Biology 1407 Exam 2 Review Questions With Complete Solutions

Biology 1407 Exam 2 Review Questions With Complete
Solutions

3 shapes of bacteria Correct Answers 1. cocci
2. bacillus
3. spirillum

5 groups of prokaryote archaea Correct Answers 1.
euryarchaeota
2. crenarchaeota
3. thaumarchaeota
4. korarchaeota
5. lokiarchaeota

a flexible cell membrane is important in eukaryotes because
Correct Answers it allows the cell to survive in different
environments

actinobacteria Correct Answers gram positive, high ratios of
GC/AT base pairs, form elaborately branching filaments

alveolates Correct Answers alveoli/sacs beneath the cell
membrane, all unicellular, most photosynthetic

ammensalism Correct Answers one is unaffected, the other is
harmed

antibiotics work by Correct Answers interfering with the
synthesis of peptidoglycan

, apicomplexans Correct Answers all are parasites, complex life
cycle with two different hosts
ex: think cats and rats

archaea have Correct Answers unique lipids in the cell
membranes

archaea lack Correct Answers peptidoglycan

archaea live in Correct Answers extreme environments

batesian mimicry Correct Answers nontoxic species mimics a
toxic species

before DNA sequencing, taxonomy of bacteria was based on...
Correct Answers shape, color, motility, nutrition, antibiotic
sensitivity and cell wall structure

biofilm Correct Answers

biofilm Correct Answers a thick jelly like film created by
bacteria

biofilm Correct Answers a thick jelly like film created by
bacteria

biofilm Correct Answers a thick jelly like film created by
bacteria

carnivory Correct Answers predator and prey are both animals