Cells Regents Review

Front

What is the function of the cell membrane?

Back

The cell membrane regulates what enters and exits the cell, playing a crucial role in maintaining homeostasis.

Front

What is a vacuole and its role in single-celled organisms?

Back

A vacuole is a storage structure in single-celled organisms that holds materials such as nutrients, waste products, and water.

Front

How do you measure the diameter of a cell under a microscope?

Back

The diameter of a cell can be estimated by comparing it to a known scale or using a micrometer.

Front

What is homeostasis in the context of single-celled organisms?

Back

Homeostasis is the ability of a single-celled organism to maintain a stable internal environment despite external changes.

Front

What are the levels of organization in living things?

Back

The levels of organization include cells, tissues, organs, organ systems, and organisms.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis in the cell.

Front

What is the nucleus and its function?

Back

The nucleus is the control center of the cell, containing genetic material (DNA) and regulating cell activities.

Front

What is the function of chloroplasts?

Back

Chloroplasts are organelles in plant cells that conduct photosynthesis, converting light energy into chemical energy.

Front

What is the difference between unicellular and multicellular organisms?

Back

Unicellular organisms consist of a single cell, while multicellular organisms are made up of multiple cells that work together.

Front

What is an organelle?

Back

An organelle is a specialized structure within a cell that performs a specific function.