Book A Chapter 2 Viruses and Bacteria

Why are viruses considered non-living?

• They cannot move

• They cannot make more viruses

• They do not use energy to grow

• They are microscopic

What is the difference between an active virus and a hidden virus?

• an active virus is active right away, and a hidden virus is always hidden

• an active virus is active right away, and a hidden virus is inactive for awhile

• a hidden virus is active right away, and an active virus is always hidden

• a hidden virus is active right away, and an active virus is inactive for awhile

Which of the following is not a virus?

• distemper (rabies)

• cold sore

• Influenza (flu)

• Lyme's disease

Who discovered the first bacteria and how?

• Francesco Redi, by looking at scrapings from his teeth

• Francesco Redi, by doing an experiment with flies and meat

• Anton Von Leeuwenhoek, by looking at scrapings from his teeth

• Anton Von Leeuwenhoek, by doing an experiment with flies and meat

What does the cell wall do for a bacteria cell?

• makes protein

• allows material to pass in and out of the cell

• helps the cell move by spinning

• protects the cell

Tags

NGSS.MS-LS1-2

What's the difference between binary fission and conjugation?

• binary fission when genetic material is passed from on bacterium to another

• conjugation is when one cell splits to form two identical cells

• both answers are correct

• both answers are incorrect

Tags

NGSS.MS-LS3-2

Which is not a way bacteria are helpful?

• gene therapy

• food production

• environmental recycling

• making fuel, such as natural gas

Which is not a way infectious diseases spread?

• contact with a contaminated object

• contact with an animal

• contact with a healthy person

• contact with environmental sources

What do medications do to illnesses cause by bacteria and viruses?

• medications, like antibiotics, can cure viral infections, but not bacterial infections

• medications, like antibiotics, can cure bacterial infections, but not viral infections

• medications, like antibiotics, can cure both viral and bacterial infections

• medications, like antibiotics, can cure neither viral and bacterial infections

Which of the following is not a way to stay healthy?

• eating nutritious food

• getting plenty of sleep

• wash your hair often

• getting vaccinations

Tags

NGSS.MS-LS1-7