Biology 12A Questions

#1b- How are archaea and bacteria different?

Archaea are found in extreme environments, bacteria are not. Bacterial cell walls contain peptidoglycan, archaea cell walls contain isoprene. Transcription and translation cell processes are different between the two.

#5- Which type of bacterial genetic replication involves asexual reproduction and is most common in bacteria?

Binary fission

#7- Why are there bad bacteria in the world?

Fall of Man / God's curse on the world

#3- The prefix staphylo- means "cluster". What would Staphylococcus bacteria look like?

Like clusters of grapes (round)

#2- Which two types of archaea thrive in hot environments?

Thermophiles and Acidophiles

#1a- How are archaea and bacteria similar?

They are both prokaryotes They are both decomposers They are both microscopic

#6- How could a harmless bacterium suddenly become capable of producing dangerous toxin?

Transduction / microbiota changes If a bacteriophage comes along and infects the bacterium, the bacterium now has that DNA and may produce more bad bacterium from the bacteriophage