BIOL 27679

subject Type Homework Help
subject Pages 19
subject Words 2404
subject Authors Cecie Starr, Christine Evers, Lisa Starr, Ralph Taggart

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page-pf1
Chromatids that are attached at the centromere are called what kind of chromatids?
a. Mother
b. Daughter
c. Sister
d. Programmed
e. either mother or daughter
Within a single motor neuron, the direction an impulse follows is
a. dendrite >>> axon >>> cell body.
b. axon >>> dendrite >>> cell body.
c. dendrite >>> cell body >>> axon.
d. cell body >>> dendrite >>> axon.
e. cell body >>> axon >>> dendrite.
page-pf2
A circulatory system that allows some mixing of oxygenated and oxygen-poor blood is
indicated by
a. A.
b. B.
c. C.
d. A and B.
e. all of these.
When the birth rate plus immigration equals the death rate plus emigration the result is
a. logistic growth.
b. exponential growth.
c. population saturation.
d. zero population growth.
e. geometric growth.
page-pf3
The organism shown above is using which of the following types of reproduction?
a. asexual budding
b. sexual production of eggs
c. hermaphroditic co-fertilization
d. a combination of all three
e. none of these
Which of the following groups are made up of almost exclusively decomposers?
a. Plantae
b. Fungi
c. Animalia
d. Monera
page-pf4
e. Protista
Respond to the following statements in reference to the five plant tissues listed below.
a. protoderm
b. ground meristem
c. procambium
d. vascular cambium
e. cork cambium
This tissue gives rise to periderm.
An unidentified arthropod with no antennae and eight legs could be closely related to
a. grasshoppers.
b. ticks.
c. crayfish.
d. millipedes.
page-pf5
e. crabs.
Which of the following is not a benefit of trees?
a. they produce oxygen.
b. they absorb carbon dioxide.
c. they prevent erosion.
d. they prevent flooding.
e. all of these are a benefit of trees.
The animal in the above photograph was adversely affected by ____ and is making a
comeback thanks to ____.
a. global cooling; heat producing chemical added to their diet
page-pf6
b. sexually transmitted viruses; a new vaccine
c. limited number of natural cavities; artificial nesting boxes
d. high incidence of males being born; transplantation of females from other areas
e. all of these
The anatomical structure identified with the letter "C" in the figure above is
a. the arterial wall.
b. the lumen.
c. atherosclerotic plaque.
d. the capillary wall.
e. none of these.
page-pf7
The "big bang" refers to
a. an event marking the beginning of the universe.
b. the extinction of the dinosaurs.
c. the inevitable end of the universe.
d. the collision of the first galaxies forming the universe as it is today.
e. the inevitable death of large stars.
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice
for each phrase.
a. G2
b. mitosis
c. S
d. G1
e. cytokinesis
Period of cell growth before DNA duplication
page-pf8
Which of the following is used during the fight-or-flight response?
a. sympathetic nervous system
b. parasympathetic nervous system
c. norepinephrine
d. sympathetic nervous system and norepinephrine
e. parasympathetic nervous system and norepinephrine
Which of the following is not a member of the bony fishes?
a. teleosts
b. ray-finned fish
c. lungfish
d. stingrays
e. lobe-finned fishes
Heat loss resulting from conversion of a liquid to a gas is called
page-pf9
a. conduction.
b. radiation.
c. convection.
d. metabolism.
e. evaporation.
For the clade of winged organisms, which of the following would be considered the out
group?
a. Insect
b. Bat
c. Eagle
d. Penguin
e. Honeycreeper
page-pfa
The area labeled "A" is
a. a nucleus.
b. chromatin.
c. endoplasmic reticulum.
d. a vacuole.
e. a nucleolus.
The energy used to generate most of the ATP formed in aerobic respiration is released
when electrons are passed from NADH along a chain to
a. oxygen.
b. acetyl CoA.
c. FADH.
d. CO2..
e. NADPH.
page-pfb
posterior lobe of pituitary
Choose the one most appropriate answer for each.
a. secretes one hormone that increases the metabolic rate and another that inhibits
calcium release from bone storage sites
b. secrete insulin and glucagon
c. secretes hormones that prepare accessory reproductive structures for reproduction
d. involved in lymphocyte maturation
e. secretes tropic hormones, growth hormone, and prolactin
f. secretes mineralocorticoids and glucocorticoids
g. in many vertebrates, helps to determine the amount and distribution of dark pigments
in the skin
h. secrete enzymes that help to form angiotensin
i. participates in reproductive physiology and responds to photoperiod change
j. releases oxytocin and antidiuretic hormone into bloodstream
k. secretes a hormone that promotes calcium release from bone storage sites
l. produces oxytocin and antidiuretic hormone
m. secretes cholecystokinin, secretin, and gastrin
n. secretes epinephrine and norepinephrine
o. secrete pheromones, milk, tears, sweat, and mucus
page-pfc
In the figure above, the honeycomb on which the bee is standing is made up primarily
of which of the following:
a. carbohydrates
b. nucleotides
c. proteins
d. lipids
e. amino acids
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 basic unit of proteins
page-pfd
