Bacteria and Virus

Question 1

Prokaryote

Answer 1

single celled organism that does not have a nucleus or organelles

Question 2

Bacilli

Answer 2

a rod shaped disease causing bacterium. gram positive bacteria

Question 3

Cocci

Answer 3

A sphere shaped bacteria

Question 4

Spirilla

Answer 4

bacteria with a rigid spiral structure found in stagnant water, sometimes causes disease

Question 5

Binary Fission

Answer 5

asexual reproduction in which an organism duplicates its DNA, divides into two parts with each new organism receiving one copy of DNA

Question 6

Endospore

Answer 6

A differentiated cell formed within cells of some gram positive bacteria that are extremely resistant to heat and other harmful conditions and agents

Question 7

Nitrogen fixation

Answer 7

the process by which atmospheric nitrogen is converted by either a natural or industrial means to a form of nitrogen such as ammonia

Question 8

Bioremediation

Answer 8

a process that uses microorganisms or their enzymes to treat polluted sites for regaining their original condition

Question 9

Antibiotic

Answer 9

Any substance that inhibits the growth and replication of a bacteria

Question 10

Pathogenic bacteria

Answer 10

bacteria that can cause disease

Question 11

Virus

Answer 11

a submicroscopic infectious agent replicates only inside the living cells of an organism

Question 12

host

Answer 12

a larger organism that harbours a smaller organism that provides nourishment and shelter.