quiz 4

Question 1

Which of the following is not present in in both eukaryotes and prokaryotes?
A. ribosomes
B. cell membrane
C. mitochondria
D. flagella
E. cell wall

Answer 1

C. mitochondria

Question 2

Two forms of fungi are ___ and ___.
A. coccus; bacillus
B. yeast; mycelia
C. trophozoite; cyst
D. icosahedral; helical
E. eukaryotic; prokaryotic

Answer 2

B. Yeast; mycelia

Question 3

The function of bacterial endospores is…
A. conversion of gaseous nitrogen to a usable form for plants
B. reproduction and growth
C. protection of genetic material during harsh conditions
D. storage of excess cell materials
as sites for photosynthesis

Answer 3

C. protection of genetic material during harsh conditions

Question 4

The scientist/s who proposed that organisms be assigned to one of three domains is/are…

Answer 4

Carl Woese and George Fox

Question 5

The motile, feeding stage of protozoa is called the…
A. trophozoite
B. cyst
C. sporozoite
D. oocyst
E. mycelium

Answer 5

A. trophozite

Question 6

The site/s for most energy production (ATP synthesis) in prokaryotic cells is/are the…
A. ribosomes
B. mitochondria
C. cell wall
D. chloroplasts
E. cell membrane

Answer 6

E. cell membrane

Question 7

Two major structures that allow bacteria to adhere to surfaces are ___ and ___.
A. pili; ribosomes
B. fimbrae; capsules
C. lipopolysaccharides; techoic acids
D. actin filaments; phospholipid membranes
E. endospores; metachromatic granules

Answer 7

B. fimbrae; capsules

Question 8

Which type of medium is used to distinguish different species or types of microorganisms based on an observable change in the colonies or in the medium?
A. differential
B. selective
C. spiritual
D. enriched
E. reducing

Answer 8

A. differential