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 the autonomic division of the nervous system.
Which of the following chemicals has five carbon atoms?
a. phosphoglycerate (PGA)
b. ribulose bisphosphate (RuBP)
c. phosphoglyceraldehyde (PGAL)
d. glucose
e. none of these
page-pfe
What are responsible for the rapid mobilization of the immune response after a
subsequent attack by a pathogen?
a. naive B cells
b. naive T cells
c. NK cells
d. memory cells
e. macrophages
No nonliving entity exhibits of possesses which of the following?
a. energetic interactions.
b. DNA.
c. atoms.
d. heat energy
e. complexity
page-pff
Ecdysone inhibitors are used as
a. insecticides.
b. fungicides.
c. herbicides.
d. fungicides and herbicides.
e. none of these.
biome
Choose the one most appropriate answer for each.
a. northern coniferous forest
b. increases oceanic productivity
c. mosaics of tall, coarse grasses, shrubs, and low trees; even, humid forests; high
rainfall
d. stratified on rocky coasts
e. includes sediments and rocks on the ocean bottom
f. stratified communities with vines, orchids, and monkeys, and nutrient-poor soil
g. chemoautotrophs are the primary producers
h. dwarf willows, mosses, lichens, caribou, and permafrost
page-pf10
i. nurseries of the oceans
j. a large region characterized by its large array of dominant primary producers
Respond to the following statements in reference to the five kinds of species
interactions listed below.
a. competition
b. predation
c. mutualism
d. commensalism
e. parasitism
In this interaction, both species benefit.
conduction
Choose the one most appropriate answer for each.
a. do not maintain the same body temperature at all times; are capable of internal heat
production
b. heat energy is released to the air when liquid water converts to gaseous form
page-pf11
c. bulk flow of protein-free plasma from capillaries into Bowman's capsule
d. animals with more or less constant body temperature
e. emission of heat from body surface when environmental temperature is lower than
the body temperature
f. movement of ions from peritubular capillaries into nephron tubules
g. loss of too much body heat
h. heat next to the body's surface undergoes mass transport by air or water currents
i. active and passive transport of solutes from peritubular capillaries into the glomerular
capillaries
j. a long, slender, tubular unit in the vertebrate kidney that forms urine
k. body temperatures rise and fall with environmental changes
l. secreted by adrenal glands; influences sodium reabsorption
m. passive transport of water; active and passive transport of solutes out of the nephron
into peritubular capillaries
n. heat energy is transferred from high to low temperature regions due to collisions
between adjacent molecules
o. released from the posterior lobe of the pituitary in response to hypothalamic signals
p. toxic substances are extracted from blood circulating in cellophane tubes suspended
in a warm-water bath
q. erection of hairs and feathers by smooth muscles in the skin
Autonomic nervous system
Choose the most appropriate answer.
page-pf12
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
Respond to the following statements in reference to the four structures of the heart
listed below.
a. right atrium
page-pf13
b. left atrium
c. left ventricle
d. right ventricle
Oxygenated blood enters the heart via this structure.
Which of the following is NOT true regarding apoptosis?
a. It is programmed cell death.
b. It sculpts body parts.
c. It primarily eliminates old, diseased cells.
d. It involves cell self-destruction.
e. The formation of the human hand is an example.
How did the cessation of crossing-over contribute to the disparity between the X and Y
chromosomes?
page-pf14
A human embryo does not experience apoptosis. What unusual features would be found
on the newborn?
lysosome
page-pf15
nucleus
__________ occurs when two species act as agents of selection upon one another.
Rubbery cartilage, calcium-hardened bone tissue, lipid-storing adipose tissue, and blood
are looked upon as specialized __________ tissues.
The offspring of a cross between two individuals that breed true for different forms of a
trait are __________.
page-pf16
All populations of all species in a habitat are a __________.
__________ are open channels that connect the cytoplasm of abutting cells and permit
rapid transfer of ions and small molecules between them.
The current mass extinction is said to be 100 to 1000 times above the background
extinction rate. What does this mean?
page-pf17
Why are endospores so dangerous to food production?
The electron transport chain begins to function when __________ or __________ are
oxidized.
__________ behavior is altered by experience.
__________ regulates the maturation of the mammary glands, and then oxytocin causes
__________.
page-pf18
Labeling.
Oil gland
Some bones have __________ that makes blood cells.
page-pf19
With __________, an animal modifies a voluntary behavior in response to the
behavior's consequences.
What is the benefit of using the Earth's magnetic field to migrate compared to the sun or
stars?
During alcoholic fermentation, __________ is converted into ethanol.

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