Unit 13 - Classification Test Review

Reasons that viruses are considered to be nonliving is because

• They are not cellular
• They cannot reproduce on their own
• They cannot make proteins
• all of the above

What do viruses need to reproduce?

• they need genetic material
• They need a host cell
• They need  bacteria
• They need insulin

What does a virus have on the outside?

• a protein coat
• a fur coat
• crispy skin
• membrane

What does a virus have on the inside?

• DNA, but never RNA
• RNA but never DNA
• DNA or RNA
• neither DNA or RNA

A(n) _____ is a virus that enters a bacterial cell.

• endospore
• decomposer
• plasmid
• bacteriophage

The lysing of a cell occurs in which phase?

• 1
• 2
• 4
• 5

This image represents part of the

• lytic cycle

• lysogenic cycle

Which of the following occurs after a virus attaches to a host cell in the viral reproduction process?

• The host cell dies
• The virus dies
• The virus inserts its genetic information into the host cell
• copies of the virus are immediately released from the host

Viral DNA that is integrated into a host cell's chromosome in the lysogenic cycle

• Provirus

• Virus

• Bacteriophage

• Prion

A virus that has RNA as its genetic material is known as a ___________.

• CRISPR

• viroid

• bacteriophage

• retrovirus