Biology - Viruses and Prokaryotes

Which of the following infectious organisms is the smallest?

• Prion

• Viroid

• Virus

• Bacteria

The genetic material of a virus consists of...

• DNA only

• Capsids

• Surface proteins

• RNA or DNA

What shape is this virus?

• Helical

• Cocci

• Polyhedral

• Bacilli

What structure is labeled C?

• Spike

• Envelope

• DNA

• Capsid

Prions are infectious particles composed of...

• DNA

• Protein

• RNA

• DNA and Protein

A viral capsid is composed of...

• Lipids

• DNA

• Carbohydrates

• Proteins

How does the DNA of a bacteriophage enter a host cell?

• Injection

• Endocytosis

• Conjugation

• Binary Fission

In a lysogenic infection, once the DNA of the virus is incorporated into the bacterial DNA, the DNA is is called...

• Prion

• Viroid

• Prophage

• Plasmid

The enzyme that the HIV virus uses to copy the RNA into DNA is

• Reverse transcriptase

• Peptidoglycan

• Bacilli

• Cyanobacteria

A bacteria that is capable of living in an environment with or without oxygen is called a(an)...

• Obligate Anaerobe

• Obligate Aerobe

• Facultative anaerobe

• Facultative Aerobe

Tags

NGSS.HS-LS2-3