1) when bone marrow stem cells are removed from the patient, infected with a virus
that carries a normal gene, and returned to the patient, this is an example of
a. pcr.
b. chemotherapy.
c. viral disinfection.
d. in vivo gene therapy.
e. ex vivo gene therapy.
2) the hepatic portal vein brings blood to the liver from the _______ and as the blood
passes through the liver it is __________.
a. the lungs; deoxygenated
b. the mouth; acidified
c. the pancreas; oxygenated
d. the small intestine; detoxified
3) molecular data suggests that hornworts, liverworts, and mosses
a. share common ancestry but do not form a monophyletic group.
b. do not share common ancestry and form a polyphyletic group.
c. share common ancestry, but form a monophyletic group.
d. none of the above are true.
4) which part of the respiratory system is an air tube held open by a series of c-shaped
cartilaginous rings?
a. pharynx
b. larynx
c. trachea
d. bronchioles
5) c-4 plants
a. store carbon dioxide temporarily as oxaloacetate.
b. are found in hot dry climates.
c. have a net photosynthetic rate two to three times that of c-3 plants.
d. all of the choices are correct.
6) which of the following pairs is correct?
a. c4 plants = bundle sheathcells contain chlorophyll
b. c3 plants = bundle sheath cells contain chlorophyll
c. cam plants = epidermal cells that contain chlorophyll
d. c4 plants = stoma that contain chlorophyll
7) what two forces control the movement of fluid through the capillary wall?
a. the thickness of the capillary wall and the number of cilia
b. blood pressure and osmotic pressure
c. the oxygen and nitrogen concentration
d. the number of veins and arteries
8) which one of the following structures is not a part of the appendicular skeleton?
a. ribs
b. fibula
c. humerus
d. coxal
e. radius
9) the function of mitosis is:
a. growth of the organism and tissue repair.
b. to ensure that each new cell receives a complete set of genetic information.
c. asexual reproduction in some species.
d. all of the choices are correct.
10) which of the following observations were made during darwin’s journey aboard the
beagle that led him to believe in evolution?
a. geological formations and species variations
b. geological formation and the fixation of species
c. artificial selection and species variation
d. all of the above are correct
11) the transpiration rate in plants is increased by
a. wind.
b. elevated temperature.
c. increased sunlight intensity.
d. all of the choices increase the rate of transpiration.
12) stomates do not open when exposed to a narrow band of green light.
a. supports both hypothesis i and ii.
b. supports only hypothesis i.
c. supports only hypothesis ii.
d. supports neither hypothesis.
13) the general sequence by which a plant responds to external stimuli is
a. chloroplast-vascular bundle-sap.
b. reception-transduction-cellular response.
c. sensory nerve-interneuron-motor nerve.
d. input-reflex-output.
e. leaf-stem-root.
14) luteinizing hormone (lh) triggers ovulation in females. what is its role in males?
a. it does not exist since males lack ovaries.
b. it exists in rudimentary levels since lh is made by the anterior pituitary.
c. it controls production of testosterone.
d. it is exactly the opposite chemical from male hormones, in an antibody-antigen
fashion.
15) the earth’s primitive atmosphere was produced primarily by
a. outgassing from the earth’s interior.
b. gravitational energy.
c. radioactivity.
d. all of the choices are true.
16) the early evolution of higher apes and early ancestors of modern humans most
closely resembles
a. a straight-line vine with one main trunk and many unsuccessful short branches, with
only one or two forms coexisting at any one time.
b. two main trunks leading to apes or humans, and where each newly advanced species
of homo immediately eliminated any coexisting hominids.
c. a many-branched tree with all modern forms extending back relatively unchanged
until reaching the common “missing link” at an origin about 33 million years ago.
d. a complex bush with many branches and perhaps as many as ten species of hominins
2 million years ago.
e. two streams, australopithecus and homo, that merge into one lineage leading to
humans.