Unit 2- Microbiology Flashcards
(11 cards)
A virus which attaches its DNA to the DNA of the host cell then lies dormant and allows the cell to reproduce for a period of time is called _______
Lysogenic
The outer coating of a virus is made of what?
Proteins
True or false: are viruses alive?
False
What are the human body’s two main nonspecific defenses against infection?
Skin and mucous membranes
Is measles causes by a virus or bacteria?
Virus
Why do antibiotics work against bacterial infections but not viral ones?
Antibiotics can only work to kill something that is alive, viruses are not alive so therefor they cannot be “killed”.
True or false: vaccines strengthen white blood cells which devour viruses.
False
What is the main defining feature of kingdom Monera?
They don’t have a membrane bound nucleus and organelles.
Why are Cyanobacteria similar to plants?
They use photosynthesis to produce their food like plants.
Botulism is a form of food poisoning that ______
Results in paralysis
A vaccine works by stimulating the immune system to ______
Form antibodies
