Unit 2 Test Review

Front

What do viruses need to reproduce?

Back

They need a host cell.

Front

What is the capsid made from?

Back

Proteins.

Front

What type of transport requires energy to move solutes against the concentration gradient?

Back

Active Transport.

Front

Which letter on the diagram points to the genetic material of the virus?

Back

b.

Front

What is a key difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack membrane-bound organelles, while eukaryotic cells contain them.

Front

Define a virus.

Back

A virus is a microscopic infectious agent that requires a host cell to replicate.

Front

What are the main components of a virus?

Back

A virus typically consists of genetic material (DNA or RNA) and a protein coat called a capsid.

Front

What is the function of the capsid in a virus?

Back

The capsid protects the viral genetic material and helps the virus attach to host cells.

Front

What is passive transport?

Back

Passive transport is the movement of substances across a cell membrane without the use of energy, typically along the concentration gradient.

Front

What is the role of solutes in cellular processes?

Back

Solutes are substances dissolved in a solution that can affect cell function and transport mechanisms.