Exam 3: Cellular Form and Function

What function would immediately cease if the ribosomes of a cell were destroyed?

Most human cells range from 10 to 15 micrometers in diameter.What limits how large a cell can get?

Although the transmission electron microscope (TEM)can magnify much more than a light microscope,even at identical magnifications the TEM has the advantage of __________.

__________ synthesize(s)carbohydrates and put(s)finishing touches on proteins synthesized at __________.

Which of the following organelles is not involved in protein synthesis?

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

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 ____________.

In the plasma membrane,glycolipids and glycoproteins face toward the cytoplasm,while peripheral proteins always face toward the ECF.

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

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

The number of particles of a solute in a solution is described by its ____________.The ability of a solution to affect the fluid volume in a cell is referred to as its __________.

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

Which of the following statements is not a tenet of modern cell theory?

White blood cells engulf bacteria by means of __________.

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

In its second-messenger role,cAMP activates enzymes called _________,whose job is to regulate other enzymes by adding phosphate groups to them.

Insulin is taken up,via endocytosis,by the endothelial cells that line blood capillaries.Then,it's transported across the cell to the other side,where it is released.This transport is called __________.

One example of pinocytosis is the uptake of low-density lipoproteins (LDLs)by endothelial cells.

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

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