Exam 6: Cell Membranes

Use the following to answer questions : The graph below shows the relationship between glucose concentration outside a cell and the rate of glucose diffusion across a cell membrane that has carrier proteins to facilitate diffusion. -According to the graph, as the number of glucose molecules increases, the rate of diffusion

Primary and secondary active transport both

Cell adhesion molecules that are responsible for the binding together of mammalian egg and sperm cells are referred to as _______.

Which of the following are not specialized cell junctions?

Membrane segments synthesized on the ER move to other points of the cell in the form of _______.

The hydrophilic regions of a membrane protein are most likely to be found

Barrier formation is only one function of the cell membrane. Describe some other functions of the membrane and discuss how the membrane is suited for those functions.

Which of the following statements about peripheral membrane proteins is true?

If a red blood cell is placed in an isotonic solution, it will

Which of the following is an example of passive transport?

The ability of some materials to move through biological membranes more readily than through others is called _______.

In which of the following is solution X hypotonic relative to solution Y?

An important function of specialized membranes found in certain organelles is to

One result of the movement of ions through ion channels is the creation of a membrane potential. The membrane potential is

Which of the following cell membrane components serve as recognition signals for interactions between cells?

Which of the following statements regarding cellular membranes is false?

Which of the following functions as a recognition signal for interactions between cells?

The processes of cell recognition and cell adhesion are dependent upon _______ proteins.

Which statement about osmosis is not true?

Muscle cells recognize and adhere to one another because of specific membrane proteins called