operties of integral membrane proteins can be studied by 1)Atomic force microscopy 2)Cryo-sectioning and electron microscopy 3)Freeze-fracture technique and electron microscopy 4)All of the above

Q: In certain electron microscopy methods, the specimen is not directly imaged. How do these methods…

A: There are many objects that cannot be seen with naked eye. To see such objects an instrument like…

Q: Which type of microscopy allows us to clearly view the internal contents of cell structures smaller…

A: An instrument that creates an enlarged image of a small object, thus revealing details too small to…

Q: Vesicles forming at the plasma membrane, or at the trans face of the Golgi, and destined only to…

A: In biology,  a vesicle is a structure within or outside a cell, consisting of liquid or cytoplasm…

Q: How are plasmodesmata and gap junctions similar? How are they dissimilar? Would you expect a…

A: Plasmodesmata are channels between two adjacent plant cells.These are present in the cell wall of…

Q: Biological membranes are often described using the fluid mosaic model. What are three defining…

A: The plasma membrane is a thin, elastic, semi-permeable membrane that forms the external boundary of…

Q: What is extracellular matrix (ECM) ? Explain it's importance ?

A: The study of cells is known as cytology. It deals with the study of cells in terms of structure ,…

Q: of the following statements regarding cytoskeletal filaments is FALSE?     Microtubules will…

A: Option d    Actin-binding proteins allow F-actin to assemble in cells in many different ways

Q: Briefly describe the structure and function of each of the following: plasma membrane, chromatin,…

A: The cell is the structural and functional unit of the living system. The cells are generally of two…

Q: Which of the following microscopes typically requires the use of vital dyes (like methylene blue) to…

A: Microscopy is the technical field of using microscopes to view objects and areas of objects that…

Q: Many diseases are characterized by fibrosis, which is excess scarring. This scarring is often caused…

A: Fibrosis is also termed fibrotic scarring, is a pathological wound healing in which connective…

Q: SELECT ALL THAT APPLY An atomic force microscope can be used to measure Group of answer choices…

A: Atomic force microscopy (AFM) is a very high-resolution microscopy technique that used to scan…

Q: How do microscopy and biochemistry complement each other to reveal cell structure and function?

A: Microscopy relates to seeing of various ultramicroscopic structures which are not visible in naked…

Q: When preparing cells for karyotyping, in which of the following solutions should the cells be…

A: Karyotyping  In this technique, the chromosomes are arrested in the metaphase stage of cell division…

Q: 1-A-What function do cilia and flagella share? B-For each cell type below, state A) a noteworthy…

A: Cilia and Flagella These are complex filamentous structures that are found in the cytoplasm. These…

Q: What is one way that the bacterial plasma membrane, and the bacterial cell wall, are functionally…

A: The bacterial cell wall is made up of peptidoglycan that is built of polysaccharide chains that are…

Q: Which of the following proteins does not play an integral role in the membrane of eukaryotic cells?…

A: Eukaryotic cells are cells that contain a nucleus and organelles and are enclosed by a plasma…

Q: What is the justification for considering gap junctions and plasmodesmata to be functionally…

A: Introduction: Plasmodesmata are living cytoplasmic connections between neighboring plant cells which…

Q: What is happening during plasmolysis of walled plant or fungal cells? Describe the process! a.…

A: Plasmolysis can be reversed through the deplasmolysis process that occurs in live plant cells. There…

Q: Give distinguishing features of cilias, sterocillia, microvilli.

A: Cellular protrusion are highly dynamic structures involved in the fundamental processes of cell…

Q: The cytoskeleton of eukaryotic cells would be best visualized by a) scanning electron microscopy O…

A: Microscope is used to magnify the images that can't be seen by naked eyes.

