Which answer puts the steps of the
scientific method in the correct
order to solve a problem?
1.
2.
3.
4.
DACBE
DBACE
DABCE
DBCAE
A. If the problem was the yeast, then the bread
should rise when I use the new yeast.
B. Maybe the yeast that I used had gone bad.
C. I will remake the bread using a new jar of yeast.
D. The bread did not rise.
E. On my second attempt the bread did rise so it is
likely that the old yeast was bad.
Which answer below is a hypothesis
for the validity of echinacea?
1. Does echinacea reduce the duration and
symptoms of the common cold?
2. Echinacea reduces the duration and severity
of the symptoms of the common cold.
3. If echinacea acts as above, then patients
treated with echinacea at the first sign of
cold symptoms should recover faster than
untreated patients.
4. None of the above.
Which answer below would
strengthen your experimental
design?
1. Use a large sample size with a control.
2. Use a small sample size and only look at the affects
on men.
3. Use a large sample size and don’t worry about any
control—its irrelevant.
4. Use a large sample size.
When you eat a candy bar you are eating
mostly simple sugars. If you eat a candy bar
while watching a movie, how will your body
utilize those sugars?
1. All of the sugars will be used immediately by
your working muscles.
2. The sugars will likely be stored as glycogen.
3. The sugars will likely be stored as fat.
4. Both 2 and 3 are correct.
Which food below will maintain
high blood sugar levels for the
longest period of time?
1.
2.
3.
4.
Candy bar
Honey
Apple
Potatoes
In making a homemade salad dressing you mix olive
oil, vinegar, and water together. You notice when
you add the vinegar to the water it mixes
immediately. When you add the olive oil it floats on
top of the solution. The vinegar is ____________
and the oil is ____________.
1.
2.
3.
4.
hydrophobic; hydrophilic
acidic; basic
hydrophilic; hydrophobic
basic; acidic
The polysaccharides starch and cellulose are
both made of glucose. Why can’t the
enzyme salivary amylase breakdown both?
1. The orientation of the covalent bonds are
different.
2. The active site of the enzyme cannot bind to
glucose.
3. The enzyme cannot digest cellulose at
normal body temperatures (32oC).
4. The covalent bonds in cellulose are stronger
than in amylose.
Lactase cannot function properly
in this example because the….
1. shape is incorrect.
2. amino acid
sequence is
incorrect.
3. color is incorrect.
4. 1 and 2
What is the complimentary strand
to this strand: CCCCTTAGGAACC?
1.
2.
3.
4.
CCCCTTAGGAACC
GGGGTTAGGAACC
GGGGAATCCTTGG
GGTTCCTAAGGCC
Which sequence below is the RNA
synthesized from the DNA
sequence below:
CCCCTTAGGAACC
1.
2.
3.
4.
GGGGAATCCTTGG
CCCCTTAGGAACC
GGUUCCUAAGGGG
GGGGAAUACCUUGG
Which component of a DNA
macromolecule will dictate
instructions to the cell?
1.
2.
3.
4.
The order of sugars (deoxyribose) in the DNA.
The order of phosphates in the DNA.
The order of bases (A,G,T,C) in a DNA.
All of the above
Which answer below will base pair
with the DNA sequence below?
TAT TAG TAG GTTA
1. ATAATCATCCAAT
2. AUAAUCAUCCAAU
3. ATTGGATGATTAT
4. TATTAGTAGGTTA
Which answer below represents
the mRNA strand copied from the
DNA strand below?
TAT TAG TAG GTT
1. UAU UAC UAC CUU
2. AUA AUC AUC CAA
3. ATT GGA TGA TTA
4. ATA ATC ATC CAA
Which gene would you expect to
be expressed in a brain cell but not
in the cells of the liver?
1. Alcohol dehydrogenase (alcohol
breakdown)
2. N-Cam (neural cell adhesion molecule)
3. RNA polymerase (transcription)
4. DNA polymerase (DNA replication)
Which feature below is not
found in a prokaryote?
1.
2.
3.
4.
5.
Plasma membrane
Nucleus
Ribosomes
Cell wall
Flagellum
Why does oil not mix with water
but instead spontaneously forms
spheres?
1. The oil is maximizing the amount of surface exposed
to water.
1. The oil is hydrophobic and the water is hydrophilic
1. The oil becoming less hydrophobic.
1. The oil is becoming more hydrophobic.
Which statement is false about the
fatty acid tails of a phospholipid?
1. They are hydrophobic.
2. They cannot interact with ions (Na+,
K+).
3. Small molecules like oxygen can slip
between them.
4. They interact with water.
Which arrow indicates a protein or part
of a protein that is hydrophobic?
1.
2.
3.
4.
