1) transgenic plant products include all of the following except
a. soybeans that are resistant to a common herbicide.
b. an antibody produced by soybeans to treat genital herpes.
c. suicide genes that cause the plants to self destruct after their product has been
produced.
d. antibodies produced by corn plants that deliver radioisotopes to tumor cells.
2) if the parents are ao and bo genotypes for the abo blood group, their children could
include which of the following genotypes?
a. ao and bo only
b. ao, bo, and ab only
c. aa, bb, and ab only
d. ao, bo, and oo only
e. ao, bo, ab, and oo only
3) the connection space between the dendrite of one cell and the axon of another cell is
called a(n)
a. synapse.
b. neurotransmitter.
c. axonic connection.
d. threshold.
4) which of the following is considered an accessory gland in the digestive system?
a. pharynx
b. esophagus
c. stomach
e. pancreas
incorrect
5) the first known multicellular organisms evolved approximately how many years ago?
a. 5 bya
b. 2.1 bya
c. 1.4 bya
d. 100 mya
6) the reason that cellular slime molds are being used to study the evolution of the
immune system is because:
a. cells within the multicellular slug will perform specialized function similar to that of
neutrophils and macrophages.
b. cells within the single-celled slug will perform specialized function similar to that of
neutrophils and macrophages.
c. cells within the multicellular slug will perform specialized function similar to that of
red blood cells.
d. the slug is capable of preventing pathogens from being able to infect it.
e. none of these reasons are why cellular slime molds are being used for studying the
evolution of theimmune system.
7) what would you find in the heart of a human?
a. one atrium and one ventricle
b. two atria and one ventricle
c. one atrium and two ventricles
d. two atria and two ventricles
e. two atria and a partially divided ventricle
8) in a 28-day cycle, the follicular phase of the ovarian cycle occurs at about ____ and
the luteal phase occurs at about ______.
a. days 1-5; days 20-28
b. days 6-13; days 1-5
c. day 14; days 6-15
d. days 1-13; days 15-28
9) without a cytoskeleton, eukaryotic cells would not
a. synthesize protein.
b. have an efficient way to transport materials from one organelle to another.
c. have an efficient means of metabolism.
d. communicate with adjacent cells.
10) which method of asexual reproduction would be most likely to occur in a wild
population of plants? this method enables the parent plant to produce multiple offspring
that start to grow away from the parent plant.
a. growth of stolons.
b. growth of rhizomes.
c. production of suckers from the parent plant.
d. the root develops slips which can produce new offspring.
11) if ca+ is restricted to a musclecell, what are the potential consequences?
a. the myosin head would not be able to bind to the actin filament.
b. the myosin filament would not slide past the actin filament causing a contraction.
c. atp is not split causing the release of energy.
d. all of these are potential consequences.
e. none of these are potential consequences.
12) horticulturists often use ______ and other growth regulators applied as a paste to
plant cuttings to stimulate root formation.
a. ethylene
b. abscisic acid
c. cytokinins
d. indolacetic acid (iaa)
13) in this reaction, the reactant (s) are _____________ and the coenzyme nad is
____________.
a. reduced; oxidized
b. oxidized; oxidized
c. reduced; reduced
d. oxidized; reduced