8.L.1-8.L.2

Devil facial tumor disease (DFTD) is a disease that is decimating the population of Tasmanian devils. The disease passes from one animal to another through bites and is caused by parasites. The parasites cause cancerous tumors that spread throughout an infected animal's body and kill it. What is the BEST description of DFTD?

• a non-infectious, cell-cycle disease

• an infectious, cell-cycle disease

• a non-infectious, chronic disease

• an infectious, chronic disease

Tags

NGSS.HS-LS4-5

Which sentence BEST describes a pandemic?

• The disease causes high fever and vomiting.

• The disease passes through direct contact with an infected person.

• The disease is fatal if not treated immediately.

• The disease has spread to every country in the Northern Hemisphere.

Which disease is correctly paired with the cause of the disease?

• athlete’s foot - fungi

• malaria - viruses

• influenza - bacteria

• pneumonia - protists

Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick?

• contact with environmental sources

• contact with an infected animal

• contact with a contaminated object

• contact with an infected person

Which statement BEST explains why viruses can only reproduce within a host?

• Viruses lack the genes necessary for transcription.

• Viruses need the host to provide nutrients.

• Viruses need the host cell to break down their cell membranes.

• Viruses lack the ribosomes necessary to make their own proteins.

The symptoms of strep throat infection are a red and swollen throat. What is the MOST likely cause of strep throat?

• eating raw vegetables

• drinking lemonade

• invading bacteria

• running in cold weather

Which characteristic of bacteria makes it useful in producing medications?

• Bacteria have spiral shapes.

• Bacteria multiply very rapidly.

• Bacteria are larger than viruses.

• Bacteria are rod-shaped structures.

HIV is a retrovirus. Which sequence does it use as part of its reproductive cycle?

• RNA → DNA → RNA → protein

• protein → DNA → RNA → DNA

• DNA → RNA → DNA → protein

• RNA → protein → RNA → DNA

Malaria is a common disease in many countries. What is the cause of this disease?

• a virus

• a bacterium

• a fungus

• a parasite

Which structure does a virus have in common with a prokaryotic cell?

• cell wall

• nucleic acid

• ribosome

• capsid