Arrow
Arrow
Arrow
Arrow
A
B
C
D
A
B
C
D
A normal cell has a high concentration of potassium on the
inside and a low concentration of potassium on the outside.
Also, a normal cell has a low concentration of sodium on the
inside and a high concentration on the outside. Yet, the net
movement of potassium is into the cell and the net movement
of sodium is out of the cell. What type of transport is
involved?
1.
2.
3.
4.
5.
Osmosis
Facilitated transport
Active transport
Simple diffusion
Secondary active
transport
Which statement about mitochondria
is false?
1. Mitochondria are surrounded by two
membranes.
2. Mitochondria make energy of the cell (ATP).
3. You inherited half of your mitochondria from
your mother.
4. Mitochondria are found in both plant and
animals cells
Which cell type contains the most
mitochondria per cell?
1.
2.
3.
4.
5.
6.
Liver
Muscle
White blood cell
Dermal cell
White adipose cell
Red blood cell
Almost all eukaryotic organisms derive
energy directly or indirectly from the sun.
Therefore, which organelle is the most
important for life as we know it?
1. Nucleus
2. Endoplasmic
reticulum
3. Golgi
4. Chloroplast
5. Mitochondria
Plants convert the energy of the sun
into covalent bonds in carbohydrates
using a process called ________.
1.
2.
3.
4.
Photosynthesis
Cellular respiration
Fermentation
Carbon fixation
Given that every energy conversion is
inefficient, which type of food below
would feed the most people?
1.
2.
3.
4.
Steak
Fish
Rice
Ice cream
UV light can damage the DNA in your
cells, while visible light cannot. Why?
1. UV light has a longer
wavelength than visible
light.
2. The wavelength of UV
light is within the visible
spectrum.
3. UV light contains more
energy than visible
light.
4. UV light contains less
energy than visible
light.
Review: Which answer is an
example of a molecule with high
potential energy?
1.
2.
3.
4.
ATP
NADP+
H2O
Both 1 and 3
What component of photosynthesis
is directly responsible for the
increased weight of the plant?
1. Photosystem 1
providing ATP
2. Photosystem 2
providing NADPH
3. Calvin Cycle fixing
carbon
4. 1 and 2
Reminder: The energy used by
plants and animals ultimately came
from…
1.
2.
3.
4.
Food
Soil
Sun
Air
Which answer below might
decrease your energy levels and
make you feel fatigue easily?
1. Low levels of glucose in your blood
(need to eat)
2. Malfunctioning mitochondria due
to a genetic disorder
3. Low levels of oxygen in the air
4. All of the above
Plants have both chloroplasts and
mitochondria. Why?
1. The mitochondria also synthesize sugars.
2. The mitochondria are used to convert oxygen to
carbon dioxide for the plant.
3. The mitochondria break down sugars produced by
photosynthesis to provide energy for the cellular
work of the plant.
4. The mitochondria break down fat produced by
photosynthesis to provide energy for the cellular
work of the plant.
Which activity below would
produce lactic acid via anaerobic
respiration?
1. Sprinting 1 mile
2. Swimming 10 miles
3. Sprinting 100
meters
4. Making beer
5. 1, 2 and 3
6. All of these
If a person has one normal and one mutant
copy of the BRCA1 gene, that describes
their ______. If the mutation in BRCA1
leads to breast cancer, that describes their
____________.
1.
2.
3.
4.
alleles and genotype
trait and phenotype
genotype and phenotype
trait and alleles
Which mutation has the most
affect on the protein sequence?
mRNA: AUG-UGU-AGU-GGC-AGA
Protein: MET-CYS-SER-GLY-ARG
1.
2.
3.
4.
mRNA:
mRNA:
mRNA:
mRNA:
AUG-UGU-AGU-GGA-AGA
AUG-UGU-AGU-GGC-GA
AUG-UGG-UAG-UGG-CAG-A
AUG-UGU-AGU-GGA-AGC
Which mutation is an example of
an insertion?
mRNA: AUG-UGU-AGU-GGC-AGA
Protein: MET-CYS-SER-GLY-ARG
1.
2.
3.
4.
mRNA:
mRNA:
mRNA:
mRNA:
AUG-UGU-AGU-GGA-AGA
AUG-UGU-AGU-GGC-GA
AUG-UGG-UAG-UGG-CAG-A
AUG-UGU-AGU-GGA-AGC
Mutations….
1. Have a negative effect on the gene
product.
2. Have a neutral effect on the gene
product.
3. Can cause beneficial changes in the
gene product or its expression.
4. 1 and 3
5. All of the above
A mutation occurs in the ____ of a
gene, but the disease is caused by
translation of a _________.
1.
2.
3.
4.
5.
mRNA….. non-functional protein
DNA….mRNA
mRNA….protein with decreased function
DNA….non-functional protein
Answers 1 and 3 are correct