What do prokaryotes lack? - correct answer-nuclei
Which of the following domains is not a prokaryote?
A. Bacteria
B. Archaea
C. Eukarya - correct answer-eukarya
What is special about the bacteria, spirochaetes? - correct answer-have a distinctive
corkscrew-shaped morphology
What can the bacteria, firmicutes, do? - correct answer-can form spores to resist harsh
environmental conditions
What kind of environments do halobacteria live in? - correct answer-high levels of salt
When using a microscope to observe a specimen, you should always begin by looking at the
specimen on low, medium, or high power? - correct answer-low
Which focus/adjustment knob (fine or coarse) should be used to focus on a sample when
you are working at higher magnification powers? - correct answer-fine
What does the 100x objective require for proper use? - correct answer-oil
What organism has heterocysts? - correct answer-Nostoc
What is the color of Gram-negative bacteria? - correct answer-pink/light red
What is an example of intracellular parasite? - correct answer-Chlamydia trachomatis
Which group of archaea are chemoautotrophs?
A. Haloarchaea/halobacteria
B. Methanomicrobiota - correct answer-B
What is an example of a gram-positive model organism? - correct answer-Bacillus subtilis
What is an example of a gram-negative model organism? - correct answer-E. coli
What is an example of a photosynthetic bacterium? - correct answer-Nostoc spp
What does rhizobium do? - correct answer-fixes atmospheric nitrogen by converting it to
NH3
What is Bacillus anthracis capable of forming? - correct answer-endospores
, Borrelia burgdorferi, which causes Lyme disease, is spread to humans by - correct
answer-ticks
What kind of infections is Staphylococcus aureus responsible for? - correct
answer-nosocomial
Halophiles are organisms that thrive in conditions with extremely high levels of - correct
answer-salt
What is the cellular morphology of the bacterium that causes syphilis? - correct
answer-Treponema pallidum - spirillum
Rhizobium spp. have mutualistic symbiotic relationships with plants. The plants provide an
environment for the bacteria to live that lacks what chemical compound? - correct
answer-oxygen
Rhizobium spp. have mutualistic symbiotic relationships with plants. What do the bacteria
provide for the plant? - correct answer-N2
Protists and fungi are both:
A. Prokaryotes
B. Eukaryotes - correct answer-eukaryotes
The group of organisms termed "protists" is polyphyletic. This means what? - correct
answer-the group is composed of multiple clades, which are not evolutionarily related
The group of organisms termed "fungi" is - correct answer-monophyletic
What are the cell walls of fungi composed of? - correct answer-chitin
Which of the following is not one of the 3 defining characteristics of all plants?
A. cellulose cell walls
B. Chlorophyll a and b
C. Vascular tissue
D. Chloroplasts with 2 membranes - correct answer-C
The group of organisms termed plants is - correct answer-monophyletic
What is the purpose of vascular tissue? - correct answer-to transport water and nutrients
throughout the plant
How are angiosperms and gymnosperms are different? - correct answer-Angiosperms have
fruit and flowers, while gymnosperms do not.
Monocots are a group within the group of - correct answer-angiosperms
Which organism has sporangium? - correct answer-rhizopus spp