Exam 3: Cellular Form and Function

Sodium and glucose are transported together from the intestinal lumen into an intestinal cell.The carrier protein is a(n)__________ and the process is called ____________.

A receptor protein in the plasma membrane will not bind to just any chemical in the extracellular fluid,but only to certain ones.This property is called _________.

Which of the following is not associated with the composition of the cytoskeleton?

The sodium-potassium (Na⁺-K⁺)pump transports both sodium and potassium __________ their concentration gradients in a process called ____________.

Which organelle synthesizes steroids in the ovary and stores calcium in muscle cells?

Which of the following processes could occur only through the plasma membrane of a living cell?

Membrane proteins that bind to signals by which cells communicate are called __________.

The most abundant molecules in the plasma membrane are __________.

If a cell doubled in diameter,it would have twice as much cytoplasm to maintain.

Which of the following organelles sorts,cuts,splices,and packages newly formed proteins into membrane-bound vesicles?

Accumulated cell products that are never enclosed in a unit membrane are called ____________.

Cells that are thick in the middle and tapered toward the end are called __________ cells.

Which of these brings nonspecific material into a cell?

Na⁺-K⁺ ATPase is a countertransport antiport carrier,which always requires energy.

_____________ is the process in which ____________ forces water and small solutes,such as salts,through narrow clefts between capillary cells.

The term _____________ refers to a membrane that allows some things to pass through it,but not others.

ATP is consumed when __________ transfer solutes from one side of the membrane to the other.

Which of the following is not one of the three basic components of a cell?

The plasma membrane is mostly made of molecules that have hydrophilic heads and hydrophobic tails.These molecules are called _________.

__________ play an important role in cell division,and they are made of __________.