If the graph represents one actin filament, and line A represents dynamic activity at the plus end and line B represents dynamic activity at the minus end, which of the following must be true? Group of answer choices Formin proteins have been removed. Treadmilling is occurring at 1000 mM. CapZ proteins are not present. Nucleation is occurring at 100 mM.

Q: hich of the following statements is true about actin: OActin is translated by free ribosomes O…

A: Actin is known as the thin filament. It is made up of the protein named actin.

Q: Give two examples of biological functions that are enabled by microfilaments or microtubules…

A: Cytoskeleton        It is a complex of filaments and tubules that is mainly enlarged all around the…

Q: Integrins are important in cell crawling because they anchor the leading edge of the cell to the…

A: The cytoskeleton is the web of fibres that makes up eukaryotic, prokaryotic, and archaeal cells. A…

Q: Cleavage of a phosphate bond is needed for de-polymerization of which mature polymer? Neither…

A: The eukaryotic cytoskeleton is composed of microfilaments, microtubules, and intermediate filaments.…

Q: In nonmuscle cell locomotion, which protein is activated to nucleate a filament? Arp2/3…

A: Nonmuscle cell locomotion refers to the movement of cells in the absence of muscle contraction. It…

Q: The α-tubulin end of a microfilament is stabilized by being anchored in the centrosome.  True…

A: Introduction Microtubules are the component of of the cytoskeleton. It is a hollow tubes like…

Q: Actin filaments in a test tube: O a. undergo disassembly if the concentration of free ATP-bound…

A: In cells, microtubules, actin filaments, and intermediate filaments are much more complex than in a…

Q: Which of the following statements related to intercellular junctions is false? O Cadherins are…

A: Cell junctions, also known as intercellular bridges or junctional complexes, are a group of cellular…

Q: A publication describes a kinesin molecule that is claimed to move along microtubules with a step…

A: A kinesin is a motor protein of eukaryotic cells. It gets the energy to travel along the filaments…

Q: In the presence of low levels of GTP, microtubules inside a cell will undergo ------------- due to…

A: Microtubule: it is formed by polymerisation of two subunits i.e. alpha and beta-tubulin.

Q: What are integral membrane proteins? Under how many types is it examined? Briefly explain

A: For the survival of an organism, the membrane proteins, which relays signals between the internal…

Q: Why change one type of membrane anchor for another?

A: Biological membranes are composed of the lipid bilayer and proteins.

Q: Describe what property of desmosomes makes them important in cells undergoing mechanical stress like…

A: Desmosome is a type of modification of plasma membrane in which membrane gets modified to perform…

Q: An important aspect of cell metabolism is the movement of molecules across the cell membrane.…

A: We are aware of active transport, which occurs when transporters can move molecules against their…

Q: The following is FALSE about actin polymerization: a. F-actin with ADP bound is removed from the end…

A: Introduction:- The network of protein filaments inside the cytosol of eukaryotic cells is known as…

Q: What is responsible for the formation and stabilization of actin bundles and networks?

A: Actin is a protein that forms part of the cytoskeleton, a network of fibers that gives cells their…

Q: esearchers tried to explain how vesicular transport occurs in cells by attemptihg tô icrotubular…

A: Researches tried to explain how vesicular transport occurs in cells by attempting to assemble the…

Q: Actin filaments at the leading edge of a crawling cell are believed to undergo treadmilling. What is…

A: The actin filament is the key component of muscle fiber along with myosin protein filament that is…

Q: What would happen in each of the following cases where something related to intracellular transport…

A: Peptide has two ends: the end with a free amino group is called the N-terminal amino acid residue.…

Q: Explain how the structure of intermediate filaments makes them better suited to provide mechanical…

A: The most diverse group of cytoskeletal elements whose diameter lie between those of microfilaments…

Q: The cell skeleton In the cell there are three types of filaments that form the cell skeleton.…

A: Earlier idea of cell was that it was a collection of some cell organelles suspended in cell sap. But…

Q: If GTP hydrolysis occurs on a tubulin molecule at the plus end of a microtubule filament before…

A: Tubulin makes up microtubules, which are the cytoskeleton's most important component.

Q: What is the primary characteristic of peripheral membrane proteins? A: They cannot be…

A: Ans(D) : The primary characteristic of peripheral membrane proteins - (D)Weak intermolecular forces…

Q: Calculate the time of sedentary life and the frequency of hoppings from one membrane layer to…

A: The FRAP method may be used to assess lateral diffusion, which is a type of movement.  Due to the…

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: The following are the characteristics of the setup depicted below: The left side has a higher…

A: Simple diffusion is a process through which solutes move from one place to another along the…

Q: Look carefully at the transmembrane proteins shown in Figure 11–29. What can you say about their…

A: An integral membrane protein that stretches to the whole of the cell membrane is called as a…

Q: One of three mechanisms of ER membrane remodeling is motor-independent membrane sliding along…

A: Endoplasmic reticulum (ER) membrane remodelling is a crucial cellular process in which the size and…

Q: What is the effect of suspending the cells in hypotonic and isotonic environment? explain in 1-3…

A: Osmosis is the diffusion of water molecules across a selectively permeable membrane from an area of…

Q: Dynamic instability is a term that can be applied to which mature cytoskeletal polymer? Neither…

A: Introduction Dynamic instability:- It is the switching between growing (polymerizing) and shrinking…

Q: IN the figure for D: The organization of a protein that normally resides in the plasma membrane in…

A: According to the given diagram, we have to find out among the given options which are/are correct.…

Q: Determine whether the following statements apply to microtubules, intermediate filaments, or actin…

A: A complex yet dynamic network of filaments composed of various proteins that are interlinked and are…

Q: How is filament polarity detectable?

A: Microfilaments in the cell form structures associated with the plasma membrane.

Q: Which of the following proteins is categorized as a multi-pass transmembrane protein (also called…

A: The ER membrane is responsible for the selective transfer of the molecules from the cytosol to the…

Q: Which of the following statements about the microtubule structure is FALSE? O In a single…

A: Every microtubule comprises two subunits, α-tubulin and β-tubulin, which are the tubulin proteins…

Q: You have made several mutations in the coding region of the gene coding for the sodium channel and…

A: mutation is a permanent change in the DNA sequence of a gene or a chromosome. This change can occur…

Q: Which of the followings is filament-bundling proteins? O Capz O alpha-actinin and fimbrin O thymosin…

A: Proteins are the building blocks of life. Proteins are made up of amino acids. Amino acids when they…

Q: List and describe the functions of microtubules, actinfilaments, and intermediate filaments

A: The cytoskeleton is a system of filaments and tubules that runs across the cytoplasm, which is all…

Q: a) Give the two main membrane proteins. b) State a function each of the mentioned protins.

A: Hi! Thanks for your question. But as you have posted multiple questions, I am answering the first…

Q: If GTP hydrolysis occurs on a tubulin molecule at the plus end of a microtubule protofilament before…

A: Microtubule: - Present in all eukaryotes - Made up of two different types of protein - α and β…

Q: In a monolayer of cultured epithelial cells, the cells may or may not have formed tight junctions.…

A: One of the types of cell junctions is the tight junction. Tight junctions are otherwise called…

Q: what processes are most likely occurring during lag phase, growth phase (i.e., nucleation,…

A: Microfilaments are composed mainly of actin protein filaments and are essential to the eukaryotic…

Q: can microtubule replace actin filament？why or why not？

A: The cytoskeleton is a cellular framework that retains the morphology and internal order of the cell.…

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.