Biology STAAR Category 1 Review

Front

What is the only characteristic shared by living cells and viruses?

Back

The presence of nucleic acid.

Front

What are organic macromolecules composed of chains of amino acids that form the structural components of organisms?

Back

Proteins.

Front

What occurs during the S phase of the cell cycle?

Back

Replication of the DNA.

Front

What is the diffusion of water through a semi-permeable membrane called?

Back

Osmosis.

Front

What stage of mitosis is characterized by the separation of sister chromatids?

Back

Telophase.

Front

What is the basic unit of life?

Back

The cell.

Front

What is the function of ribosomes in a cell?

Back

To synthesize proteins.

Front

What is the role of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What is the process by which cells convert glucose into energy?

Back

Cellular respiration.

Front

What are the four main types of organic macromolecules?

Back

Carbohydrates, proteins, lipids, nucleic acids.