Unit 13/14 - Germ Theory, Bacteria, and Viruses/Protists

Which of these could be successfully treated with antibiotics?

• Strep throat

• HIV

• Influenza

• Common Cold

Which of the following is NOT an infectious disease?

• Influenza

• AIDS

• Cancer

• Small Pox

Chemical compounds that are lethal to bacterial cells but do not harm the cells of humans and other animals are called -

• herbicides

• antibiotics

• insecticides

• antiviral drugs

The germ theory of disease states that infectious diseases are caused by -

• Microorganisms

• Toxins

• Chemicals

• Karma

Tags

NGSS.HS-LS2-6

Which best describes the basic structure of a virus?

• Nucleic acid strand surrounded by a protein coat

• A tail surrounded by a protein coat

• Nucleic acid strand surrounded by a rain coat

• A tail surrounded by a carbohydrate coat

When a person receives a vaccine for a disease, his or her body -

• begins to fight the infections caused by the pathogens

• begins to produce antibodies against the specific pathogen

• receives antibodies against the specific pathogen

• watches the Friends series all the way through

Students research unicellular, prokaryotic organisms that live in harsh environments such as volcanic hot springs, brine pools, and anaerobic black organic mud. Which of these groups are the students most likely researching?

• Bacteria

• Archaebacteria

• Eukarya

• Animalia

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is NOT a way in which bacteria are beneficial to humans?

• Is used in synthesizing drugs

• Aids in digestion in intestinal tracts

• Is a source of disease

• Aids in clean up of small oil spills

Some unicellular organisms are motile and some are nonmotile. Which cellular structure are associated with movement?

• Flagella

• Vacuoles

• Chloroplasts

• Ribosomes

Alexander Flemming, in the 1920's, discovered mold accidentally growing on one of his Petri dishes that had anti-bacterial activity. This discovery lead directly to the -

• publication of the germ theory

• use of penicillin

• sanitation of surgical equipment

• invention of pasteurization