Glycoproteins are important for a. binding hormones. b. cell recognition by the

Question

Glycoproteins are important for a. binding hormones. b. cell recognition by the immune system. c. forming ion channels. d. active transport through the membrane Diffusion a. is always facilitated. b. occurs by active transport. c. is increased when temperature increases. d. requires aquaporin proteins Which of the following is not true of endocytosis? a. It is a form of passive transport. b. It includes pinocytosis c. It can occur in coated pits. d. It is used by Amoeba to feed on Paramecium 5. Fill-in-the-Blank 1. Membranes consist of a bilayer of The five major categories of protein within the bilayer are and proteins. 2. A membrane that is permeable to some substances but .The not to others is described as being movement of a substance through a membrane down its concentration gradient is called applied to water, this process is called Channels that are specific for water are called The process that moves substances through a membrane against their concentration gradient is called When 3. Facilitated diffusion involves either proteins or proteins. Diffusion directly through the diffusion, phospholipid bilayer is called and molecules that take this route must be soluble in or be very small and have no net electrical charge 4. The three types of cell attachment structures in animal cells , and are The structures that interconnect plant cells are called

Explanation / Answer

3. Cell recognition by the immune system.

4. Is increased when temperature increases.

5. It is a form of passive transport.

Fill in the blanks

Enzymes, receptor protein, recognition protein, transport protein, glycoproteins.

   

Diffusion

             Osmosis

             Aquaporins

             Diffusion

Simple diffusion

plasmodesmata ( interconnect plant cells)

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