Q: zation occurs predominantly at the minus (-) ends of microtubules.     Polymerization is favored…

A: Cell biology is study of the cell and how they grow and how they communicate with each other.   Cell…

Q: Discuss the following: • Golgi Apparatus • Peroxisome •lysosome Please help me. Thank you

A: Cell is the basic structural and functional unit of life. It is composed of many organelle which…

Q: The fluid mosaic model of the membrane describes the membrane as:     containing a significant…

A: The cell membrane is  made up of : 1. Phospholipids  2. Cholesterol  3. Proteins The main fabric of…

Q: Which of the below statements correctly describes the extracellular matrix? a)A layer that…

A: Introduction :- The extracellular matrix (ECM) is a three-dimensional network of extracellular…

Q: What are the main structural components of the plasma membrane according to the fluid mosaic model?

A: Definition The plasma membrane is selectively permeable membrane , also known as the cell membrane.…

Q: Describe the following as seen under the compound microscope. Endoplasmic reticulum Ribosome…

A: The microscope is the instrument that helps to magnify small things. With the help of a microscope,…

Q: Please label this red onion cell image with a drop of water under the microscope. Include all…

A: The movement of nutrients, water, and waste in and out of the cell is required for the living…

Q: Which of the following can be used to describe both desmosomes and adherens junctions? Select all…

A: The selective cell to cell attachment is mediated by different types of addition molecules that also…

Q: What are the functional significance of the asymmetry of a cell membrane?

A: Cell membrane is made up of proteins and lipids. The structure of protein and lipids arranged in a…

Q: What other cell ultrastructures do you expect to interact with the cell membrane?

A: The ultrastructure of a cell is its fine design as uncovered at high magnification. The animal,…

Q: Vesicles forming at the plasma membrane, or at the trans face of the Golgi, and destined only to…

A: The vesicles help in the transportation of cargo proteins to a distinct location in the cell. They…

Q: What is the cause of the impermeability of plasma membranes to water-soluble molecules?  Group of…

A: The cell membrane is a thin bilayered outer membrane that covers the cytoplasm of all living cells…

Q: What substance is often applied on a slide specimen of cells or tissues that help enhance the…

A: Microscope is an instrument that is used to magnify small objects like cellular organelles, spores,…

Q: A matrix composed primarily of the carbohydrate cellulose, this structure provides protection and…

A: Different macromolecules come together to make structures of support for the plants. Each…

Q: Which type of microscopy allows us to clearly view the internal contents of cell structures smaller…

A: Microscopy is the technical field of using microscopes to visualise objects and areas of objects…

Q: What is unique about porins, compared with most other integral membrane proteins? a. They have a…

A: Proteins present in the plasma membrane are categorized broadly into integral proteins and…

Q: Identify the cytoskeletal element being described in each statement below. Note, possible answers…

A: Microtubules are the a kind of cytoskeleton proteins which are made up of all alpha and beta…

Q: The trans face of the Golgi apparatus is generally closer than the cis face (of the Golgi apparatus)…

A: Endomembrane system: - It is a system through which the cell modify, package, and transport the…

Q: Cell motility has been described as being like the motion of tank treads. At the leading edge, actin…

A: Protrusion of the leading edge of the cell, adhesion of the leading edge and deadhesion at the cell…

Q: Why is the current model of Plasma membrane known as the “Fluid Mosaic Model”? What is the fluid,…

A: The plasma membrane also known as the cell membrane is a lipid bilayer that encircles the cell…

Q: Why is the structure of the plasma membrane considered to be a fluid-mosaic model?

A: Plasma membrane, also known as the cell membrane is the outermost layer of the cell that separates…

Q: The following statement: Cross-linked by fimbrin/villin into parallel bundles in microvilli…

A: Cross-linked by fimbrin/villin into parallel bundles in microvilli applies to actin/…

Q: Which of the following statements applies to all three major classes of cytoskeletal polymers…

A: The cytoskeleton and cytosol are structural components of the cell that help it maintain its shape.…

Q: Which of the following is true about integral proteins according to the fluid mosaic model? Integral…

A: Introduction According to the fluid mosaic model there are different types of proteins within the…

Q: How does freeze fracture microscopy work and how has this technique improved membrane protein…

A: Cell membranes are made up of phospholipids and associated or inserted proteins. Membrane proteins…

Q: Describe the chemical composition of lysosomal membrane in detail.

A: Lysosomes are the organelles that are involved in engulfing the antigens and worn-out cells and…

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.