ACA Term 2 Test Review

Front

What happens to an animal cell placed in a hypertonic (salty) solution?

Back

The cell shrinks and gets smaller.

Front

What provides evidence that prokaryotes evolved before eukaryotes?

Back

Prokaryotes have no nucleus and fewer genes.

Front

Why do viruses have projections on their surface?

Back

To attach to the host cell.

Front

How is the information in a DNA molecule expressed in an organism?

Back

Through proteins.

Front

What is true about viruses?

Back

A virus can only reproduce inside of a living cell.

Front

Define hypertonic solution.

Back

A solution with a higher concentration of solutes compared to another solution.

Front

What is the main difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus, while eukaryotic cells have a nucleus.

Front

What role do proteins play in the expression of genetic information?

Back

Proteins are the end products of gene expression and perform various functions in the cell.

Front

What is the structure of a virus?

Back

Viruses consist of genetic material (DNA or RNA) surrounded by a protein coat.

Front

What is the function of RNA polymerase?

Back

RNA polymerase synthesizes RNA from a DNA template.