Which of the following is found in cocoa?
a. Epicatechin.
b. Caffeine.
c. Resveratrol.
d. Curcumin.
e. Nicotine.
Which of the following is NOT characteristic of sensation?
a. Some sensory receptors are activated only by chemicals.
b. Nerve impulses mediating each of the senses are essentially the same.
c. Sensory neuron activity follows the all-or-none law.
d. All organisms use the same sense organs to perceive their environments.
e. All sensory receptors convert stimulus energy into action potentials.
The urinary system helps to maintain the extracellular fluid pH by
a. synthesizing buffers.
b. retaining carbon dioxide in the filtrate.
c. excreting excess hydrogen ions.
d. combining hydrogen ions with urea.
e. signaling the respiratory system to adjust breathing rate.
The following are basic building blocks of biopolymers. Match the building blocks with
the statements below.
a. amino acid
b. glucose
c. glycerol
d. fatty acid
e. nucleotide
Which two units combine in various ways to form lipids?
a. a and b
b. a and c
c. b and c
d. b and d
e. c and d
The primary somatosensory cortex
a. maps the distribution of somatic receptors on the body.
b. consists of white matter.
c. contains interneurons.
d. devotes the largest region to body parts with the greatest sensory acuity.
e. includes all EXCEPT “consists of white matter.”
Runners are modified stems that resemble roots and are also known as
a. stolons.
b. rhizomes.
c. bulbs.
d. corms.
e. tubers.
Respond to the following statements in reference to the four kinds of social behavior
listed below.
a. altruism
b. cooperation
c. selfish herd behavior
d. subordination
When a colony of bluegill sunfishes compete for the safe sites at the center of the
group, this is an example of __________.
The dodo
a. is a large, flightless bird.
b. became extinct at human hands.
c. lived only on Mauritius.
d. was plentiful in the year 1600.
e. includes all of these descriptions.
Where in cells are proteins manufactured?
a. Golgi bodies
b. vesicles
c. rough endoplasmic reticula
d. lysosomes
e. smooth endoplasmic reticula
The following are basic building blocks of biopolymers. Match the building blocks with
the statements below.
a. amino acid
b. glucose
c. glycerol
d. fatty acid
e. nucleotide
The monomers of a polypeptide chain
The interval before the onset of DNA replication is called
a. the G1 stage.
b. the G2 stage.
c. the M stage.
d. the S stage.
e. all of these stages.
A prenatal diagnosis procedure that has recently come into wide use can be performed
earlier than amniocentesis, and it involves sampling the
a. yolk sac material.
b. allantois.
c. chorion.
d. yolk sac.
e. umbilical cord.
In horsetails, lycophytes, and whisk ferns,
a. spores give rise to gametophytes.
b. the main plant body is a gametophyte.
c. the sporophyte bears sperm- and egg-producing organs.
d. the gametophyte is the dominant stage in the life cycle.
e. all of these are true.
Platypus
Choose the one most appropriate letter for each.
a. cartilaginous skeleton; jaws
b. reptile with four-chambered heart
c. placental mammal
d. legless amphibian
e. invertebrate chordate; no metamorphosis
f. endotherm with feathers
g. limbless reptile
h. most primitive fishes with jaws; extinct
i. modern-day parasitic jawless vertebrate
j. marsupial
k. adult is called ‘sea squirt”
l. egg-laying mammal
m. swim bladder for buoyancy
n. may be sexually mature in larval form
The stages of mitosis plus interphase are listed below. Select the correct phase for each
of the following statements.
a. interphase
b. prophase
c. metaphase
d. anaphase
e. telophase
The microtubular spindle develops.
__________ can reveal the order of nucleotide bases in a fragment of DNA.
Which of the following groups contains organisms that produce free-living larvae?
a. cnidarians
b. echinoderms
c. arthropods
d. cnidarians and echinoderms
e. cnidarians, echinoderms, and arthropods
Respond to the following statements in reference to the five regions of the vertebrate
brain listed below.
a. cerebrum
b. hypothalamus
c. pons
d. cerebellum
e. medulla oblongata
This region controls much of the endocrine system.
Cells very similar to choanoflagellates are found in:
a. Land plants
b. Sponges
c. Mold
d. Bacteria
e. None of these
Transcriptional control
Choose the one most appropriate answer for each.
a. influences the amount and kinds of mRNA assembled from structural genes
b. snipping out of transcript regions; chemical modification of transcript before it
arrives at ribosome control
c. nuclear envelope selectively regulates passage of transcripts
d. phosphorylation of translated protein
e. for example, the interior environmental pH determines whether a protein can act as a
cell catalyst
The area in the figure marked “A” is likely to become
a. vacuoles.
b. Golgi bodies.
c. mitochondria.
d. chloroplasts in some cells.
e. endoplasmic reticulum.
100 billion in the brain
Even though there may be more than one correct letter response to some numbered
items, discriminate and “juggle” so that you have the one BEST response for each.
a. cells that nurture and support neurons
b. a hyperpolarizing event
c. a neuron cannot propagate an action potential at this time
d. Acetylcholine or GABA
e. interneuron in brain or spinal cord
f. establishes basis of resting membrane potential
g. sheathed muscle cells that contain receptors
h. input
i. integrator cell between sensory and motor
j. modified dendrite of a sensory neuron
k. a depolarizing event
l. output
m. muscle or gland
n. produced by a Schwann cell
o. cluster of cell bodies outside the CNS
The stages of mitosis plus interphase are listed below. Select the correct phase for each
of the following statements.
a. interphase
b. prophase
c. metaphase
d. anaphase
e. telophase
Spindle fibers first appear.
All EXCEPT which of the following hormones are in some way responsible for the
production of sperm?
a. luteinizing hormone
b. follicle-stimulating hormone
c. gonadotropin-releasing hormone
d. testosterone
e. human chorionic gonadotropin
Which of the following is NOT true of type I Herpes simplex?
a. It is a DNA virus.
b. It has a latent phase in its replication cycle.
c. It remains in nerve cells for a time.
d. Sunburn or other stress can activate it.
e. Once activated it causes a form of skin cancer.
The following questions refer to the figure above of a human femur.
Compact bone is indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
Respond to the following statements in reference to the five endocrine glands listed
below.
a. adrenal cortex
b. ovary
c. pineal
d. parathyroid
e. thymus
This gland plays a central role in the immune response.
The data from the butterfly experiment reflected which of the following?
a. natural selection
b. food choices by predators
c. the ability of birds to find the prey
d. the role of mimicry
e. all of these
The valve between “C” and “E” is the
a. right AV valve.
b. right pulmonary valve.
c. left AV valve.
d. left pulmonary valve.
e. aortic valve.
The components of membranes that account for most of their active functions are
a. carbohydrates.
b. sterols.
c. proteins.
d. fats.
e. phospholipids.
Which of the following has not played a part in the extinction of honeycreepers in
Hawaii?
a. Loss of habitat.
b. Human activities.
c. Imported species.
d. Depletion of the ozone layer.
e. Disease.