_______________________ epithelium provides a moist and slippery surface and is well suited to resist stree, as in the ____________________.

21. What is the net movement of substances to regions of lower concentration called?  

39. Membrane fluidity is affected by  

_______________ is the study of form.

40. THINK: Incubation of cells at 20°C blocks the release of proteins from the trans-Golgi. Under such conditions, you would expect to see  

The sequence of nucleotides in a DNA molecule is called the ________ code.

13. In eukaryotes, mitochondria are the organelles primarily involved in:  

26. Membrane proteins that are very soluble in water are known as _____________________ .

36. Facilitated diffusion is an important method for cells in obtaining necessary molecules and removing other ones. Requirements for facilitated diffusion include  

The four primary tissue types found in adult organs include all of the following except