Virus Review

Which statement regarding viruses is true?

• a virus can only reproduce inside of a living cell
• viruses do not contain DNA
• viruses are unicellular
• viruses are generally larger than cells

What feature do viruses have in common with animal cells?

• ability to form proteins at the ribosomes
• existence of lipids in cell membranes
• presence of genetic code in nucleic acid
• production of energy by a mitochondrion

Which best describes the basic structure of a virus?

• nucleic acid strand surrounded by a protein coat
• a tail surrounded by a protein coat
• a tail surrounded by a carbohydrate coat
• nucleic acid strand surrounded by a carbohydrate coat

All viruses contain-

• nucleic acids
• ribosomes
• mitochondria
• cytoplasm

What do viruses need to reproduce?

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

Viruses are made up of

• Nucleus, membrane
• Capsid, nucleus
• Capsid, nucleic acid
• Mitochondria, nucleus

The two components of a virus are nucleic acid and __________.

• protein

• carbohydrates

• lipids

• glucose

A virus is

• living

• non living

• dead

Viruses need a ____________ in order to make copies of themselves.

• bacterial cell

• host cell

• capsid

• vaccine

Virus' genetic information contains the code to:

• make copies of itself

• obtain and use energy

• reproduce

• grow and develop