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Subject
Biology
Date
Dec 6, 2023
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docx
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3
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Quiz2
Started
on
Friday,
3
March
2023,
11:20
AM
State
Finished
Completed
on
Friday,
3
March
2023,
11:49
AM
Time
taken
29
mins
30
secs
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A
plant
cell
wall
will:
a.
Prevent
plasmolysis
in
a
hypotonic
environment
b.
Provide
for
turgor
pressure
in
a
hypotonic
environment
c.
Prevent
plasmolysis
in
a
hypertonic
environment
d.
Provide
for
turgor
pressure
in
an
isotonic
environment
©Of
the
following
functions,
which
is
most
important
for
the
glycoproteins
and
glycolipids
of
animal
cell
membranes?
a.
Maintaining
membrane
fiuidity
at
low
temperatures
b.
The
cells
ability
to
distinguish
one
type
of
neighboring
cell
from
another
c.
Active
transport
of
molecules
against
their
concentraton
gradients
d.
Facilitated
diffusion
of
molecules
down
their
concentration
gradients
Select
ALL
of
the
following
statements
that
correctly
describe
how
an
enzyme
lowers
the
activation
energy
of
a
chemical
reaction.
There
three
correct
responses.
a.
by
removing
energy
from
the
substrate
b.
by
aligning
substrate
molecules
to
allow
for
a
correct
formation
of
bonds
<.
by
increasing
the
reactivity
of
the
product
d.
by
straining
the
bonds
in
the
substrate
e.
by
creating
a
more
favorable
charge
environment
for
the
substrate
within
the
active
site
f.
by
providing
energy
to
accelerate
the
reaction
Describe
the
molecule
shown
below
and
explain
how
living
cells
can use
this
to
do
work.
Gamma
Alpha
)
phosphate
phosphate
—~nN
group
group
N
<
Y
T
I
T
Q
N
0=P—0—P—0—P—0
N
-
o
=
o
Beta
phosphate
OH OH
rouj
el
Ribose
This
molecule
is
an
example
of
ATP.
It
releases
energy
by
breaking
down
pyrophosphate
bonds,
making
it
exergonic.
Cells
use
this
energy
to
carry
out
cellular
tasks
like
mobility,
transportation,
and
chemical
reactions.
Question
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7
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question
Which
of
the
following
energy
generating
processes
is
the
only
one
that
occurs
in
all
iving
organsims?
a.
glycolysis
b.
Calvin
cycle
<.
citric
acid
cycle
d.
oxidative
phosphorylation
Fermentation
a.
uses
oxygen
to
accept
the
terminal
electrons
b.
generates
pyruvate
as
its
end
product
c.
generates
additional
ATP
after
glycolysis
is
done
d.
regenerates
NAD+
from
NADH
During
the
citric
acid
cycle:
a.
cellular
respiration
will
continue
in
the
absence
of
oxygen
b.
the
products
of
glycolysis
are
further
broken
down
generating
additional
ATP
and
NADH
c.
the
products
of
glycolysis
are
broken
down
generating
ethanol
and
ATP
d.
high
energy
electron
carriers
pass
their
energy
to
molecules
of
sugar
which
store
the
electrons
as
a
form
of
potential
energy.
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A canvas.northseattle.edu/courses/2086259/quizzes/5876542/take
CH,OH
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The image above depicts a
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urses/49703/quizzes/244266/take/questions/4605398
is clearly outside the scope of our lecture notes and labs for any reason, your score will become an automatic
ce***You are allowed to use blank scratch paper to help you on the exam.
ank you for your cooperation everyone, and good luck!
Question 12
1 pts
When a baby suckles at its mother's breast the stimulus at the breast is sent to the mother's brain
(a region called the hypothalamus). The brain responds by releasing hormones to stimulate the
production and the ejection of milk from the breast. This helps the newborn to receive
nourishment and encourages more suckling. This example is best described as a
O positive feedback
O loss of homeostasis
O negative feedback
O necessary life function
O survival need
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