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Q: The figure at right illustrates the relationship between body fluid osmotic concentration and…

A: Osmoregulation is a process that controls the electrolytic balance in living things as well as the…

Q: Channel gating – Carrier-mediated transport

A: Channel Gating :  It is defined as the  process of encoding of biological signals as a change in…

Q: Describe the effect of a blocker of cellular ATP production (e.g. anoxia plus sodium fluoride) on…

A: Considering the case as mentioned i.e. anoxia which refers to the oxygen Deficiency in cell. Here…

Q: transport systems I

A: Uniporter Uniporter is a transport system in which it carries a single ion or molecule. Antiporter…

Q: Explain why 02 can pass through the plasma membrande but ions must use transmembrane proteins

A: Oxygen & carbon dioxide get across cell layers by means of simple diffusion, a cycle that needs…

Q: Suppose you discover a new bacterium that has a concentration of 15 nM Cu2+ inside the cell, and 1…

A: Diffusion is the movement of silute particles or molecules from the region of higher concentration…

Q: Compare and contrast ABC transport systems with group translocation.

A: ABC transport system requires ATP as an energy source  ATP Binding Cassette. It uses specific…

Q: Compare and differentiate the three transport systems in bacteria (simple transport,…

A: Simple transport is a form of passive transport that does not require ATP to be utilized to…

Q: solute passively diffuses through a transport protein out of the cell, therefore, ____. a. the…

A: Diffusion is a passive process in which transport of molecules takes place across the plasma…

Q: The plasma membrane of all animal cells contain the Na+/K+ pump. If you consider the clathrin-coated…

A: The protein-coated vesicles function to transport protein molecules within the cell. The three types…

Q: Here is a chloride cell in the gill epithelium of a fish. For reference, NKA = Na+/K+ ATPaseNKCC =…

A: Co transporters are a type of membrane proteins and they are capable of moving solutes up or down…

Q: Describe the two types of passive transport. Explain what kind of proteins are required for each…

A: Types of passive transport :-

Q: The Na+/glucose cotransporter in ION-GRADIENT-DRIVEN ACTIVE TRANSPORT, ________moves down its…

A: Sodium glucose co transporter (SGLT2) is located almost exclusively in proximal renal tubule. It is…

Q: Here is a chloride cell in the gill epithelium of a fish. For reference, NKA = Na+/K+ ATPaseNKCC =…

A: Marine animals are living in an environment in which the salt concentration is very high. They are…

Q: a) Assuming that the rate of sucrose uptake is the rate limiting step in growth, which strain will…

A: Streptococcus is a cocci or spherical-shaped, Gram-positive bacterial genus belonging to the…

Q: Which of the following is true about cystic fibrosis (CF) and the CFTR transporter protein? CFTR is…

A: CFTR or cystic fibrosis transmembrane conductance regulator is a glycoprotein and belongs to the ABC…

Q: Sugars are transported in symport with Na+. Na+ upon some time accumulates causing the need to…

A: Sugar transported in symport with Na+ : Glucose

Q: ABC transporters are:   a. An example of active transport with activity in multi-drug resistance.…

A: ABC transporters are a transport system that is one of the largest and possibly one of the oldest…

Q: What will happen if the concentration gradient is high inside the cell and low outside the cell?…

A: Plasma membrane is semi permeable and allow the selection of some material to transport across the…

Q: Is the function of pump membrane direct or indirect?

A: It may be direct or indirect .

Q: A cell with a K+1 concentration of 0.3 eq/L, and a Na+1 concentration of 0.1 mol/L is placed into a…

A: The transport of molecules and ions across a cell membrane is an essential process for the cell to…

Q: The salt content within the cytosol of marine mammals is lower than the water that they consume from…

A: Marine and aquatic animals like Pinnipeds ( sea lions, seals, and walruses) and cetaceans (dolphins…

Q: What is meant by an asymmetric transport system? Give one specific example of such a system.

A: It does not allow all the molecules to move freely into and out of the cell. The transport of…

Q: Proteins travel from the ER to the Golgi in COP-II coated vesicles. How is cargo incorporated into…

A: The cargo or proteins are produced in the rough endoplasmic reticulum (rER) and these cargo are…

Q: Contents of transport vesicles can originate at the rough ER or smooth ER. What types of molecules…

A: Vesicles are small, spherical, fluid-filled structures covered with a lipid bilayer. This helps in…

Q: Write a short paragraph discussing why is it important for you to understand the transport mechanism…

A: The transportation mechanism in the body is defined as the movement of molecules across the…

Q: Describe the characteristics of specificity, competition,and saturation of transport proteins.

A: A transport protein is a protein that serves the function of moving other materials within an…

Q: The protein shown below is an example of a(n). Sodium-calcium 3Na+ exchanger Plasma membrane Ca²+…

A: Transport protein is of 2 types: - Channel and carrier  protein - carrier protein is further of 2…

Q: Glucose is taken up by red blood cells by binding to a specific pocket in a membrane protein which…

A: The cell membrane allows certain molecules to pass through it. Hence it is called a semi-permeable…

Q: Ion transporters are “linked” together—not physi-cally, but as a consequence of their actions. For…

A: Introduction Our body contains different types of ions such as Sodium, Potassium, Calcium, Chloride,…

Q: Compare and contrast the different transport mechanisms: Electrochemical gradient…

A: Factor Passive Diffusion Facilitated Diffusion Active Transport Electrochemical Gradient Present…

Q: Which of the following is CORRECT concerning the ABC transporter proteins? O They do not undergo…

A: ABC transporters belongs to the ATP binding cassette transporters superfamily.

Q: Which statement does not describe the transport of ions by valinomycin? All options describe…

A: This question is belong to the Cell Biology. Topic " Transport across the membrane" The option…

Q: A cell creates a H+ gradient across a membrane- in other words, a situation is created were the…

A: Answer: PROTON GRADIENT = It is the concentration of H+ ions across the membrane where one side has…

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: Questions 1. How does the patch-clamp technique help researchers study ion transport across cell…

A: NOTE: according to the answering guidelines, I am going to answer only first three parts of the…

Q: The LDL receptor is internalized via endocytosis every ten minutes and recycled to the membrane. How…

A: The cholesterol, fatty acids are what are insoluble molecules and they are packaged into…

Q: Define osmosis and describe the effects of placing red blood cells in the following solutions 1,…

A: The important substances both organic and inorganic are required by the cells to perform metabolism…

Q: "Sodium is usually more concentrated outside the cell than inside. Therefore, it is transported into…

A: Diffusion is the process of transfer of molecules from higher concentration to lower concentration.…

Q: In the Sodium/Potassium pump, how is ATP used in the process of Active Transport? What is the goal…

A: Active transport is the movement of solute against the concentration gradient. The active transport…