Q: Why is the intermembrane space acidic?
A: The mitochondria are the organelle present in the cytoplasm but not in the nucleus. It is mainly…
Q: What are MDCK cells
A: Influenza can be described as an infectious disease that attacks the respiratory system of human…
Q: Does active transport move high to low concentration?
A: Cell transport is the transfer of materials over cell membranes. Cell transport involves passive and…
Q: Name the rigid layer present outside the cytoplasmic membrane
A: The three major components of the cell include the nucleus, cell membrane, and cytoplasm. The former…
Q: function of Peripheral membrane proteins?
A: Proteins are complex molecules that play a major role in different functions in the body. They…
Q: Explain why there is resting membrane? *
A: Resting member is to maintain the action potential difference between the intercellular matrix and…
Q: What is the difference between osmosis and diffusion?
A: Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane…
Q: Which line on the attched graph shows simple diffusion and which shows carrier mediated transport?…
A: a
Q: How do tiny nonpolar molecules cross the plasma membrane.
A: Plasma membrane has hydrophilic neagatively charged phosphate group and hydrophobic tail region.
Q: What can change the fluidity and viscosityof the plasma membrane?
A: The cell is surrounded by a protective cell membrane, which is composed of the phospholipid bilayer.
Q: What is an apical membrane?
A: The plasma membrane cell membrane is the membrane that is found in all cells that separate the…
Q: Which type of cell junction functions in communication between adjacent cells?
A: Cells together forms tissue to perform specific function. Although these cells are nearby , they…
Q: Explain how transport mechanism in cells works.
A: Cell is the building block of the body.
Q: Which cell shape is best adapted for the rapid movement of substances from one cell to another?
A: Squamous cell shape is best adapted for the Rapid movement of substances from one cell to another.
Q: Why is the relationship between surface area and volume of a cell important in determining cell size…
A: Answer- The surface area and the volume are invertionally proportional to each other.
Q: Where is the outer membrane located?
A: The outer membrane is a highly organized structure having lipid bilayer. The outer membrane term is…
Q: Suggest a reason for the difference in the composition between the two cell surface membrane?
A: The lipid bilayer determines the basic structure of biological membranes, proteins are responsible…
Q: How did the surface area affect diffusion to the center of the cell? What about volume? What about…
A: All the living organisms are made up of cells. These are the functional units of life that have…
Q: If a cell is in interstitial fluid that is hypertonic to its cytosol, how does this affect the cell?…
A: Introduction Salinity refers to the concentration of salt. it plays the major role in the cell…
Q: Which letter represents the parts of the cell membrane that act to "solidify" it?
A: The cell wall otherwise called the plasma membrane, is a twofold layer of lipids and proteins that…
Q: What is the outer membrane ?
A: Cell is the basic functional and structural, and biological unit of all the organisms. It is the…
Q: what are the two main componets of the cell membrane?
A: The cell membrane separates the inside of the cell from its external environment, selectively…
Q: Is the outer membrane more selective or lessselective than the cytoplasmic membrane?
A: Step 1 The cytoplasmic membrane is also known as (plasma membrane or cell membrane) occurs both…
Q: Describe the type of substance that will be able to anchor in the cell membrane? How does polarity…
A: Cell membrane or plasma membrane is the living outer boundary of cells. It separates cytoplasm from…
Q: How would a cell be affected if the cell membrane did not have any membrane proteins and what…
A: Cell- It is the basic unit of an organisms. In other word you can says that it is the structural…
Q: How does the arrangement of phospholipid molecules in the cell membrane give the membrane selective…
A: The cell membrane is selectively permeable
Q: Why do most molecules require the assistance of proteins to cross the cellular membrane? What…
A: The cellular membrane is a semi-permeable lipid bilayer. The lipids found in the membrane are…
Q: . what are two structural characteristics of cell membrane determine whether substances can pass…
A: The two structural characteristics of cell membrane that determine whether substances can pass…
Q: What is meant by the term semi-permeable membrane?
A: Answer: MEMBRANE = This is a outer layer of a cell that surrounds it. It is elastic in nature. This…
Q: What factors affect the degree of membrane fluidity?
A: The phospholipid bilayer is composed of two layers of lipids. Each lipid contains a hydrophobic tail…
Q: Does active transport move large/charged particles?
A: Active transport is a type of membrane transport that allows the movement of large and polar…
Q: What is the fluid that fills the nucleus called?
A: The cell is the basic structure and functional unit of life. the center of the cell is formed by…
Q: Which statement accurately explains the selective permeability of the plasma membrane?
A: The selective permeability of plasma membrane is accurately explained by the statement it provides a…
Q: Which pathway depicts Facilitated Diffusion?
A: Facilitated diffusion is a mode of diffusion in which the passage od molecules from higher to lower…
Q: What cells have a plasma membrane
A: INTRODUCTION In the fundamental molecules of life system , Cell is the primary membrane…
Q: Which is a passive transport process? a. Receptor-mediated endocytosis b. Ion pump c. Pinocytosis…
A: Transportation is the process by which molecules can move in and out of the cell.
Q: How common are type I, type II, and type III membrane proteins?
A: Proteins are especially important for the structure and function of the plasma membrane. Cells have…
Q: Define membrane transport proteins.
A: Introduction :- A membrane transport protein is a protein involved in the transfer of ions, small…
Q: Why is the extracellular matrix important for tissue cells?
A: Introduction :- The non-cellular component known as the extracellular matrix (ECM) is found in all…
Q: How does diffusion limit the size of an organism? How is this counteracted?
A: The movement of molecules over a concentration gradient is referred to as diffusion. It's a crucial…
Q: How is diffusion different from osmosis?
A: Diffusion is different from osmosis: Diffusion occurs in any mixture even when two solutions are…
Q: How can the various transport mechanisms across the cell membrane affect the cells homeostasis?
A: Homeostasis is the process of cells, tissues, and organisms that allows for the maintenance and…
Q: Which pathway represents "Direct" Active Transport and which pathway represents "Passive" Transport?
A: The cell membrane is a structure which protects the cell and acts as a barrier and transports the…
What factors limited the diffusion of particles through the membrane?
Step by step
Solved in 2 steps
- Why is the relationship between surface area and volume of a cell important in determining cell size limits?The image illustrates passive and active transport across the cell membrane. (Use the diagram to answer questions A-D) A. 1. Which section represents facilitated diffusion?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not?5. What type of solute molecules may be moved by this type of transport? B. 1. Which section shows active transport?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not? C. 1. Which section shows diffusion?2. What type of solute molecules may be moved by this type of transport? D. Which of these sections are considered passive transport? Explain.Which direction did diffusion of solutes occur?
- The image illustrates passive and active transport across the cell membrane. (Use the diagram to answer questions A-C) A. 1. Which section shows active transport?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not? B. 1. Which section shows diffusion?2. What type of solute molecules may be moved by this type of transport? C. Which of these sections are considered passive transport? Explain.Which direction did osmosis occur?What type of cell is this
- A blood cell with a 2% internal solute concentration is placed in a solution that has a 0.2% solute concentration. The solute is impermeable to the plasma membrane. How would you classify the solution compared to the cell – hypotonic, hypertonic or isotonic? Why? (2 pts.) B) Will the solutes move across the membrane? Why or why not? C) What type of transport would occur in this situation – diffusion, facilitated diffusion, osmosis, active transport or bulk transport. Explain. D) What would happen if the cell began to produce a new membrane protein that allowed the solutes to freely move in across the membrane? ould this change your answer to Part C? Explain.Why is the inner membrane so highly folded?Is the outer membrane more selective or lessselective than the cytoplasmic membrane?