Exam 2: Cell Physiology

Describe the pathway that newly synthesized polypeptides take en route for secretion.

Match the terms, labelled a. through f., to their correct descriptions. (Options may be used more than once or not at all.) -responsible for cell shape and movement

Which statement does NOT describe the plasma membrane

An increase in the size of the ____________________ of a nerve fibre increases its rate of conduction.

What does chemiosmosis do

Gap junctions function as channels between cells.

Match the vesicles, labelled a. through c., with their characteristics. (Options may be used more than once or not at all.) -fuse with and enter the Golgi complex

Match the terms, labelled a. through d., to their descriptions. (Options may be used more than once or not at all.) -present in parts of the cell subject to mechanical stress

The refractory period limits the frequency of action potentials.

A single synaptic knob contains two different transmitters-one that produces EPSPs and one that produces IPSPs.

Hockey is a winter sport that uses only an aerobic energy supply.

Oxygen enters the blood from the lungs by net diffusion.

The ____________________ ER is the central packaging and discharge site for molecules to be transported from the ER.

All cell organelles are renewable.

Match the terms, labelled a. through f., to their correct descriptions. (Options may be used more than once or not at all.) -permit incompatible chemical reactions to occur simultaneously in the cell

Describe the differences between rough ER and smooth ER.

A single nerve cell, also called a(n) ____________________, typically consists of the following three basic parts: ____________________, ____________________, and ____________________.

Which of these statements describes NADH

The axon hillock occurs between the cell body and the axon of a neuron.

Match the terms, labelled a. through d., to their descriptions. (Options may be used more than once or not at all.) -organizes the glycolytic enzymes in a sequential alignment