Bacteria and Viruses

A typical _____ is composed of a DNA/RNA molecule and a capsid.

• Bacteria
• Fungus
• Virus
• Protist

In the ___ cycle(s), the host cell breaks open and releases the newly created viruses.

• Lytic
• Lysogenic
• TCA
• Binary Fission

What structure is used for movement?

• Ribosomes
• Pillus
• Flagella
• Fimbriae

A virus enters an animal host cell by which of the following techniques?

• It uses exocytosis to move across the cell membrane
• It rips into the cell wall
• Punches a hole in the cell membrane
• Injects its genetic material into the cell

Which of the following is true about antibiotics?

• Antibiotics are ineffective against bacteria, but are effective against viruses
• Antibiotics are effective against both bacteria and viruses
• Antibiotics are effective against bacteria, but not against viruses
• Antibiotics are not effective against either bacteria or viruses

What does a virus need to reproduce?

• Genetic material
• Host cell
• Bacteria
• ATP

HIV is an example of which type of virus?

• Enveloped
• Helical
• Phage
• Retrovirus

The bacteriophage shown in the picture is demonstrating the lytic cycle.  What is the end result of the lytic cycle?

• More capisd
• Increase viral genome size
• More viral particles
• Loss of proteins

The process of transduction involves the passing of genetic information through which process?

• Naked DNA in the environment
• A virus
• Sexual reproduction across a pilli
• Asexual reproduction

What is necessary for a bacteria to engage in conjugation with another bacteria?

• Fimbriae
• F plasmid
• R plasmid
• Flagella