Transcript Midterm Review - D and F: AP Biology

Midterm Review
AP Biology
1.
a.
b.
c.
d.
If you roll a pair of dice, what is the
probability that they will both turn up a
three?
1/2
1/12
1/16
1/36
2.
a.
b.
c.
d.
The end products of translation are
Polypeptides
Amino acids
Lipids
RNA
3.
a.
b.
c.
d.
All of the following are homologous
structures except:
Bat wing
Bird wing
Butterfly wing
Human arm
4.
a.
b.
c.
d.
Which of the following is an evolutionary
process not based on random factors?
Genetic drift
Natural selection
Mutation
Gene flow
5.
A population consists of 9% white sheep
and 91% black sheep. What is the
frequency of the black wool allele if the
black wool allele is dominant and the
white wool allele is recessive?
a.
b.
c.
d.
0.30
0.42
0.49
0.70
6.
a.
b.
c.
d.
Because of human predation, the sizes
of and genetic variation in populations of
most species is declining. This is:
Bottleneck
Adaptive radiation
Directional selection
Sympatric speciation
7.
a.
b.
c.
d.
Which of the following taxa contains
organisms that are most distantly
related?
Order
Class
Genus
Family
8.
a.
b.
c.
d.
The main abiotic source of carbon in the
environment for the carbon cycle comes
from
CO2 in the air
CO2 in the water
CO in the air
CO in the water
9.
a.
b.
c.
d.
A product of noncyclic
photophosphorylation is:
NADPH
H20
CO2
ADP
10.
a.
b.
c.
d.
In the inherited disorder called Pompe disease,
glycogen breakdown in the cytosol occurs
normally, yet glycogen accumulates in
lysosomes. This suggests a malfunction with
Enzymes in lysosomes.
Enzymes in mitochondria.
Membrane transport during exocytosis.
Membrane transport during endocytosis.
11.
a.
b.
c.
d.
Hydrolysis of lipids yields
Amino acids and water
Amino acids and glucose
Fatty acids and glycerol
Glucose and glycerol
12.
a.
b.
c.
d.
Which of the following reactions occurs
in the forward direction during glycolysis
but in the reverse direction during
fermentation?
Pyruvate > lactate
Pyruvate > ethanol
NAD+, H+, electrons > NADH
ADP, P > ATP
13.
a.
b.
c.
d.
Which of the following has both a
hydrophobic portion and a hydrophilic
portion?
Starch
Phospholipids
Amino acids
Steroids
14.
a.
b.
c.
d.
Which of the following processes occurs
in both respiration and photosynthesis?
Calvin cycle
Chemiosmosis
Citric acid cycle
Krebs cycle
15.
a.
b.
c.
d.
A solution that has a concentration of H+
that is 10,000 times lower than a solution
with a pH of 6, itself has a pH of
2
3
4
10
16.
a.
b.
c.
d.
The process of transcription results in the
formation of
DNA
Proteins
Lipids
RNA
17.
a.
b.
c.
d.
Phenotype
Females
Males
Red-eyed
30
20
White-eyed
20
30
How many degrees of freedom are there
for the above experiment?
1
2
3
4
18.
If a dialysis bag with a solute concentration of
0.6M is placed into a beaker with a solute
concentration of 0.4M, in which direction will
water flow?
a. Water will flow from the dialysis bag to the beaker.
b. Water will flow from the beaker into the dialysis bag.
c. Water will first flow out of the bag, and then back into the
bag.
d. The solution is already in equilibrium, and water will not
move at all.
19.
a.
b.
c.
d.
Which organelle is responsible for
packaging proteins into vesicles for
exocytosis?
Nucleus
Lysosome
Ribosome
Golgi apparatus
20.
a.
b.
c.
d.
A reaction that includes energy as one of
its reactants is called a(n)
Exergonic reaction
Hydrolysis reaction
Endergonic reaction
Dehydration reaction