Which of the following correctly describes micelles? spherical structures formed by amphipathic lipids such as fatty acids a) b) same as liposomes produced spontaneously by certain lipids, particularly glycerophospholipids d) composed of lipid bilayers ulat wrap around to form spherical vesicles e) consist of multi-layered structures of lipid bilayers

Q: Which fatty acids would you expect to find in high concentrations in the plasma membrane of a…

A: Plasma membrane is the outer boundary of the cell. It is selective permeable in nature that is it…

Q: What characteristics of phopholipids make the lipid bilayer fluid?

A: The plasma membrane, also called the cell membrane, is the membrane found in all cells that separate…

Q: For the lipids within the bilayer that comprise the plasma membrane: The hydrophilic ends face…

A: Structure of cell membraneLipid Bilayer-2 layers of phospholipidsPhosphate head is polar (water…

Q: b) Cellular membranes are generally found in environt diagram of what the phospholipid bilayer of a…

A: Life's functional units are cells. Cells are also the fundamental building blocks of life. A variety…

Q: Below is the picture showing three types of cartilage a) Hyaline cartilage b) Fibrocartilage c)…

A: Introduction: The connective tissue comprises cells called chondrocytes and fibers (yellow elastic…

Q: Which statement is correct about the phospholipids in membranes? a) The non-polar tails face…

A: Introduction :- Phospholipids are a type of lipid molecule that is a major component of cell…

Q: When the movement of lipids in biological membranes was measured, it was observed that: A) Saturated…

A: The cell membrane is constituted of a phospholipid bilayer. According to the fluid mosaic model, the…

Q: Cholesterol serves several essential functions in mammalian cells. Which of the following properties…

A: Cholesterol is a type of lipid with a steroid nucleus. It provides stability to the plasma membrane…

Q: c) What part or parts of a cellular membrane play(s) a role in determining the fluidity of the…

A: Consists of a single phosphate head, and two fatty acid tails. All hydrophilic heads are on the…

Q: Which of the following best describes the lipid aggregates known as liposomes? A. They contain a…

A: Liposomes are microscopic spheres composed of phospholipids that form a bilayer membrane, similar to…

Q: Intermediate filaments Options: A)  are larger than 10nm in diameter B)  have a hollow core…

A: The complex network of protein filaments found in the cytoplasm of a cell is known as a cell…

Q: 5. Which of the following membrane lipids does not contain fatty acid tails? Explain what the…

A: Introduction: Membrane lipids are amphipathic, meaning they have two ends—one polar and hydrophilic…

Q: Would you expect this molecule to spontaneously assemble into a liposome? Why or why not? CH2−O CH-O…

A: There are four classes of biological macromolecules- nucleic acid, proteins, lipids and…

Q: Which of the following fatty acids, if incorporated into a typical eukaryotic membrane phospholipid,…

A: Membrane fluidity is an important feature that impacts the efficacy of biological membranes.…

Q: You have a cellulose sack that is impermeable (i.e. NOT permeable) to starch molecules and is filled…

A: The ability of a solution to change the water content of cells and modify the cell volume is called…

Q: When the movement of lipids in biological membranes was measured, it was observed that: A) Saturated…

A: The cell membrane is a phospholipid bilayer. According to the Fluid Mosaic Model, the cell membrane…

Q: Other cell membrane molecules include a compound called  __________, which functions to provide…

A: According to the fluid mosaic theory, the plasma membrane is made up of a variety of phospholipids,…

Q: Which of the following levels of protein structure can involve covalent bond formation? A) Primary…

A: The structure of a protein is organized into four levels of organization: primary, secondary,…

Q: Lipids are common components of membranes and cell walls. What is the structural motif of membranes?…

A: Lipids are biomolecules that do not have a fixed chemical structure like carbohydrates or amino…

Q: Your studying a membrane in which you discover most of the tails of the lipids in a bilateral are…

A: A is false because unsaturated bilateral lipid tail has at least one double bond. B. Is false…

Q: When phospholipids are carefully mixed with water they are observed to exhibit which of the…

A: Phospholipids:  Phospholipids, also known as phosphatides, are lipids with a hydrophilic "head"…

Q: 1) Placing phospholipids in water will spontaneously form a spherical structure called a: Group of…

A: 1)Placing phospholipids in water will spontaneously form a spherical structure called Ans)liposome…

Q: HO ↑ A CH3 B choline head group H3C. C glycerol backbone CH3 CH3 < CH3 B- CH3- CH3 C-CH₂-CH O O C 0…

A: A= Sterol group  B= Choline C = Glycerol D = Acyl chain

Q: Indicates whether the statement is true (T) or false (F). If the statement is wrong, rephrase it so…

A: Important macromolecules that are present in the body are carbohydrates, lipid, proteins and nucleic…

Q: Which of the following statements about electron microscopy are true? a) Most existing protein…

A: Electron microscopy (EM) is an advanced technique used to obtain high resolution images of…

Q: The lipid shown here is produced by certain microorganisms that live in extremely warm environments,…

A: The biological membrane is composed primarily of cholesterol, phospholipids, and sphingolipids. They…

Q: A) Briefly describe the basic structure of phospholipids and explain how they can provide an…

A: The cell membrane of a cell is Made up of phospholipid bilateral which helps in transportation of…