Saccharides are individually moved from the epithelial cells into the bloodstream Sodium ions are moved individually from the bloodstream into the epithelial cells Sodium ions are moved individually from the epithelial cells to the bloodstream Lipids move individually into the epithelial cells from the lumen A. Simple diffusion B. Facilitated diffusion through a carrier prote C. Facilitated diffusion through a channel prot D. Active transport E. Bulk transport

Q: Magnesium ions are in higher concentration inside the cell. What process would the magnesium ions…

A: Diffusion allows molecules and ions to travel down their concentration gradient on their own.…

Q: Which of the statements about diffusion are true? Select all that apply.     A. Solutes diffuse from…

A: The movement of particles is dependent on multiple factors including the charge on particle,…

Q: What kind of transport mechanism in cells involves ligands binding to specific receptor proteins on…

A: Transport is a kind of process which is responsible for transporting the molecules from the one…

Q: Active transport of a substance across a membrane requiresa. a gradient b. the expenditure of ATP c.…

A: Cellular transport is the movement of molecules and ions across the cell membrane. Cells have two…

Q: Water moves molecules passively across a cell membrane by: a)osmosis

A:

Q: Which of the following proteins would not be produced in the Rough Endoplasmic Reticulum? A)…

A: The rough endoplasmic reticulum is composed of membranes attached with ribosomes. This gives it a…

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: Would it be possible for small ions to passively diffuse (simple diffusion) across a selectively…

A: The plasma membrane is a selectively permeable membrane that regulate the transportation of…

Q: Which of these statements about carrier-mediated facilitated diffusion is true? a. It uses cellular…

A: There is a need for the movement of substances in and out of the cell for cellular exchange. It is…

Q: Which is common between active transport and facilitated diffusion A Both uses metabolic energy B…

A: Bothe process happen with the aid of transport proteins. Facilitated diffusion is a passive…

Q: If magnesium ions are in higher concentration outside the cell, they would move into the cell by the…

A: Movement across the membrane happens through two pathways. Active mechanism and passive mechanism.…

Q: Our cells need glucose for energy. When blood glucose is low, glucose must still be moved into our…

A: Transportation is a necessary, natural, and physiological activity that happens in all higher…

Q: The diffusion stops when a substance concentration is high inside a ell: a- This can be found in…

A: Diffusion is the process that results in the net motion of particles from a region of higher…

Q: One substance flows down its concentration gradient, and the energy is harnessed to move another…

A: Active transport is a type of transport in which a cell expends energy in the form of ATP to move a…

Q: Active transport must function continuously because. a. plasma membranes wear out b. not all…

A: While passive transport keeps moving the solutes along the concentration gradient to maintain…

Q: A researcher is studying White Blood Cells (Leukocytes) of a patient infected with Tuberculosis…

A: Exocytosis : It is a process in which a cell removes the excretory substances or other cellular…

Q: A transport protein requires ATP to pump sodium ions across a membrane. This is a case of_______ .…

A: The act or the means by which a molecule or ion is moved across the cell membrane or via the…

Q: When you jump in the bath, water does not run around all your cells and directly into your body.…

A: These are water channels,  are channel proteins from a larger family of major intrinsic proteins…

Q: A young man in his 20s has a heart attack and is rushed to the hospital. Blood is drawn, and his…

A: Simple diffusion – the molecules of gases such as oxygen and carbon dioxide are tiny enough to pass…

Q: substances be transported across a membrane against their concentration gradient?

A: Some membrane proteins are ATP-dependent carrier molecules.

Q: YOUR QUESTION IS: What method of transport do fats  lipids  use to get into your cells   A.…

A: The movement of molecules across the lipid bilayer that forms the boundary between two separated…

Q: During passive transport, substances will move across a selectively permeable membrane until……

A: Passive transport is a type of transport of molecules in which there is no use of energy molecules.…

Q: Glucose is often present in very low concentrations in environments populated by microorganisms. To…

A: Glucose is a six-carbon sugar that provides the energy needed by cells. Since glucose is a large…

Q: How do small fat-soluble molecules normally get into a cell?   a. they never get in   b. the…

A: cell are the basic membrane bound unit which is the fundamental unit of life. cell is composed of…

