CUHSD Biology First Semester Assessment

Front

What structure is found only in plant cells besides chloroplasts?

Back

Cell wall

Front

How is the DNA of a nerve cell different from that of a muscle cell?

Back

The DNA is the same but different genes are turned on in each cell.

Front

How does the liver help regulate glucose levels in the blood?

Back

By storing glucose.

Front

What is the best definition of diffusion?

Back

Molecules moving from an area of high concentration to an area of low concentration.

Front

How many worms were 7.25 cm long if there were 5 worms?

Back

5 worms.

Front

What is the function of mitochondria in a cell?

Back

Mitochondria are the powerhouse of the cell, producing energy through respiration.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis.

Front

What is osmosis?

Back

The movement of water across a semi-permeable membrane from an area of higher concentration to an area of lower concentration.

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus, while eukaryotic cells do.