2nd Q Final Exam

What usually hinders the growth of bacteria?

• build up of wastes

• unlimited food supply

• other bacteria

• nutrients from agar

What is an identifying characteristics of a bacteria?

• prevented by vaccines

• No treatment, rest.

• both helpful and harmful

• DNA/RNA

Which statment below correctly identifies the reason why viruses are not considered alive?

• They have DNA and RNA

• They have a protein coat

• They are really small

• They need a host cell to reproduce

How do bacteria help humans?

• By aiding with digestion

• By causing disease

• By giving us vaccines

• By usuing us as a host cell

What is the function of a capsid?

• To cover a bacteria for reproducing

• To surround a virus with protein

• To allow only some things in

• To kill mold and yeast spores

The key words to identify an epidemic is?

• Worldwide

• multiple continents at the same time

• a certain region or a few states

• largest

What type of infection is controlled with antibiotics?

• Viral disease

• Fungal disease

• Parasitic infection

• bacterial only

What could move an epidemic to a pandemic?

• International travel

• large population in an area

• City buses

• animal feces

What type of illness is prevented by a vaccine?

• Bacteria

• Virus

• Parasite

• Fungus

Which condition below contributes to good health?

• properly functioning immune system

• living in close proximity to eachother

• dirty home

• a sedentary lifestyle