bio 1108 exam 3
Study online at https://quizlet.com/_f1nc2r
1. The hydrolytic digestion of which of the following Two of these re-
should produce monomers that are aminated (i.e., sponses are cor-
have an amine group attached) molecules of ²-glu- rect.
cose?
A) insect exoskeleton
B) plant cell walls
C) fungal cell walls
D) Three of these responses are correct.
E) Two of these responses are correct.
2. If all fungi in an environment that perform decom- prokaryotes
position were to suddenly die, then which group of
organisms should benefit most, due to the fact that
their fungal competitors have been removed?
A) plants
B) protists
C) prokaryotes
D) animals
E) mutualistic fungi
3. When a mycelium infiltrates an unexploited source of fungal enzymes
dead organic matter, what are most likely to appear
within the food source soon thereafter?
A) fungal haustoria
B) soredia
C) fungal enzymes
D) increased oxygen levels
E) larger bacterial populations
4. Which of the following is a characteristic of hyphate They are adapted
fungi (fungi featuring hyphae)? for rapid direction-
A) They acquire their nutrients by phagocytosis. al growth to new
B) Their body plan is a unicellular sphere. food sources.
C) Their cell walls consist mainly of cellulose mi-
crofibrils.
D) They are adapted for rapid directional growth to
new food sources.
, bio 1108 exam 3
Study online at https://quizlet.com/_f1nc2r
E) They reproduce asexually by a process known as
budding.
5. The functional significance of porous septa in certain gap junctionsplas-
fungal hyphae is most similar to that represented by modesmata
which pair of structures in animal cells and plant
cells, respectively?
A) desmosomestonoplasts
B) gap junctionsplasmodesmata
C) tight junctionsplastids
D) centriolesplastids
E) flagellacentral vacuoles
6. What do fungi and arthropods have in common? The protective
A) Both groups are commonly coenocytic. coats of both
B) The haploid state is dominant in both groups. groups are made
C) Both groups are predominantly heterotrophs that of chitin.
ingest their food.
D) The protective coats of both groups are made of
chitin.
E) Both groups have cell walls.
7. In septate fungi, what structures allow cytoplasmic pores in
streaming to distribute needed nutrients, synthesized cross-walls
compounds, and organelles throughout the hyphae?
A) multiple chitinous layers in cross-walls
B) pores in cross-walls
C) complex microtubular cytoskeletons
D) two nuclei
E) tight junctions that form in cross-walls between
cells
8. What accounts most directly for the extremely fast rapid distribution
growth of a fungal mycelium? of synthesized
A) rapid distribution of synthesized proteins by cyto- proteins by cyto-
plasmic streaming plasmic streaming
B) a long tubular body shape
C) the readily available nutrients from their ingestive
mode of nutrition
, bio 1108 exam 3
Study online at https://quizlet.com/_f1nc2r
D) a dikaryotic condition that supplies greater
amounts of proteins and nutrients
9. The vegetative (nutritionally active) bodies of most Three of these re-
fungi are sponses are cor-
A) composed of hyphae. rect.
B) referred to as a mycelium.
C) usually underground.
D) Three of these responses are correct.
E) Two of these responses are correct.
10. Both fungus-farming ants and their fungi can syn- chitin
thesize the same structural polysaccharide from the
²-glucose. What is this polysaccharide?
A) amylopectin
B) chitin
C) cellulose
D) lignin
E) glycogen
11. Consider two hyphae having equal dimensions: one less chitin
from a septate species and the other from a coeno-
cytic species. Compared with the septate species, the
coenocytic species should have
A) fewer nuclei.
B) more pores.
C) less chitin.
D) less cytoplasm.
E) reduced cytoplasmic streaming.
12. Immediately after karyogamy occurs, which term ap- diploid
plies?
A) plasmogamy
B) heterokaryotic
C) dikaryotic
D) diploid
13. Which description does not apply equally well to both are produced by
sexual and asexual spores? meiosis
A) have haploid nuclei
, bio 1108 exam 3
Study online at https://quizlet.com/_f1nc2r
B) represent the dispersal stage
C) are produced by meiosis
D) upon germination, will subsequently undergo S
phase and mitosis
14. Plasmogamy can directly result in which of the fol- 2 or 3
lowing?
1. cells with a single haploid nucleus
2. heterokaryotic cells
3. dikaryotic cells
4. cells with two diploid nuclei
A) 1 or 2
B) 1 or 3
C) 2 or 3
D) 2 or 4
E) 3 or 4
15. After cytokinesis occurs in budding yeasts, the similar nucleus
daughter cell has a and less cyto-
A) smaller nucleus and more cytoplasm than the plasm than the
mother cell. mother cell.
B) smaller nucleus and less cytoplasm than the moth-
er cell.
C) larger nucleus and less cytoplasm than the mother
cell.
D) similar nucleus and less cytoplasm than the moth-
er cell.
16. In most fungi, karyogamy does not immediately fol- results in het-
low plasmogamy, which consequently erokaryotic or
A) means that sexual reproduction can occur in spe- dikaryotic cells.
cialized structures.
B) results in multiple diploid nuclei per cell.
C) allows fungi to reproduce asexually most of the
time.
D) results in heterokaryotic or dikaryotic cells.
