pyruvate,
how
many
ATP
or
NADH
are
produced
(or
required)
in
the glyceraldehyde
3-phosephate
to
1,3-bisphosphoglycerate
step
in
glycolysis?
-
ANSWER-2
NADH
produced
In
converting
glucose
to
pyruvate,
how
many
ATP
or
NADH
are
produced
(or
required)
in
the
1,3-bisphosphoglycerate
to
3-phosphoglycerate
step
in
glycolysis?
-
ANSWER-2
ATP
produced
In
converting
glucose
to
pyruvate,
how
many
ATP
or
NADH
are
produced
(or
required)
in
the
phosphoenolpyruvate
to
pyruvate
step
in
glycolysis?
-
ANSWER-2
ATP
produced
What
is
the
primary
product
of
glycolysis?
-
ANSWER-pyruvate
In
glycolysis,
when
glucose
enters
a
cell,
it
is
immediately
phosphorylated
to
form
glucose-6-phosphate.
The
phosphate
donor
in
this
reaction
is
ATP,
and
the
enzyme
is
___.
-
ANSWER-hexokinase
In
glycolysis,
when
glucose
enters
a
cell,
it
is
immediately
phosphorylated
to
form
glucose-6-
phosphate.
The
phosphate
donor
in
this
reaction
is
_______,
and
the
enzyme
is
hexokinase.
-
ANSWER-A TP
In
glycolysis,
when
fructose-6-phosphate
is
preparing
to
split
the
phosphate
donor
in
this
reaction
is
ATP,
and
the
enzyme
is
________.
-
ANSWER-phosphofructokinase-1
In
the
last
reaction
of
glycolysis,
ATP
is
formed
by
the
direct
transfer
of
a
phosphate
group
from
a
metabolite
to
ADP .
This
process
is
referred
to
as:
-
ANSWER-substrate-level
phosphorylation
Under
anaerobic
condition,
to
which
compound
is
pyruvate
converted?
-
ANSWER-ethanol
or
lactate
The
process
that
extracts
energy
as
ATP
but
does
not
consume
O2
or
change
the
concentration
of
NAD+/NADH:
-
ANSWER-fermentation
How
many
reactions
are
in
glycolysis?
-
ANSWER-10
The
reactions
of
glycolysis
take
place
in/on
the
___.
-
ANSWER-cytosol