What is the distinction between bacteria and viruses?
a. Bacteria, composed only of DNA/RNA plus a protein coat, require a host so that the bacteria can grow and divide; viruses are single-celled microorganisms that do not require a host to grow and divide.
b. Bacteria are single-celled microorganisms that do not require a host to grow and divide; viruses, composed only of DNA/RNA plus a protein coat, require a host so that the virus can grow and divide
c. Both bacteria and viruses require a host so that they can grow and divide, but only viruses are composed of DNA/RNA and contain a protein coat.
d. Both bacteria and viruses are single-celled microorganisms that do not require a host to grow and divide, but only viruses are composed of DNA/RNA and contain a protein coat
Question 2
____ has the highest sexually transmitted infection rate in the industrialized world.
a. Denmark c. The U.S.
b. Brazil d. Canada
Some viruses that cause human diseases.
Relationships and diversification of the Bacteria and Archaea.
Moss methane eating bacteria
Staph Aureus bacteria
Gram Postive & Gram Negative Bacteria
Biosynthesis of methionine and threonine from homoserine, as it occurs in plants and bacteria