Study online at https://quizlet.com/_f1nc2r
1. The hydrolytic digestion of which of the following Two of these re-
should produce monomers that are aminated (i.e., sponses are cor-
have an amine group attached) molecules of ²-glu- rect.
cose?
A) insect exoskeleton
B) plant cell walls
C) fungal cell walls
D) Three of these responses are correct.
E) Two of these responses are correct.
2. If all fungi in an environment that perform decom- prokaryotes
position were to suddenly die, then which group of
organisms should benefit most, due to the fact that
their fungal competitors have been removed?
A) plants
B) protists
C) prokaryotes
D) animals
E) mutualistic fungi
3. When a mycelium infiltrates an unexploited source of fungal enzymes
dead organic matter, what are most likely to appear
within the food source soon thereafter?
A) fungal haustoria
B) soredia
C) fungal enzymes
D) increased oxygen levels
E) larger bacterial populations
4. Which of the following is a characteristic of hyphate They are adapted
fungi (fungi featuring hyphae)? for rapid direction-
A) They acquire their nutrients by phagocytosis. al growth to new
B) Their body plan is a unicellular sphere. food sources.
C) Their cell walls consist mainly of cellulose mi-
crofibrils.
D) They are adapted for rapid directional growth to
new food sources.
, bio 1108 exam 3
Study online at https://quizlet.com/_f1nc2r
E) They reproduce asexually by a process known as
budding.
5. The functional significance of porous septa in certain gap junctionsplas-
fungal hyphae is most similar to that represented by modesmata
which pair of structures in animal cells and plant
cells, respectively?
A) desmosomestonoplasts
B) gap junctionsplasmodesmata
C) tight junctionsplastids
D) centriolesplastids
E) flagellacentral vacuoles
6. What do fungi and arthropods have in common? The protective
A) Both groups are commonly coenocytic. coats of both
B) The haploid state is dominant in both groups. groups are made
C) Both groups are predominantly heterotrophs that of chitin.
ingest their food.
D) The protective coats of both groups are made of
chitin.
E) Both groups have cell walls.
7. In septate fungi, what structures allow cytoplasmic pores in
streaming to distribute needed nutrients, synthesized cross-walls
compounds, and organelles throughout the hyphae?
A) multiple chitinous layers in cross-walls
B) pores in cross-walls
C) complex microtubular cytoskeletons
D) two nuclei
E) tight junctions that form in cross-walls between
cells
8. What accounts most directly for the extremely fast rapid distribution
growth of a fungal mycelium? of synthesized
A) rapid distribution of synthesized proteins by cyto- proteins by cyto-
plasmic streaming plasmic streaming
B) a long tubular body shape
C) the readily available nutrients from their ingestive
mode of nutrition
, bio 1108 exam 3
Study online at https://quizlet.com/_f1nc2r
D) a dikaryotic condition that supplies greater
amounts of proteins and nutrients
9. The vegetative (nutritionally active) bodies of most Three of these re-
fungi are sponses are cor-
A) composed of hyphae. rect.
B) referred to as a mycelium.
C) usually underground.
D) Three of these responses are correct.
E) Two of these responses are correct.
10. Both fungus-farming ants and their fungi can syn- chitin
thesize the same structural polysaccharide from the
²-glucose. What is this polysaccharide?
A) amylopectin
B) chitin
C) cellulose
D) lignin
E) glycogen
11. Consider two hyphae having equal dimensions: one less chitin
from a septate species and the other from a coeno-
cytic species. Compared with the septate species, the
coenocytic species should have
A) fewer nuclei.
B) more pores.
C) less chitin.
D) less cytoplasm.
E) reduced cytoplasmic streaming.
12. Immediately after karyogamy occurs, which term ap- diploid
plies?
A) plasmogamy
B) heterokaryotic
C) dikaryotic
D) diploid
13. Which description does not apply equally well to both are produced by
sexual and asexual spores? meiosis
A) have haploid nuclei
, bio 1108 exam 3
Study online at https://quizlet.com/_f1nc2r
B) represent the dispersal stage
C) are produced by meiosis
D) upon germination, will subsequently undergo S
phase and mitosis
14. Plasmogamy can directly result in which of the fol- 2 or 3
lowing?
1. cells with a single haploid nucleus
2. heterokaryotic cells
3. dikaryotic cells
4. cells with two diploid nuclei
A) 1 or 2
B) 1 or 3
C) 2 or 3
D) 2 or 4
E) 3 or 4
15. After cytokinesis occurs in budding yeasts, the similar nucleus
daughter cell has a and less cyto-
A) smaller nucleus and more cytoplasm than the plasm than the
mother cell. mother cell.
B) smaller nucleus and less cytoplasm than the moth-
er cell.
C) larger nucleus and less cytoplasm than the mother
cell.
D) similar nucleus and less cytoplasm than the moth-
er cell.
16. In most fungi, karyogamy does not immediately fol- results in het-
low plasmogamy, which consequently erokaryotic or
A) means that sexual reproduction can occur in spe- dikaryotic cells.
cialized structures.
B) results in multiple diploid nuclei per cell.
C) allows fungi to reproduce asexually most of the
time.
D) results in heterokaryotic or dikaryotic cells.
