Compare and contrast Passive and Active transport. Which of these processes require energy? Which of these processes require proteins? Which of these processes move substances against (up) their concentration gradient? Which of these processes move substances down their concentration gradient? Know which of these three processes would be used to move the following substances down their concentration gradient across a membrane: 02, CO2, polar molecules, ions, non polar molecules, hydrophopic molecules.

Q: The movement of molecules that expends energy to move potassium ions into the cell and a different…

A: Primary Active Transport:  Primary active transport, also known as direct active transport, employs…

Q: is type of cell transport requires energy (ATP) and moves substances from low to high concentration

A: Passive transport: In this type, the transport of molecules occurs without using energy along the…

Q: To compensate for membrane pieces continually being added to the plasma membrane, by the cell.…

A: Phagocytosis is a key process for nutrition in unicellular organisms, In multicellular organisms it…

Q: At resting state the interior of the cell is more ______________ than the outside When…

A: The distinction in the electrical potential between within a cell and the outside of a cell help to…

Q: The distinction between primary and secondary active transport

A: A difference in concentration between two fluids is called the Concentration Gradient (CG).…

Q: Which substances cannot pass directly through the phospholipid bilayer of the plasma membrane.

A: Cells have an outer covering that is commonly known as the plasma membrane or cell membrane. This…

Q: Which portion of the phosphotidylinositol molecules contributes to the fluidity of a membrane

A: The lipid bilayer is a barrier to molecules and ions moving into and out of the cell. The selective…

Q: true or false  if a cell has a greater number of protein carriers, the rate of facilitated…

A: Facilitated diffusion, is the process of transport of molecules or ions via specific transmembrane…

Q: If a cell produces many enzymes, which organelles are likely to be present in abundance and why

A: Enzymes are mainly proteins. They increase the rate of reaction.

Q: Which of the following is a characteristic feature of a ion channel protein in a plasma membrane?…

A: The cell membrane is a structure which protects the cell and acts as a barrier and transports the…

Q: Other non-lipid-soluble molecules or ions, for which membranechannels are not present in the cell,…

A: The cell, which is the basic unit of all living organisms (both in terms of structure and function)…

Q: Organelle in cells that modifies, sorts,and packages proteins and other materials from the…

A: Cell is the basic and structural unit of life. It is composed of various cell organelles and…

Q: Facilitated diffusion is a form of active transport.

A: Active transport is the movement of molecules that requires energy. It takes place against the…

Q: Through a cell extends pseudopodia to engulf large particles. O phagocytosis O receptor-mediated…

A: Ans: Phagocytosis

Q: two substances from the table above that would need to move into or out of a cell to maintain…

A: 1. Sodium (Na+):Although sodium ions (Na+) are important for nerve impulse transmission and muscle…

Q: Differentiate diffusion, facilitated diffusion and osmosis

A: Diffusion allows both solvent and solute molecules to move freely, while osmosis only allows solvent…

Q: importance of understanding transport mechanism in cells

A: Membrane transport mechanism is a mechanism which tells how the substance/ material cross the…

Q: The movement of water through a semipermeable membrane from a region of lower solute concentration…

A: A semi-permeable membrane is a membrane which allows partial transfer of molecules through it i.e.,…

Q: Active transport versus Passive transport Membrane channels versus membrane pumps

A: In this Question we have to describe about transport of iron or  molecule across the cell membrane.

Q: How would you define the term "membrane potential." The ability of a cell to perform its specialized…

A: The plasma membrane is the membrane that separates the cytoplasm or interior of the cell from the…

Q: When would a carrier protein be required in order to allow a solute to diffuse across a plasma…

A: Transport is the process of movement of molecules from one region to another region.

Q: Functions of cell membrane as traffic regulator, bidirectional and in term of concentration gradient

A: Answer: Introduction: Plasma or cell membrane is found in prokaryotic and eukaryotic cell types.…

Q: Determination is a process in which the fate and potency of a cell becomes equal the fate is the…

A: Cell determination is a process in which initially identical cells become committed to different…

Q: What role does the plasma membrane play in the regulation of intracellular fluid composition? Don't…

A: Interstitial fluid, or simply tissue fluid, is a mixture of water, ions, and small solutes that are…

Q: cell communication through plasma membrane What are the 4 types-of receptors and their downstream…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Which of the following molecules is least like to enter a cell by simple diffusion? Oxygen Carbon…

A: Diffusion is defined as the means of transport of materials from the higher concentration region to…

Q: Which of the following membrane components is found in the greatest abundance on the inner leaflet…

A: Vesicles are fluid-filled structures within a cell which is enclosed by a lipid bilayer. These are…

Q: Descibe each process and how it transports across plasma membrane. Selectively permeable…

A: Transportation is a physiological process that occurs in all higher organism like animals, plants…

Q: True or False? The selective permeability of the plasma membrane allows all substances to pass…

A: The biological membrane that encloses the contents of a cell is called the cell membrane or the…

Q: Membrane proteins may serve as binding molecules with the extracellular matrix

A: * Membrane proteins are the proteins that interact with biological membranes and they fall into…

Q: Experiment on Osmosis or diffusion

A: Osmosis is defined as the movement of solvent from a higher concentration to a lower concentration…

Q: Neurotransmitters make their way to terminal boutons from the cell body O by diffusion from a high…

A: Neurone and the main structural and functional component of nervous system. New dance metre is…

Q: Can you explain ACTIVE transport - more specifically how transport is facilitated by proteins…

A: Movements of ions and molecules in and across the cell membrane are regulated by a set of transport…

Q: What type of membrane proteins did you study in your course. Explain three types, their location and…

A: Membrane proteins are common proteins that are part of  biological membranes or also intrect with…

Q: of EA, the equilibrium potential of A,

A: 1) The concentration of A- ions is higher inside the cell (100 mM) compared to outside the cell (0…

Q: Compare between with examples and structures if present •Kinase and phosphatase (Functions)

A: Enzymes are proteins that act as biochemical catalysts to speed up a chemical reaction. It reacts…

Q: explain elaborately about the plasma membrane acts as a selective gatekeeper, the importance of it…

A: To explain The plasma membrane acts as a selective gatekeeper, its importance, and its function.

Q: what carries products secreted from the golgi to the plasma membrane

A: The Plasma membrane is made up of double layer of phospholipids and proteins. It is the outer…

Q: Water may move through membrane pores constructed by transmembrane proteins called ________.

A: Transmembrane proteins are channels used for transfer of water, ions and molecules.

Q: Classify each phrase based on whether it describes or gives an example of passive transport,…

A: Diffusion is the net movement of anything from a high concentration region to a low concentration…