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1) in order for signal transduction to work properly in plants the
______________________.
a. correct hormone needs to bind to the appropriate receptor in order to enter the cell
b. relay proteins need to amplify the signal and convert it into one that will alter the
cellular machinery
c. gene expression must change to produce the appropriate cellular process
d. all of the above.
2) figure a is an 8-cm. cube. figure b is eight, 4-cm cubes. figure c is sixty-four, 2-cm
cubes.
what figure has the greatest volume (height x width x length x number of cubes)?
a. figure a
b. figure b
c. figure c
d. all of these have the same volume.
3) match the items below with their descriptions:
1> fungi a. multicellular, photosynthetic organisms
2> plantae b. multicellular organisms that ingest their food
3> animalia c. obtain their food by absorption through filaments called hyphae
4) which mammalian skeleton provides an advantage in an aquatic environment?
a. a streamlined torpedo-shaped skeleton.
b. a skeleton that has elongated legs and large flippers.
c. a skeleton that allows for walking on the tips of their toes across the bottom of the
ocean.
d. all of the above provide an advantage in an aquatic environment.
e. none of the above provide an advantage in an aquatic envrionment.
5) which of the characteristic(s) apply to the supergroup archaeplastida?
a. they contain plastids that originated from endosymbiotic cyanobacteria.
b. they include multicellular and unicellular organisms.
c. they include land plants and the green algae, chlorophyta.
d. all of the above apply.
e. they include onlymulticellular organisms that contain plastids.
6) mail-order catalogs often advertise a device for repelling irritating insects. one device
has a frequency range from 30,000 to 65,000 cycles per second (hz). humans hear from
roughly 50 to 15,000 cycles per second. in designing an experiment to determine if this
device actually does repel a certain insect, what question(s) should you ask?
a. is the target insect able to perceive a sound between these frequencies?
b. does the insect approach this sound device at a rate higher than random chance?
c. does the insect move away from this sound device at a rate higher than random
chance?
d. does the insect produce any sounds within this range that would lead to a biological
function to perceiving such frequencies?
e. all of the choices are correct.
7) which cutaneous receptors are sensitive to pressure?
a. pacinian corpuscles and ruffini endings
b. pacinian corpuscles and meissner corpuscles
c. ruffini endings and merkel disks
d. root hair plexus and krause end bulbs
e. krause end bulbs and merkel disks
8) when discussing the morphogenesis of drosophila melanogaster, homeotic gene
codes for
a. proteins that bind to regulatory regions of dna.
b. proteins that determine anteroposterior polarity.
c. proteins that determine which genes are turned on.
d. proteins that bind to regulatory regions of dna and proteins that determine which
genes are turned on.
e. all of the choices are correct.
9) what is the cascade of events that leads to the stress response of the adrenal glands?
a. hypothalamus produces acth-releasing hormone - anterior pituitary is stimulated to
produce acth - adrenal cortex stimulated to produce glucocorticoids (regulate
metabolism and sugar level)
b. hypothalamus produces acth-releasing hormone - anterior pituitary is stimulated to
produce acth - adrenal cortex secretes epinephrine and norepinephrine (regulate
metabolism and sugar level)
c. anterior pituitary produces acth - hypothalamus releases acth-releasing hormone -
adrenal cortex hormones then produced
d. adrenal cortex secretes hormones - anterior pituitary secretes acth - hypothalamus
secretes acth-releasing hormone
e. adrenal cortex secretes hormones - hypothalamus secretes acth-releasing hormone -
anterior pituitary releases acth
10) ivanowsky first recognized that something smaller than a bacterium, called a
filterable virus, was able to cause disease in the year
a. 1965.
b. 2001.
c. 1892.
d. 1700.
e. 1650.
11) which of the following is the most complex level of organization?
a. cardiovascular system
b. brain
c. columnar epithelium
d. heart
e. lungs
12) the mammalian lineages include
a. placental mammals.
b. marsupials.
c. monotremes.
d. all of the above are correct.
e. none of the above are correct.
13) order these major taxonomic categories into an increasingly inclusive hierarchy.
a. genus, species, class, order, family, domain, kingdom, phylum
b. species, genus, family, order, class, phylum, kingdom, domain
c. domain, kingdom, phylum, class, order, family, genus, species
d. class, order, family, genus, species, kingdom, phylum, domain
