Sem 1 7th grade final exam study guide

Front

What is the main difference between the nervous system and the endocrine system?

Back

The endocrine system responds slowly compared to the nervous system.

Front

Which molecule is essential for photosynthesis?

Back

Carbon dioxide (CO2) is needed for photosynthesis to occur.

Front

What does the cell cycle refer to?

Back

The cell cycle is a repeating series of stages a dividing cell goes through.

Front

Which of the following is classified as an organism?

Back

Bacteria is an organism.

Front

What provides instructions for a prokaryotic cell's living and growth processes?

Back

DNA provides instructions to a prokaryotic cell.

Front

What is the role of DNA in living organisms?

Back

DNA contains the genetic instructions for the development and functioning of living organisms.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What are the two main types of cells?

Back

The two main types of cells are prokaryotic and eukaryotic cells.

Front

What is the function of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis in a cell.

Front

What is the significance of the cell membrane?

Back

The cell membrane controls the movement of substances in and out of the cell.