Group 4 (06/11/2023)

Conditions for an organism such as Vibrio to emit visible light?

• gene luxCDABE

• Luciferase

• O2

• high population density

Example of saprophytical bioluminescence

• spoilage on dead fish's skin

• Anglerfish's esca

• bobtail squid's glowing mantle

• VIBRIOSIS

PERIPLASMIC predators characteristics

• invade and replicate in the cytoplasm

• 1 thick flagellum, forming bdelloplast

• use swarming behavior to find preys

• have fruiting bodies

What is the most typical electron donor during oxygenic photosynthesis?

• CH4

• SO4

• H2O

• H2S

The green sulfur bacterium, Chlorobium, uses the reverse citric acid cycle as a method to fix

In most cases, the final product of sulfur oxidation is

• So

• SO4 (2-)

• H2S

• S2O3 (2-)

Thiobacillus ferroxidans

• oxidize ferrous iron

• can oxidize H2S

• is an acidophile

• all of the above

Denitrification involves reduction of nitrate, and the production of

• NO

• N2O

• N2

• all of the above

Denitrification involves reduction of nitrate, and the production of

• NO

• N2O

• N2

To use CO2 as the sole carbon source, ---- is/are absolutely required