What role do the proteins profilin and cofilin play in the cytoskeleton? O Accelerate actin fibre bundling O Cap actin fibres Accelerate actin fibre treadmilling Switch the polarity of the actin fibres Cleave actin protein to active monomers In vertebrates, which cell-cell junction allows for direct chemical communication between adjacent cell cytoplasms, without contact with the extracellular fluid, and is composed of the transmembrane protein connexin? O Desmosome O Gap junctions O Adherens junctions O Tight junctions O Focal adhesions

Q: Which of the following adapter proteins or protein pairs connects the actin filaments with the…

A: Adapter proteins, also known as scaffolding proteins, are a type of protein that mediates…

Q: A vesicle containing proteins modified with M6P has just pinched off the trans Golgi network. Name a…

A: Introduction Amino acids are chemical 'building blocks' that make up proteins.

Q: Protein transport across membranes in the eukaryotic cell can take all of the following forms…

A: Transport always takes place through pores because the lipid bilayer does not allow the movement of…

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: bindng site dain ding, site ATP What type of transport is shown in the figure above? O Active…

A: During active transport substances move against the concentration gradient from an area of low to an…

Q: Given the diagram, what motor protein transports vesicles that are about to utilize cis-Golgi…

A: Golgi apparatus is present near the centrosome-based microtubule organizing center. Secretory…

Q: An individual transport vesicle will fuse with only one type of membrane is enclosed by a membrane…

A: The ER, Golgi apparatus, and lysosomes all are part of a transmembrane system, but they're not…

Q: What happens to the membrane of a vesicle after exocytosis? it fuses with and becomes a part of the…

A: Ans: 1

Q: The microtubule subunits at the plus end of a rapidly growing microtubule most likely contain ATP O…

A: Microtubules are described as structures that are microscopic and consist of beta and alpha-tubulin.…

Q: REEP family proteins act as wedges to promote bending of the membrane true or false

A: The structure and operation of the endoplasmic reticulum (ER) depend heavily on the receptor…

Q: Many less dynamic, more permanent cellular structures such as the nuclear lamina have (????) as the…

A: The nuclear lamina is a dense, fibrous network present inside the nucleus. The nucleus also contains…

Q: Anterograde transport is O Transportation of secretory vesicle backwards O Transportation of…

A: Axonal transport is the axoplasmic flow or axoplasmic transport. It is a cellular process and is…

Q: monens ONOP MELSUSANE 1 Sassy [References] ISTRSK Indicate which of the proteins shown in the figure…

A: Biological membranes such as the plasma membrane of a cell or the membranes of organelles like the…

Q: In the image, the tight junction proteins link cells together creating a barrier. These barrier…

A: Cell junctions: these junctions are responsible for adhesion between cells as well as restrictive…

Q: 2. For each of the four motor proteins (cytoplasmic dynein, kinesis, myosin-I, myosin-II) summarize…

A: Cytoplasmic dynein is a large protein complex (1.2 MDa) composed of two identical heavy chains…

Q: Vesicle transport occurs between the ER and the Golgi in bothdirections. Let’s suppose a researcher…

A: ER is endoplasmic reticulum and is mainly involved in the synthesis of proteins, lipids and some…

Q: Protein with 1 internal star V[ Choose ] Double-pass protein with both N and C terminus in the…

A: Answer. Integral proteins located in the ER, Golgi, lysosomal membranes, and in the plasma membrane…

Q: BIOWK was observing animal cells under a microscope in the laboratory. He observed that the shape of…

A: Cell do have different cell organelles and these organelles perform different functions . These…

Q: What does hypertonic mean? * Your answer You are trying to see if a channel transports a specific…

A: The plasma membrane of the cell regulates the movement of different molecules in and out of the cell…

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: 2- Cytoskeleton is directly responsible for; a) Balancing the concentration difference between inner…

A: First of all we will understand about the concept of the cytoskeleton. It organizes other…

Q: List the three protein filaments of the cytoskeleton in order of smallest diameter to largest…

A: Hi, Thanks For Your Question.  Answer : List the three protein filaments of the cytoskeleton in…

Q: Cell surface proteins can carry out several functions except Select one: O a. lateral condensation O…

A: Cell surface proteins are proteins that serve both structural and functional purposes. Surface…

Q: If the graph represents one actin filament, and line A represents dynamic activity at the plus end…

A: CapZ proteins are not present.

Q: Describe the 3 major components of the cytoskeletal system including the proteins that comprise the…

A: 3 major components of cytoskeletal system are:- Actin Filaments Microtubules Intermediate Filaments…

Q: +H₂N-CH-COO™ 1 CH₂ I CH₂ I CH₂ I +H₂N-CH₂ A. amino acid D O amino acid B amino acid C O amino acid A…

A: Amino acids are biomolecules that have a hydrogen atom, an amino group and a carboxyl group linked…

Q: In an integral membrane protein, which of the amino acids below is most likely to be found in the…

A: Biological membranes are predominantly phospholipid bilayers. The 2 surfaces of the membrane…

Q: A. ciliary movement °B. contractile ring of cleavage furrow C. pigment granule transport in fish…

A: Microfilaments are double-stranded molecules of polymerized fibrous (F) actin. Microtubules are…

Q: But so far, no coat has been identified for the secretory vesicles that carry material from the…

A: The problem is that no coat has been identified for the secretory vesicles that carry material from…

Q: Indicate the name of each of the organelles X, Y and Z. 5. 5.1. What is the fate of the proteins…

A: Since there are multiple questions and this particular question, I will answer the first one for…

Q: How many of the following are present in a long and growing microtubule (with no motor proteins)? I.…

A: GTP is defined as an energy-rich kind of nucleotide that is analogous to a molecule of ATP that is…

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: macrocytosis, but smaller, staning them with eresyl blue they gave a eticulate patter, what is the…

A: Osmosis is the movement of water from the high concentration towards the low concentration of water…

Q: TIM/TOM complexes are involved in transport of proteins ac O mitochondria O nucleus Endoplasmic…

A: Ans- Mitochondria

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: Research the disease Emery-Dreifuss Muscular Dystrophy 2.   What are the significant symptoms of…

A: Emery-Dreifuss Muscular Dystrophy(EDMD) 2- It is a rare disease and progressive in nature. There are…

Q: Which stimulus provides the energy to gate a leakage channel? (Read carefully!) O Ligand binding O…

A: The stimuli that provides the energy to gate a leakage  channel is Ligand binding Answer is : Option…

Q: Which of the following events would promote nuclear envelope restoration? Decreased GTP hydrolysis…

A: In the eukaryotic cells, microtubules are the major cytoskeleton. These microtubules help in 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: Explain the role that cytoskeleton plays in the cellular biomechanics. What are the ( different…

A: The cytoskeleton of the cells the structural support to help in maintaining the cell shape and…

Q: Describe the mechanism by which a motor protein moves along microtubules using ONE  example. In your…

A: Motors proteins consists of two protein Kinesin and Dynein. Most important role is to transport of…

Q: hich of the following cytoskeleton components will be required ents

A: Cytoskeleton is a cell component which is responsible for the support of the cell and play various…