• University of Waterloo

• BIOL 240

BIOL 240 MIDTERM REVIEW QUESTIONS

1. Which of the following describes all microscopic life, but does not include viruses?

a) Microorganisms

b) Microbe

2. Which is NOT the discovery these scientists are famous for:

a) Hooke – first saw microbes

b) Pasteur – disproved spontaneous generation

c) Koch – bacteria that cause ulcers

d) Woese – Archaea

3. Robert Hooke was the first to give a description of a microbe. What form of ekaryotic

cells did he observe through his microscope?

a) Algae

b) Bacteria

c) Fungus

d) Protozoa

e) None of the above

4. How many peptides in this capsid (20-sides die)

a) 20

b) 40

c) 60

d) 80

e) 100

5. the main function of bactoprenol in the formation of the bacteria cell wall is

a) to attach the N-actylmuramic acid to UDP

b) to attach the peptide chain through cross-linkage

c) To flip the pentapeptide precursor to the periplasm

d) To add disaccharides to existing peptide chains

6. which of the following statements about archaea is true?

a) Archaea share similar plasma membrane to bacteria

b) Archaea have multiple organelles that are found in all species

c) Archaea share a similar RNA polymerase to the eukaryal RNA polymeras II

d) All archaea have pseudopeptidoglycan

7. Which of the following appropriately ranks taxonomy levels from highest to lowest?

a) Phylum – Order – Class – Family – Genus – Species

b) Phylum – Class – Order – Family – Genus – Species

c) Phylum – Class – Order – Species – Family – Genus

d) Phylum – Genus – Class – Order – Family – Species