4. phospholipids 30) Micelles,liposomes and phospholipid bilayers form 1. by rea

Question

4. phospholipids 30) Micelles,liposomes and phospholipid bilayers form 1. by reaction of phospholipids with water 2. spontaneously after mixing phospholipids and water 3. after adding energy to a system containing phospholipids and water 4. in order to prevent phospholipids interacting with water 31) Which of the following is not an important function of the cell membrane? 1. to regulate exchange the environment 2. to store energy in the form of phospholipids 3. to provide physical isolation 4. to allow sensing the extracellular environment 32) Which type of membrane protein allows water and ions to pass through the cell membrane? 1. receptor proteins 2. carrier proteins 35% channel 4. integral proteins proteins 33) How would you name a large protein bound to a small glycan group? 1. integral protein 2. proteoglycan 3. glycoprotein 4glucoprotein 34) Microvilli contain 1. 2. 3. a core made of actin and play a role in cell movement a core of microtubules and play a role in cell division and organelle movement a core of tubulin and play a role in moving th fluid that surrounds cells in organs such as the trachea a core of microfilaments and increase surface area in order to facilitate absorption 4. (carp/o)

Explanation / Answer

30.2.spontaneously after mixing phospholipids with eater

31.store energy in the form of phospholipids

32.channel proteins

33.proteoglycans

34.a core of microfilaments that increases surface area to facilitate absorption

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