BI 26702

subject Type Homework Help
subject Pages 12
subject Words 1569
subject Authors Cecie Starr, Christine Evers, Lisa Starr, Ralph Taggart

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In rabbits, there are four alleles at the c locus. Arranged in dominance sequence they
are:
C (agouti), cch(chinchilla), ch(Himalayan), and c (albino)
Use the figure above illustrating honeybee dances to answer the following questions.
A dance that recruits other bees into foraging directly toward the sun is indicated by
a. A.
b. B.
c. C.
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d. D.
e. E.
The opening of which of the following is covered with ciliated, fingerlike projections
that produce a sweeping action?
a. ovary
b. uterus
c. vagina
d. oviduct
e. follicle
Action potentials in muscle fibers cause
a. the sarcoplasmic reticulum to release ATP.
b. the sarcoplasmic reticulum to release calcium.
c. myosin-actin bonds to break.
d. the energizing of myosin molecules.
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e. all of these to occur.
Which of the following are the primary structures that package cellular secretions for
export from the cell?
a. Golgi bodies
b. ribosomes
c. mitochondria
d. lysosomes
e. endoplasmic reticula
Match the following letters to the number with which they best correspond.
a. Observation
b. Question
c. Hypothesis
d. Prediction
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e. Observational experiment
f. Laboratory experiment
g. Assessment
h. Report
Why do people get cancer?
Synthetic auxins are used as
a. pesticides.
b. herbicides.
c. fungicides.
d. insecticides.
e. all of these.
Which of the following is NOT true of adult cell cloning?
a. It involves differentiated cells.
b. It occurs with some frequency in nature.
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c. It involves rewinding the developmental clock.
d. It involves an egg cell that has had its nucleus removed.
e. It may involve nuclear transfer.
Which of the following is a type of postzygotic reproductive isolating mechanism?
a. temporal isolation
b. mechanical isolation
c. behavioral isolation
d. hybrid sterility
e. all of these
The cytoskeleton
a. extends between the nucleus and the plasma membrane.
b. is found within the nucleus.
c. is associated with only certain cell structures.
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d. is found within organelles.
e. is found in all animal cells but not in cells with cell walls.
Polar bodies
a. are dumping places for excess genetic material.
b. have no known biological function.
c. are produced by meiosis.
d. will serve as the gametes if something happens to the egg.
e. all of these are true EXCEPT "will serve as the gametes if something happens to the
egg."
Which of the following is NOT an accessory organ of the human digestive system?
a. salivary gland
b. esophagus
c. pancreas
d. gallbladder
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e. liver
Caecilians
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
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Protists are
a. autotrophic.
b. heterotrophic.
c. unicellular.
d. multicellular.
e. all of these.
Substrate-level phosphorylation transfers phosphate groups from
a. substrate.
b. coenzyme.
c. the electron transfer chain.
d. ATP.
e. the Krebs cycle.
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The following are chemical functional groups that may be part of a biologically active
molecule. Answer the questions by matching the items with the most appropriate group.
a. -COOH
b. -CH3
c. -NH2
d. -OH
e.
f. -PO4
3-
g. -CHO
The carboxyl group
Yeasts are members of which of the following?
a. Ascomycetes
b. Basidiomycetes
c. Glomeromycetes
d. Chytrids
e. Zygomycetes
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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 between two species, both species are harmed to some degree.
Secondary succession occurs
a. after a fire.
b. on a new volcanic island.
c. on bare rock.
d. on land exposed as a glacier retreats.
e. none of these
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Which of the following is false?
a. Periderm is a primary tissue.
b. There is no tissue in animals that corresponds to meristem tissue of plants.
c. Growth from cell division at the tips of stems and roots produces primary growth.
d. Divisions of the lateral meristem increase the diameter of the roots and stems.
e. Lateral meristem activity produces secondary growth.
Smaller teeth and jaws, presence of a chin, thin facial bones, and rounder, higher skull
would be a partial description of
a. Australopithecus robustus.
b. Australopithecus boisei.
c. Homo habilis (early Homo).
d. Homo erectus.
e. Homo sapiens.
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Select the best disorder listed below to match the following statements.
a. Galactosemia
b. Turner syndrome
c. Klinefelter's syndrome
d. hemophilia A
e. Down syndrome
This disorder is due to a sex chromosome abnormality probably caused by
nondisjunction of sex chromosomes at meiosis.
A fetus born earlier than ___ weeks is considered premature.
a. 22
b. 26
c. 30
d. 33
e. 37
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The transporter indicated by the letter "A" in the above figure represents
a. an active Br transporter.
b. a sodium-potassium transporter.
c. a passive potassium transporter.
d. a calcium-phosphorus transporter.
e. none of these.
Which of the following is true of embryo cloning?
a. It occurs all the time in nature.
b. It involves the genetic contribution of two parents.
c. It produces identical offspring.
d. "Artificial twinning" is a laboratory application of the process.
e. All of these are true.
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The items below are processes that occur during different stages of photosynthesis.
Answer the following questions by selecting one of these three processes.
a. oxidation
b. reduction
c. phosphorylation
This process occurs when an electron is passed to an electron acceptor molecule, such
as NADP+.
During menopause:
a. estrogen levels rise.
b. menstruation ceases.
c. many ova are released.
d. women experience cold flashes.
e. all of these are correct.
Which of the following choices is NOT TRUE?
page-pff
a. Carotenoids use yellow and red light to assist in photosynthesis.
b. Carotenoids are accessory pigments that capture certain energy from light and
transfer it to chlorophyll a.
c. The presence of carotenoids in a leaf is masked by the presence of chlorophyll
throughout the growing season.
d. Carotenoids absorb blue and violet wavelengths and reflect red, orange, and yellow.
e. Both carotenoids and anthocyanins reflect red wavelengths.
Respond to the following statements in reference to the four structures of the heart
listed below.
a. right atrium
b. left atrium
c. left ventricle
d. right ventricle
Deoxygenated blood exits the heart from this structure.
Extracellular fluid includes
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a. interstitial fluid.
b. blood.
c. lymph.
d. blood and lymph, only.
e. interstitial fluid, plasma, and lymph.
In what way does prokaryotic fission resemble eukaryotic mitosis?
a. mechanism of chromosome movement
b. genetically equivalent daughter cells are produced
c. chromosome attachment
d. production of a cytoskeletal framework for separating chromosomes
e. all of these
Cnidarians
Choose the most appropriate answer for each.
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a. two pairs of legs per segment
b. tiny, flattened, crawling forms
c. planarians, flukes, tapeworms
d. nematodes
e. snails, squids, clams
f. wheel animals
g. flagellated collar cells present
h. jellyfish and corals
i. crustaceans, ticks, and insects
j. polychaetes, earthworms, leeches
k. sea urchins, sea stars
For the following statements select the best choice of the four evolutionary processes
listed below.
a. mutation
b. gene flow
c. genetic drift
d. natural selection
This process can rapidly offset the effects of genetic isolation when two populations
come into secondary contact.
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A pigment absorbs a photon if the energy of the photon is
a. exactly enough to boost an electron of the pigment to a higher energy level.
b. slightly more than the energy of the electron absorbing the photon.
c. significantly more than the energy of the electron absorbing the photon.
d. exactly twice the energy of the electron absorbing the photon.
e. any of these, depending on the type of pigment.
Which of the following enzymes join the paired sticky ends of DNA fragments?
a. reverse transcriptases
b. restriction enzymes
c. DNA ligases
d. DNA polymerases
e. polynucleotide kinases

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