ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
2024/2025
What type of microscope did Robert Hooke use and who was the likely designer
of that microscope?
a compound microscope; similar to the Janssens
What are the three domains of life?
Bacteria, Archaea, Eukarya
You have isolated a unicellular, non nucleated cell from a deep-sea vent! Choose
the statement that is least likely in regards to the cell that you've found.
The cell is a yeast species
This microbe is only made of protein and infect some animals.
Prions
This microbe is unicellular, has a nucleus, and is motile.
Protozoans
This microbe is not motile, and cannot be seen with typical lab microscopes.
Viruses
This microbe can be motile, and some are extremophiles.
Archaea
True or False: some fungi reproduce asexually and some can reproduce sexually.
,True
Prokaryote or Eukaryote: Archaea
Prokaryote
Prokaryote or Eukaryote: Yeast
Eukaryote
Prokaryote or Eukaryote: Dog
Eukaryote
Prokaryote or Eukaryote: Tapeworm
Eukaryote
Prokaryote or Eukaryote: Protozoa
Eukaryote
True or False: in the water that Anton Van Leeuwenhoek examined with his hand-
held microscope, he likely saw bacteria and individual water molecules.
False; bacteria are too small to see with this.
2 umm (micrometers) in length
Prokaryote
0.5 mm (millimeters) in length
Eukaryote
100 umm (micrometers) in length
Eukaryote
80 nm (nanometers) in length
Virus
, Name a difference and a similarity between gram positive and gram negative cell
walls.
- Similarity: Both contain peptidoglycan
- Difference: positive has a thick wall, negative thin
Who was the first person (that we know of) to see bacteria?
Anton Van Leeuwenhoek
True or False: Otzi the Iceman was an important discovery because he was so
well preserved that researchers found evidence of his being infected with
bacteria; he also was found with what scientists believe to be a treatment Otzi
was using for his illnesses.
True
According to science and evolution, which of the following were likely the first
life-forms on the planet Earth?
Select one:
a. bacteria and archaea
b. bacteria and helminths
c. bacteria and fungi
d.archaea and helminths
e. archaea and fungi
c. bacteria and archaea
In which of the following domains can you find microorganism species?