Bacteria vs. Viruses

Which of the following best describes structure #10?

• Plasmids
• Flagella
• Spirilla
• Fimbriae

An antibiotic is a drug that selectively kills

• viruses
• bacteria
• fungi
• all of the above

Which statement is true about viruses?

• Viruses can eat and metabolize food.
• Viruses can reproduce only using a host cell.
• Viruses can reproduce on their own at any time.
• Viruses contain DNA, so they are living.

Why are viruses considered pathogens?

• They harm the cells they enter.
• They multiply.
• They use their own energy to develop.
• They make their own food.

One difference between bacteria and viruses is-

• viruses respond to stimuli; bacteria do not.
• bacteria are living organisms; viruses are not.
• bacteria require a host cell to reproduce; viruses do not.
• viruses are composed of cells; bacteria are not.

Tags

NGSS.MS-LS1-1

Which of the following best describes the difference between the genetic material of viruses and bacteria?

• The genetic material of viruses is located on multiple chromosomes, while bacteria have only one.
• The genetic material of viruses always includes both DNA and RNA, while bacteria only have DNA.
• Viruses have less genetic material and fewer genes than bacteria.
• The genetic material of viruses is coiled, whereas the genetic material of bacteria is linear.

AIDS, influenza, and Ebola are examples of diseases caused by microbes called-

• viruses
• parasites
• bacteria
• fungi

Bacteria are considered _________ because their genetic material is not contained in a nucleus.

• carbohydrates
• proteins
• prokaryotes
• eukaryotes

Viruses are considered to be nonliving because they

• cannot multiply
• use energy to grow
• are smaller than bacteria
• do not show all the characteristics of life.

Bacteria contain membrane-bound organelles.

• True
• False