Final Exam Review Ch 6-10

Front

What is the primary function of gap junctions between adjacent cells?

Back

To facilitate communication through ions and small molecules.

Front

What type of energy is referred to as the energy of movement?

Back

Kinetic energy.

Front

What is the primary function of carrier proteins in the cell membrane?

Back

To bind some substances and speed their diffusion through the bilayer.

Front

What happens to enzyme activity as it reaches the optimal temperature?

Back

It increases to maximum rate.

Front

Which molecule is regenerated in the ATP cycle?

Back

ADP + Pi.

Front

Define gap junctions.

Back

Specialized intercellular connections that facilitate communication between adjacent cells.

Front

What is kinetic energy?

Back

The energy possessed by an object due to its motion.

Front

Explain the role of carrier proteins in cellular transport.

Back

Carrier proteins bind specific substances and assist their movement across the cell membrane.

Front

What is the optimal temperature for enzyme activity?

Back

The temperature at which an enzyme's activity is at its highest.

Front

Describe the ATP cycle.

Back

The process of ATP being converted to ADP + Pi and then regenerated back to ATP.