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Pituitary dwarfism may be due to insufficient production of
a. mineralocorticoid.
b. glucocorticoid.
c. calcitonin.
d. GH.
e. the parathyroid hormone.
Imprinting is a
a. response to a stimulus.
b. learned behavior that occurs during a critical time period.
c. fixed action pattern.
d. decline in the level of a response to a nonthreatening stimulus.
e. type of learning that involves solving novel problems.
One of the major causes of panda bears becoming endangered is
a. habitat loss and fragmentation.
b. increasing the effects of chemical pollution.
c. a sexually transmitted disease that plagues the bears.
d. introduced exotic species into a habitat.
e. all of these.
Cilia and flagella are most similar in
a. length.
b. the kinds of cells that have them.
c. the number that cells usually have.
d. their internal composition and structure.
e. their location along the cell's periphery.
The following questions refer to the figure above illustrating a tallgrass prairie food
chain.
How many levels of consumption are depicted in the figure?
a. 1
b. 2
c. 3
d. 4
e. 5
A fungus would be most likely to infect:
a. skin.
b. blood.
c. bone.
d. muscle.
e. connective tissue.
Denaturation of proteins may result in all of the following EXCEPT
a. breakage of hydrogen bonds.
b. loss of three-dimensional structure.
c. removal of R groups from amino acids.
d. alteration of enzyme activity.
e. endangerment of a cell's life.
Use the five compounds listed below for the following questions.
a. ethanol
b. pyruvate
c. lactate
d. citrate
e. acetaldehyde
This compound is utilized in alcoholic fermentation and lactate fermentation.
The first major divergence of life gave rise to all of the following except
a. bacteria.
b. archea.
c. ancestors of the eukaryotes.
d. endomembrane systems.
e. The first major divergence of life gave rise to all of these.
Leaching is caused by
a. bacterial action.
b. wind.
c. water.
d. microbial activity.
e. none of these.
The following questions refer to the figure above.
The figure illustrates
a. repression of the lactose operon.
b. promotion of the lactose operon.
c. formation of a repressor molecule.
d. attachment of lactose to DNA.
e. all of these.
A mutation in the Apetala1 gene, in Brassica oleracea plants (wild cabbage), results in
mutated flowers that
a. have multiple female parts.
b. have multiple male parts.
c. have leaves instead of petals.
d. have enormous size.
e. burrow into the ground like peanuts.
A __________ is a virus that infects only bacteria.
Rotifers take their name from
a. their tumbling movements through the water.
b. actions of cilia on their head.
c. their radial symmetry.
d. their elaborate digestive system.
e. rotational action around the central body axis.
The following questions refer to the figure above of antibody structure.
The variable region of a light chain is indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
Which of the following can be changed based on new evidence?
a. hypothesis
b. theory
c. prediction
d. experiment
e. all of these
Horsetails
Choose the most appropriate response.
a. have rhizoids, cuticle, and protected embryo sporophyte
b. one cotyledon
c. non-seed-bearing, heart-shaped gametophytes; spore-bearing leaves with sori
d. Lycopodium; cone-bearing sporophyte; free-living gametophyte
e. only one species left
f. cypress and redwood; heterosporous; mostly evergreen
g. confined to tropics or warm, temperate zones; resemble squat cone-bearing palm
trees
h. two cotyledons
i. Equisetum; homosporous; rhizomes present; aerial stems jointed; scouring rushes
j. have coevolved with pollinating vectors
In the above figure, which of the following would have a diploid number of
chromosomes?
a. A
b. B
c. C
d. D
e. A and B
A solution with a pH of 9 has how many times fewer hydrogen ions than a solution with
a pH of 6?
a. 2
b. 4
c. 10
d. 100
e. 1,000
Choose the one most appropriate item from its description.
a. a six-carbon sugar
b. found in DNA and RNA
c. principal components of cell membranes
d. affect metabolic reaction rates
Glucose
A cohort is
a. a group of individuals of the same species born during the same time interval.
b. any member of the same species.
c. a group of individuals with the same parents.
d. a group of individuals of the same sex.
e. any group of closely related individuals.
Red algae
a. are primarily marine organisms.
b. are thought to have developed from green algae.
c. contain xanthophylls as their main accessory pigments.
d. are mostly unicellular.
e. are all of these.
