Bacteria and Virus

What shape is bacteria?

• Round

• Straight

• Twisted

• All of these

Tiny single-celled organisms that live almost everywhere

• ribosomes

• cytoplasm

• bacteria

• virus

Tags

NGSS.MS-LS1-1

Bacteria are prokaryotes, meaning they ________.

• lack a nucleus

• are very large

• contain no DNA

• have a cytoplasm

All viruses are different, but what are two parts that a virus must have?

• Genetic Information (DNA or RNA)

• a lipid membrane

• a nucleus

• a protein coat

Which of these statements is true?

• A virus is unicellular, it has only one cell.

• A virus may sometimes be multicellular, have many cells.

• A virus has no cells

When a virus attaches to a host, what does it inject into the host

• protein coat

• Capsid

• DNA/ RNA

• Envelope

Viruses require a host cell to

• Breathe and eat

• Replicate

• Move and sleep

• Make protein and carbohydrates

Which processes allows for the viruses DNA to lay "dormant" or hide in the host DNA while the cell reproduces?

• Lytic

• Lysogenic

• Enveloped

• Capsid

When a virus enters a cell and it immediately makes copies of itself this is called _______________________________.

• remediation

• replica

• replication

As a virus changes over time, it can affect different systems within the organism. This change of the virus is called a _______________.

• mutation

• melanin

• metaphysics

Tags

NGSS.MS-LS3-1