Q: Cholesterol can be packaged into droplets using LDL (low density lipoprotein). Cells that need to…

A: Lipids, are organic compounds which are insoluble or poorly soluble in water. They are readily…

Q: What is osmosis?     a. the process where water diffuses across the cells' membrane from an area…

A: In osmosis the water (solvent) only moves across the semipermeable membrane. The solvent can't cross…

Q: 1. The specific molecule that pass through the cell membrane by osmosis . * 2. What is one…

A: Transport across the plasma membrane can be of two types. Passive transport: In this transport,…

Q: Which of the following words is missing in the following sentence: Glucose and galactose in the…

A: Glucose and galactose are absorbed by the membrane by using secondary active transport with the help…

Q: Glucose is transported across the cell membrane of intestinal cells. The cells lining the small…

A: Transportation and absorption of glucose take place in the small intestine and the proximal…

Q: Which of the following is not true regarding facilitated transport across a membrane? Select one: a.…

A: Facilitated diffusion is transfer of substances from higher concentration to lower concentration…

Q: Which of the following is true of exocytosis, but not true of facilitated diffusion? Select all that…

A: The use of secretory vesicles to transport molecules out of the cell by fusing the vesicles with the…

Q: Which energy is needed to drive the transport of molecules via active transport? A Kinetic energy of…

A: Introduction: Active transport: Active transport involves the movement of molecules from the…

Q: Typically, our cells have a high concentration of sodium ions outside and a low concentration of…

A: Because the concentration of sodium ions  is more outside the cells. This means sodium ions…

Q: The diffusion of substances within a solution tends to move those substances ________ their ________…

A: Diffusion is the movement of a substance from an area of high concentration to an area of low…

Q: During diffusion, what happens when the concentration of solutes on both sides of the biological…

A: Cell is the basic structural and functional unit of life.

Q: What is the name of the mechanism that ensures that there is a higher concen- tration of sodium ions…

A: The ions sodium, potassium, and chloride have the largest concentrations and so play the most…

Q: The movement of water and electrolytes between fluid compartments is regulated primarily by _______…

A: The cells in our body are compartments which are filled with water, fluids and electrolytes…

Q: Dehydration of a cell can occur if: a. there is an extracellular matrix to the outside of the plasma…

A:

Q: A blood cell with a 2% internal solute concentration is placed in a solution that has a 0.2% solute…

A: How would you classify the solution compared to the cell – hypotonic, hypertonic or isotonic? Why?…

Q: Which of the following statements about bulk transport is ACCURATE? a. Pinocytosis selectively…

A: Transportation of proteins and other substances is of high importance in cells, different molecules…

Q: Which form of transport through the plasma membrane requires energy by the cell? Select one: a.…

A: The plasma membranes of the cells are selectively permeable to various biomolecules and ions. The…

Q: Which of the following scenarios is an example of diffusion? A. A glass of water is spilled, and…

A: Cell transport is the development of substances across the cell layer either into or out of the…

Q: Plasma membranes are selectively permeable. This means: A. cholesterol cannot enter B. anything can…

A: Plasma membrane is also referred to as cell membrane. It is a thin membrane that surround each and…

Q: The diffusion of water across a selectively permeable membrane is called? A. Active transport B.…

A: Diffusion is defined as the migration of a chemical from a high-concentration area to a…

Q: A. What is the difference between: 1. a. Passive transport- b. Active Transport- 2. a. Facilitated…

A: Active or passive transport is the transport process that is movement of molecules. Membrane…

Q: WHAT ARE THE CONCEPT, APPLI AND IMPORTANCE OF THE FOLLOWING? I. Translocation through an artificial…

A: Osmosis :  Osmosis is the spontaneous movement of solvent molecules through a semi permeable…

Q: Match the type of substance with the likely mechanism used to move material across the cell…

A: There is a continuous exchange of materials in and out of the cell. Cells employ several mechanisms…

Q: Molecules that are too large to be moved across a cell membrane can enter the cell by? A. Diffusion…

A: The movement of particles (solute) across or through a membranous barrier is referred to as membrane…

Q: Choose the processes from the list below which require active transport  A. Water moving through the…

A: Active transport is used to move substances against their concentration gradient with the…