 1 Show What is the outer boundary of the cell? 2 Which of the following is NOT a characteristic of an animal plasma membrane? 3 Which of the following describes the fluid-mosaic model of the plasma membrane structure? 4 Which of the following statements is NOT correct regarding the plasma membrane structure? 5 Which of the following statements is NOT correct about the phospholipid molecules in the plasma membrane? 6 Which of the following statements is NOT correct about the phospholipid molecules in the plasma membrane? 7 Which of the following molecules would NOT be found in animal plasma membranes? 8 Which molecule in animal plasma membranes reduces the permeability of the membrane to most biological molecules? 9 All proteins located on the external surface of the plasma membrane are solidly held in place by cytoskeleton filaments. 10 The various functions of the plasma membrane are largely determined by the plasma membrane proteins. 11 The basic structure of the plasma membrane is determined by the proteins present. 12 Phospholipids have hydrophilic and hydrophobic regions. 13 The phospholipid bilayer has a solid consistency. 14 Which type of protein in the plasma membrane has carbohydrate attached to it so that cells can be distinguished from each other? 15 If a particular protein was identified in the plasma membrane to cause organ transplant rejection, such a protein would be considered a(an) ______ protein. 16 Which protein is used to identify the cell? 17 A failure of the ______ protein can result in cystic fibrosis. 18 A ______ protein allows a particular molecule or ion to freely cross the plasma membrane as it enters or exits the cell. 19 A ______ protein combines with a substance and helps to move it across the membrane. 20 A ______ protein has a specific shape such that only a particular molecule can bind to it. 21 A hormone such as insulin acts by attaching to _____ proteins in the plasma membrane and increasing the glucose carriers present. 22 Sodium and potassium ions are transported across the plasma membrane by a ______ protein. 23 Pygmies are short because 24 A(An) ______ protein in the plasma membrane carries out metabolic reactions. 25 Which statement best describes the plasma membrane? 26 Which of the following statements is NOT correct about the plasma membrane? 27 Which of the following is NOT an active method where molecules pass across the plasma membrane? 28 Lipid-soluble molecules, such as alcohols, cannot diffuse through the plasma membrane. 29 The greater the amount of lipid in a molecule, the easier it is for that molecule to pass through a plasma membrane. 30 The plasma membrane, because of the channel proteins, is said to be freely permeable. 31 Macromolecules can freely cross a plasma membrane. 32 Pinocytosis is a type of ______. 33 ______ is the net movement of any type of molecule from a region of higher concentration to a region of lower concentration. 34 Which of the following conditions does NOT apply to diffusion? 35 Crystals of dye, when placed in a beaker of water, eventually spread evenly throughout the water. This is an example of ______. 36 A dye is dissolved in water. The ______ is the solute and the solvent is the ______ molecules. 37 Lipid-soluble molecules and gases enter the cell by ______. 38 Oxygen enters the blood from the alveoli in the lungs by the process of ______. 39 Oxygen ______ the air sacs(alveoli) of the lungs (relative to the surrounding blood) whereas carbon dioxide ______ the air sacs from the blood supplying the lungs. 40 Water passes into and out of cells through the ______. 41 The diffusion of water across a differentially permeable membrane is called ______. 42 Suppose a thistle tube containing a 10% sugar solution is covered at one end by a membrane and is placed in a beaker containing a 5% sugar solution. Which of the following conditions must NOT exist for water to enter the tube by osmosis? 43 Suppose a thistle tube containing a 10% sugar solution is covered at one end by a differentially permeable membrane and is placed in a beaker containing a 5% sugar solution. What will happen to the water? 44 A thistle tube containing a 5% sugar solution is covered at one end by a differentially permeable membrane and is placed in a beaker containing a 10% sugar solution. What will happen to the volume in the thistle tube? 45 A 10% sugar solution will contain ______. 46 Suppose a thistle tube containing a 10% sugar solution is covered at one end by a differentially permeable membrane and is placed in a beaker containing a 5% sugar solution. Which of the following statements is NOT correct? 47 Tonicity refers to the ______. 48 Which type of solution will have the same solute concentration on both sides of the cell membrane? 