Which of the Following Statements About Phospholipids Is True

They frequently leave the bilayer and dissolve in the surrounding solution. DlThe cell generates its own phospholipids in the rough ER and transports those lipids to the plasma membrane.

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The molecule is an important part of cell membranes d.

. Which of the following is not a phospholipids. Solution for Determine whether the following statements about phospholipids is correct. Which of the following statements is true regarding the movement of substances across cell membranes.

Lateral movement is what provides the membrane with a fleid structure. Cell membranes are composed of phospholipids that have head and tail regions. Gram-positive bacteria have an outer membrane.

Phospholipids are important building blocks for polymers such as cellulose. Hydrophilic heads face out. Phospholipids are free to diffuse within the hydrophobic core of membranes but not from one lipid-rich region on one surface to an adjacent lipid-rich region on the other surface.

All atoms of the same element have the same number of neutronsE. Based on the fluid mosaic model of cell membranes which of the following statements about membrane phospholipids is true. To make a phospholipid from a triglyceride one must simply remove two fatty acid tails from the triglyceride and add a phosphate group and a head group instead.

Phospholipids do not have saturated and unsaturated fatty acids Oc. The head group is polarc. Thus the correct answer is option D.

B lons are able to move through the phospholipid bilayer because the polar head regions of the. The hydrophilic regions of phospholipids are exposed to the cytosol and extracellular environment. They are a major energy storage lipid Ans.

Correct Answer is A phospholipids in the lipid bilayer can either mose rotationally laterally in one bilayer or undergo transverse movement between bilayers. AThey occur in an uninterrupted bilayer with membrane proteins restricted to the surface of the membrane. E They are a major energy storage lipid.

Phospholipids contain water molecules. They contain an glycerol backbone b. The hydrophobic tail groups face the exterior portion of the membrane.

None of the choices. F Triacylglycerols are less amphipathic than phospholipids. Phospholipids are more hydrophilic than cholesterol because the phosphate group and attached alcohol are charged whereas cholesterol has only a single hydroxyl group.

Phospholipids are forced into this orientation because phospholipids. Phospholipid lateral motion in membranes is characterized by a diffusion coefficient of about 1 x 10 cmsec. But if a droplet of phospholipid molecules is put in water all the molecules point outward toward the water.

Which of the following statement is true about phospholipids in general. The tail groups are nonpolar e. Hydrophobic tails of phospholipids face toward each other.

The phospholipid tail is hydrophobic and spontaneously orients to the inside of the membrane. Phospholipids are present as lipid bilayer membrane protecting our cell and cell matrix O b. Phospholipids can move laterally in their half of the bilayer.

They freely move laterally within the membrane. DiThe cell membrane phospholipids found in eukaryotes very similar t0 those found in prokaryotes. Select all that apply a.

Phospholipids contain polar heads made of carbohydrates O d. An atomic nucleus contains protons and neutronsB. The shorter the fatty acid tails of phospholipids that make up a plasma membrane the less permeable the membrane will be.

They frequently leave the bilayer and dissolve in the surrounding solution. View the full answer. Which of the following statements about a cells plasma membrane are TRUE.

An atom has more electrons than protonsC. Instead lipid translocator proteins catalyse phospholipid movement between the bilayers. Gram-negative bacteria have a cell wall made of peptidoglycan while Gram-positive bacteria have a cell wall made of phospholipids.

Phospholipids have a polar hydrophilic end and a nonpolar hydrophobic end. Gram-positive bacteria have a single cell wall formed from peptidoglycan. Which of the following statements about biological membranes are true.

Which of the following statements is true. The number of neutrons determines whether the nucleus of an atom is stable or radioactiveF. A lons are unable to move through the phospholipid bilayer because the nonpolar tail regions of the phospholipids are hydrophobic.

They can easily flip-flop from one side of the membrane to the other. The nucleus is surrounded by a double membraneD. Based on the fluid mosaic model of cell membranes which of the following statements about membrane phospholipids is true.

Shorter more unsaturated hydrocarbon tails. 3 years ago 09072018 191034 gknowledge. Fats and Fatty Acid Metabolism MCQ.

Choose all that apply. Formation of lipid bilayer in solution results ina deltaG DThe. The hydrophilic head groups face the interior portion of the membrane.

A phospholipid may have a net neutral charge. The carbohydrate group attached to membrane glycoproteins faces the cytosol. BThey frequently leave the bilayer and dissolve in the surrounding solution.

Based on the fluid mosaic model of cell membranes which of the following statements about membrane phospholipids is true. If a small droplet of triacylglycerol molecules is suspended in water the fat molecules form a ball of spaghetti with no particular orientation. The hydrophilic regions of phospholipids are exposed to the cytosol and extracellular environment.

Which of the following statements is TRUE of membrane phospholipids a.

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