UMKC Bio 109 Exam 1 Study Guide
Questions and Answers 100% Pass
All of following statements concerning the bacterial cell wall are true with the
exception of - ✔✔is the source of endotoxins in gram positive bacteria
When a non-pathogenic strain of S. pneumoniae is mixed with a heat-killed pathogenic
strain, the former is converted to the pathogenic form. The process responsible for this
conversion is termed - ✔✔transformation
An organism that obtains energy from inorganic chemicals such as NH3 -
✔✔chemoautotroph
An organism that obtains both energy and carbon as it decomposes dead organisms -
✔✔chemoheterotroph
An organism that obtains energy from sunlight. - ✔✔photoheterotroph
Which of the following descriptions of protists is incorrect? - ✔✔protists are prokaryotic
The intermediate host in the life cycle of a blood fluke is - ✔✔a gastropod mollusk
The stage in the sexual life cycle of fungi that involves the fusion of haploid nuclei -
✔✔karyogamy
The mutualistic relationship between plant roots and fungi of the phylum
glomeromycota - ✔✔arbuscular mycorrhizae
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, Which of the following is (are) unique to animals? - ✔✔nervous conduction and
muscular movement
Radial symmetry is generally associated with - ✔✔a sessile existence
Which of the following combinations of phylum and description is incorrect? -
✔✔Echinodermata - protostome development, post anal tail
All of the following can be observed in the phylum Cnidaria except - ✔✔a
pseudocoelom
Which of the following phyla do not have blind-sac body plans (a gastrovascular cavity
with a single opening)? - ✔✔Annelida (polychaete worms, earth worms, leeches)
Which of the following is not an advantage of the arthropod exoskeleton? - ✔✔enhances
sensory perception
Pharyngeal slits appear to have functioned first as - ✔✔suspension-feeding devices
A derived character that distinguishes the chondrichthyans from other clades is the
presence of - ✔✔a cartilagenous endoskeleton
Which of the following compounds is most common in the cell walls of Gram positive
bacteria? - ✔✔peptidoglycan
Differences between eukaryotic and prokaryotic cells include all of the following except
- ✔✔prokaryotic cells lack ribosomes
Near deep sea hydrothermal vents, where there is no access to sunlight, one may
encounter complex communities of organisms flourishing there that are fueled by
inorganic chemicals dissolved in the vent fluids. Such communities are most likely
dependent on ___________________ as their primary producers. (note: In a terrestrial
environment plants are the predominant primary producers.) - ✔✔chemoautotrophs
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
Questions and Answers 100% Pass
All of following statements concerning the bacterial cell wall are true with the
exception of - ✔✔is the source of endotoxins in gram positive bacteria
When a non-pathogenic strain of S. pneumoniae is mixed with a heat-killed pathogenic
strain, the former is converted to the pathogenic form. The process responsible for this
conversion is termed - ✔✔transformation
An organism that obtains energy from inorganic chemicals such as NH3 -
✔✔chemoautotroph
An organism that obtains both energy and carbon as it decomposes dead organisms -
✔✔chemoheterotroph
An organism that obtains energy from sunlight. - ✔✔photoheterotroph
Which of the following descriptions of protists is incorrect? - ✔✔protists are prokaryotic
The intermediate host in the life cycle of a blood fluke is - ✔✔a gastropod mollusk
The stage in the sexual life cycle of fungi that involves the fusion of haploid nuclei -
✔✔karyogamy
The mutualistic relationship between plant roots and fungi of the phylum
glomeromycota - ✔✔arbuscular mycorrhizae
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 1
, Which of the following is (are) unique to animals? - ✔✔nervous conduction and
muscular movement
Radial symmetry is generally associated with - ✔✔a sessile existence
Which of the following combinations of phylum and description is incorrect? -
✔✔Echinodermata - protostome development, post anal tail
All of the following can be observed in the phylum Cnidaria except - ✔✔a
pseudocoelom
Which of the following phyla do not have blind-sac body plans (a gastrovascular cavity
with a single opening)? - ✔✔Annelida (polychaete worms, earth worms, leeches)
Which of the following is not an advantage of the arthropod exoskeleton? - ✔✔enhances
sensory perception
Pharyngeal slits appear to have functioned first as - ✔✔suspension-feeding devices
A derived character that distinguishes the chondrichthyans from other clades is the
presence of - ✔✔a cartilagenous endoskeleton
Which of the following compounds is most common in the cell walls of Gram positive
bacteria? - ✔✔peptidoglycan
Differences between eukaryotic and prokaryotic cells include all of the following except
- ✔✔prokaryotic cells lack ribosomes
Near deep sea hydrothermal vents, where there is no access to sunlight, one may
encounter complex communities of organisms flourishing there that are fueled by
inorganic chemicals dissolved in the vent fluids. Such communities are most likely
dependent on ___________________ as their primary producers. (note: In a terrestrial
environment plants are the predominant primary producers.) - ✔✔chemoautotrophs
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