If a mixture of bacteriophages, some labeled with radioactive sulfur and others labeled
with radioactive phosphorus, is placed in a bacterial culture, the bacteria will eventually
contain
a. radioactive sulfur.
b. radioactive phosphorus.
c. both radioactive sulfur and phosphorus.
d. neither radioactive sulfur nor radioactive phosphorus.
e. complete viruses with radioactive sulfur coats.
stomata
Match all applicable letters with the appropriate term(s). Letters may be used more than
once, and a term may have more than one letter.
a. tissue that is part of the ground system
b. tissue that is part of the vascular system
c. tissue that is part of the dermal system
d. develops into the vascular cambium
e. leaf's photosynthetic tissues (palisade and spongy) are in this category
f. transports photosynthetic products away from leaves and stem
g. meristematic tissue
h. develops into secondary xylem and phloem
i. transports water and dissolved nutrients up to the stem and leaves
j. replaces the epidermis in plants that undergo secondary growth
k. a single layer of cells that helps control the movement of water and dissolved salts
into the xylem pipeline
l. influence the movement of carbon dioxide into the leaf and movement of water out of
the leaf
m. generally, dead cells that provide support and strength to all three tissue systems
n. ground tissue centrally located within a ring of vascular bundles
The primary consumers in natural communities are
a. herbivores.
b. carnivores.
c. scavengers.
d. decomposers.
e. all of these.
Reticular formation
Choose the most appropriate answer.
a. integrates body position, motions, balance
b. in cnidarians; based on reflex pathways devoted to swimming and feeding
c. messages from here arouse the brain and maintain wakefulness
d. the cortical region that coordinates muscles required for speech
e. all parts of nerve cells outside the brain and spinal cord
f. acetylcholine is an example
g. reflex control center for breathing, heart rate, and blood pressure
h. axons of the central nervous system that are sheathed with fatty myelin
i. at top of the brainstem bordering the cerebral hemispheres; influences learning and
emotional behavior
j. motor neurons that are divided into sympathetic and parasympathetic divisions
k. membrane coverings over brain spinal cord
l. contains the tectum; receives and integrates sensory information that is largely sent on
to the forebrain for further neural processing
m. connects right and left cerebral hemispheres
n. group of nerve cell bodies that form an integrative center
o. contains centers concerned with body temperature regulation and with salt and water
balance
Which of the following is(are) true concerning tetanus?
a. The pathogen spreads through the air.
b. The pathogen is ingested through tainted canned food.
c. The pathogen is a virus.
d. A toxin blocks the release of GABA.
e. All of these are true.
The figure illustrates
a. DNA repair.
b. semiconservative replication.
c. the action of the ligases.
d. the action of glycosylases.
e. DNA hybridization.
Respond to the following statements in reference to the five kinds of behavior listed
below.
a. imprinting
b. sexual selection
c. learned behavior
d. defense behavior
e. altruism
A prairie dog makes a particular bark when it sights an eagle. This is an example of
__________.
Choose the one most appropriate description.
a. uses ribulose bisphosphate; produces PGA
b. uses ATP and NADPH
c. uses two PGAL
d. produces ATP and NADPH
e. uses an electron transfer chain to produce ATP
Cyclic pathway of ATP formation
Match the following descriptions with the most appropriate group listed below.
a. Bacteria
b. Protista
c. Plantae
d. Fungi
e. Animalia
multicellular motile consumers
Labeling.
Hair
Why are fossils older than 60 000 years hard to date using C14?
An antigen-bearing pathogen that breaches surface barriers triggers __________
immunity.
What are the odds of a given cell division producing a product with a mutation in a
region that produces a protein product?
Why is color blindness more common in males?
Labeling.
Stigma
Labeling. The following statements refer to the figure below showing the fine structure
of a leaf.
Cells rich in chlorophyll and thus the main sites of photosynthesis are in layers labeled
__________.
Reptiles are __________ (cold-blooded animals) with scales.
Does reproductive cloning always involve somatic cell nuclear transfer?
Labeling.
penis
From the equator to latitudes 10 north and south, high rainfall, high humidity, and mild
temperatures can support __________.
Bacteriophages may reproduce using a __________ pathway in which viral DNA
becomes part of the host chromosome.
__________ are asymmetrical and do not have tissues or organs.
Similar body parts that reflect shared ancestry are called __________.
Secondary growth (thickening) arises from __________.
__________, which assists in fat digestion, is made in the liver and stored in the
__________.
Why does meiosis in females produce only one viable gamete while meiosis in males
produces four?
With __________, an animal learns to associate an involuntary response to one
stimulus with another stimulus.
A __________ is a hybrid, with two nonidentical alleles (Aa).
