Biology 121 Final Exam Questions And Answers
What is the hierarchy of life from largest to smallest? - ANS Biosphere-Ecosystem-Community-Population-Organism-Organ system-Organ-Tissue-Cells-Organelle-Molecule-Atom
A current example of natural selection is - ANS The bacteria that has b...
Biology
121
Final
Exam
What
is
the
hierarchy
of
life
from
largest
to
smallest?
-
ANS
Biosphere-Ecosystem-Community-Population-Organism-Organ
system-Organ-Tissue-Cells-Organelle-Molecule-Atom
A
current
example
of
natural
selection
is
-
ANS
The
bacteria
that
has
become
drug
resistant
The
usual
process
for
the
scientific
method
is:
-
ANS
Observation-question-hypothesis-prediction-experiment-results-conclusion
Starch
is
a
reserve
polysaccharide
made
up
of
_____
subunits
-
ANS
Glucose
Monosaccharides
are
to
polysaccharides
as
______
are
to
_______
-
ANS
Amino
acids;
proteins
All
organic
molecules
contain:
-
ANS
Carbon
In
polar
covalent
bonding,
electrons
are
______
______
between
two
atoms
-
ANS
shared
unequally
I
have
an
element
alpha
with
an
atomic
number
of
10
and
I
have
another
element
beta
with
the
same
number
of
protons
but
has
3
more
neutrons
than
alpha.
What
is
the
atomic
number
of
beta?
-
ANS
10
What
organelles
are
involved
in
energy
conversion?
-
ANS
Mitochondrion
and
chloroplast
Two
molecules
contain
the
exact
same
elements
but
are
arranged
differently
what
is
this
called?
-
ANS
Isomer
Why
is
one
side
of
a
water
molecule
practically
negative
while
the
other
side
is
practically
positive?
-
ANS
Uneven
sharing
of
electron
pairs
occurs
due
to
the
strong
pull
of
oxygen.
Looking
at
the
reaction
above
what
type
of
reaction
forms
a
triglyceride?
-
ANS
Dehydration
synthesis
reactions
Which
of
the
following
dietary
fats
is
considered
to
be
the
healthiest?
-
ANS
Unsaturated
cis
fat
The
structure
of
cholesterol
is
similar
to
the
structure
of:
-
ANS
Sex
hormones The
graph
is
showing
the
differences
in
_____
between
a
chemical
reaction
with
and
without
enzymes
-
ANS
Activation
energy
Which
structure
selectively
regulates
the
transport
of
substances
into
and
out
of
a
planet
cell?
-
ANS
The
plasma
membrane
What
is
the
role
of
the
protein
component
of
chromatin?
-
ANS
Something
small
and
charged,
like
Mg
ion
You
have
two
beakers
in
front
of
you
labled
A
and
B.
One
beaker
contains
Sodium
Chloride
and
the
other
contains
crystalized
triglyceride.
You
cannot
tell
them
visually
apart.
You
then
take
a
subsample
from
beaker
A
and
place
it
in
water.
The
substance
dissolves.
The
substance
in
Beaker
B
does
not
dissolve
which
beaker
contains
salt?
-
ANS
Beaker
A
You
just
got
a
job
at
a
blood
bank
and
you
are
adding
a
chemical
to
preserve
the
blood.
After
a
few
bags
you
notice
the
blood
changing
color
and
separating.
You
take
a
subsample
of
a
treated
sample
and
look
under
a
microscope.
You
see
that
the
red
blood
cells
have
either
exploded
or
are
shaped
like
a
fat
balloon
that
is
going
to
pop.
The
solution
that
the
blood
cells
are
in
is
probably
what?
-
ANS
Hypotonic
What
is
ATP?
-
ANS
An
energy
molecule
What
are
enzymes?
-
ANS
A
type
of
protein
that
lowers
activation
energy
of
a
reaction
In
every
conversion
of
energy
a
portion
is
lost
to
environment
in
what
form?
-
ANS
Heat
energy
The
O2
produced
by
photosynthesis
originates
from
what
reactant?
-
ANS
H2O
What
are
the
three
stages
of
aerobic
cellular
respiration?
-
ANS
Glycolysis,
citric
acid
cycle,
and
the
electron
transport
chain
In
what
part
of
anaerobic
respiration
is
oxygen
consumed?
-
ANS
Does
not
consume
oxygen
A
new
pesticide
kills
plants
by
stopping
the
ability
of
ADP
to
bond
with
a
phosphate.
Should
their
be
a
warning
on
the
product?
-
ANS
Yes,
there
should
be
because
this
is
the
major
energy
unit
for
all
life
Alcohol
is
a
waste
product
produced
by
yeast
in
the
presence
of
sugar
and
the
absence
of
what?
-
ANS
O2
The
CO2
that
humans
breathe
out
is
similar
to
the
CO2
plants
produce
in
that:
-
ANS
It
comes
from
the
same
citric
acid
cycle
and
occurs
in
the
mitochondria
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