Category 1 Review

Front

What happens to the internal body temperature of mammals during an infection?

Back

It often rises by 2 to 3 degrees Celsius.

Front

How does the body get energy to react to an infection?

Back

By increasing the rate of cellular respiration in mitochondria.

Front

What can be observed in leaf epidermal cells but not in human cheek cells?

Back

Components 3 and 4 only.

Front

What is a key difference between viruses and cells?

Back

Cells reproduce independently, while viruses require a host to reproduce.

Front

In which phase of the cell cycle is DNA replicated?

Back

S Phase.

Front

What happens to heart rates and breathing rates during strenuous exercise?

Back

They significantly increase.

Front

Why do body cells require increased oxygen during exercise?

Back

Because energy is expended.

Front

What is the role of mitochondria in cellular respiration?

Back

They increase the rate of cellular respiration to provide energy.

Front

What are the main components of a cell that can be observed under a microscope?

Back

Cell membrane, cytoplasm, nucleus, and organelles.

Front

What is the function of the cell cycle?

Back

To regulate cell growth, replication, and division.