49 Which type of solution will cause cells to swell, or even to burst? 50 Which type of solution will have a higher percentage of solute than the cell? 51 Which type of solution has a lower percentage of solute than the cell? 52 Which type of solution will cause cells to shrink or to shrivel? 53 Which type of solution will cause an increase in turgor pressure? 54 Which type of pressure is responsible for the maintenance of a plant's erect position? 55 Which organelle in a plant cell fills with water as turgor pressure develops? 56 Which structure prevents the plant cell from bursting when placed in a hypotonic solution? 57 Which term describes the condition of red blood cells when placed in a hypertonic solution? 58 Which term best describes the condition of red blood cells when placed in a hypotonic solution? 59 Which term best describes the condition of plant cells when placed in a hypertonic solution? 60 Which of the following conditions results in chloroplasts being seen in the center of a plant cell rather than at the periphery? 61 Which of the following solutions is isotonic to red blood cells? 62 Which of the following solutions is hypotonic to red blood cells? 63 Which of the following solutions is hypertonic for red blood cells? 64 Which of the following comparisons is NOT correct? 65 Which of the following conditions does NOT apply to facilitated transport? 66 Which of the following conditions does NOT apply to facilitated transport? 67 The greater the possible osmotic pressure, the more likely water will diffuse in that direction. 68 Regarding osmosis, the amount of liquid increases on the side of the membrane with the greater percentage of solute. 69 Diffusion will cease once both solute and solvent molecules are evenly distributed. 70 Passage of molecules across the plasma membrane by passive ways involves the use of energy. 71 Which of the following processes uses a carrier protein and ATP? 72 Which of the following conditions does NOT apply to active transport? 73 Upon observation of an electron micrograph, a scientist noted a large number of mitochondria near a plasma membrane within a particular cell. The scientist would probably hypothesize that the cell used energy for ______ purposes. 74 Why are proteins involved in active transport often called "pumps"? 75 Which process will transport sodium ions to the outside of the cell and potassium ions to the inside of the cell? 76 The sodium-potassium pump is considered to be a(an) ______ process. 77 The passage of salt (Na+Cl-) across a plasma membrane is of primary importance in cells. Which of the following statements is NOT correct? 78 Which of the following processes does NOT use a carrier protein to transport substances across the plasma membrane? 79 A particular carrier protein within the plasma membrane can transport any molecule through the plasma membrane. 80 Which of the following transport processes will form a vesicle? 81 Which of the following transport processes will utilize the Golgi apparatus? 82 Which of the following processes can be seen with the light microscope? 83 Pinocytotic vesicles or phagocytotic vesicles often fuse with a ______ inside the cell for digestion. 84 Large amoeboid-type cells, called macrophages, remove bacteria and worn-out red blood cells by a process called _____. 85 The process by which a vesicle is formed at the plasma membrane to bring substances into the cell is called ______. 86 The process that requires a vesicle to fuse with the membrane, thereupon discharging its contents, is called ______. 87 Which of the following comparisons is NOT correct? Which describes correctly the structure of cell membrane?The fundamental structure of the membrane is the phospholipid bilayer, which forms a stable barrier between two aqueous compartments. In the case of the plasma membrane, these compartments are the inside and the outside of the cell.
Which of the following statements best describes the structure of a cell membrane?So our answer will be option number b that plasma membrane is made up of phospholipid by layers in which proteins are embedded. So this will be your answer: proteins embedded in a balayer of phospholipid. This best describes the structure of plasma membrane or cell membrane.
Which of the following statements correctly describes the cell membrane?The cell membrane is a phospholipid bilayer with associated protein and carbohydrates.
Which best describes the structure of the cell membrane quizlet?Which of the following best describes the structure of the plasma membrane? The plasma membrane is a phospholipid bilayer surrounding the cell.
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Which of the following correctly describes the structure of the cell membrane?
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