Download Virus and Bacteria Review

Viral/Bacteria Review

• How do viruses reproduce?

• Through lytic or lysogenic infection

• What are the differences between a lytic and a lysogenic infection?

• Lytic is fast working whereas, lysogenic can remain dormant for awhile.

• How do bacteria reproduce?

• Binary fission • conjugation

• What makes up a virus?

• A protein coat with either RNA or DNA

• What makes up a bacteria?

• DNA with cell organelles • Maybe a flagella or cilia • Cell membrane, some have cell walls

• How do viruses get their food?

• They don’t they are not alive

• How do bacteria get their food?

• Either as an autotroph or a • heterotroph

• What are the two ways of a bacteria getting their food as an autotroph?

• Either through sunlight or chemicals

• What are the differences between the shapes of viruses and bacteria?

• • • •

Viruses are geometric and bacteria are either: Bacilli- rod shaped Cocci- round shaped Spirilli- spiral shaped

• Name viral diseases

• • • • • • • • •

Smallpox Polio Measles AIDS Mumps Influenza Yellow fever (mosquito born) Rabies (bite from animal) Common cold

• Name bacterial diseases

– Salmonella – Strep throat – Typhoid Fever – Diptheria – Tuberculosis – Tetanus – Leprosy – Syphilis

Cholera Bubonic Plague

• What good things come from bacteria?

• Food products such as cheese and yogurt • They help break down food in the intestines

• What two main groups of bacteria are there?

• Archaebacteria and Eubacteria

• Where will you find methanogens?

• In the intestines of cows

• Where will halophiles and thermophiles be found?

• Salt water and hot water sources