Process: State (at right)

Q: The inside negative membrane potential is a force that helps support... a.) the movement of…

A: *Membrane potential forces ions to move passively in one direction. *positive ions are attracted by…

Q: Ions cannot cross directly through a lipid bilayer, yet we know they travel in and out of cells.…

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

Q: "In a beaker containing 6% NaCl, you place a cell which contains 0.9% NaCl. NaCl doesn t cross the…

A: Introduction :  Osmosis is a passive process and happens without any use of energy. It involves the…

Q: 5) Types of coated vessicles help with coordinating intracellular transport. Which is an example of…

A: Here we know about intracellular transport through various types of coated vesicles.

Q: 15. In order to function, all extracellular signal molecules must be transported by their receptor…

A: True, extracellular signaling molecules must be transported by their receptors across the plasma…

Q: You Are Examing A Protien That Is Secreted By White Blood Cells.What Is The Most Likely Route This…

A: Secretory proteins are always secreted out of the cells and include hormones, enzymes, toxins,…

Q: Question:The phospholipid composition of cell membranes causes the membranes to be impermeable to…

A: Water is not soluble in fatty acids of phospholipids. Fatty acids are non polar molecules and…

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: When an animal cell is placed on an isotonic solution, water molecules will A) Move out of the…

A: An isotonic solution has the same osmolarity (concentration of solutes) as another solution. Water…

Q: Match the definitions with the words: Direct Diffusion, Facilitated Transport, Active Transport a)…

A: The one primary distinction between faciliated and active transport  active transport needs energy,…

Q: 45. Which statement does NOT describe a strategy used by multicellular animals to maintain osmotic…

A: Introduction :- The contractile vacuole is an organelle found in some single-celled organisms such…

Q: Cell Membranes are: A)Fully permeable B)Impereable to all solutes c) Impereable to 50% of any…

A: Cells are the primary units of existence that make up all dwelling matters. Cells, much like the…

Q: In one statement maximum, explain what a hypertonic solution is in reference to solute…

A: Based on the concentration of solute molecules present there are three types of solutions: 1.…

Q: 1) For a protein to be an integral membrane protein, it would have to be A) hydrophilic B)…

A: Plasma membrane forms the external boundary of the cell. It is semipermeable and its main function…

Q: Hydrophobic signal molecules typically ...     a)  bind to receptor proteins in the cytosol.   b)…

A: Introduction :- Signal transduction is the process through which a cell receives signals from the…

Q: Osmosis, the diffusion of water is distinct from the diffusion of oxygen because a) oxygen is a…

A: Osmosis, the diffusion of water is distinct from the diffusion of oxygen because?

Q: Diffusion means that a)  smaller particles move across the membrane faster. b)  all particles…

A: The movement of particles from an area of higher concentration to an area of lower concentration…

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: 19. Which of the following statements is FALSE? A) Nucleotides and amino acids can act as…

A: Growth factors, hormones, cytokines, and neurotransmitters are examples of extracellular signaling…

Q: Trans bilayer diffusion is also calleda) Facilitated diffusionb) Lateral diffusionc) Flip flopd)…

A: Diffusion is the process of passing of the molecules through the cell membrane according to their…

Q: 3. As the radius of a cell increases, which statement is true? Sphere surface area = A=4πr2 Sphere…

A: If the radius of cell is been increased to 3x, then its surface area will be increased to 9x and…

Q: What is the primary characteristic of peripheral membrane proteins? A: They cannot be…

A: Ans(D) : The primary characteristic of peripheral membrane proteins - (D)Weak intermolecular forces…

Q: Which of the following are the common features for both adenylate cyclase and guanylyl cyclase? a)…

A: Proteins that function as biological catalysts are known as enzymes. Catalysts help to speed up…

Q: Carrier proteins that bind to substances to move them through the membrane and proteins that form…

A: Proteins are one of the integral groups of biomolecules. They have diverse functions such as…

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

A: There are many proteins present in the cell membrane to transport substances across the cell…

Q: Passive Cellular Transport Assignment-Student Edition IV. The image below shows red blood cells…

A:

Q: he principal force driving movement in diffusion is: a) gravity b) random movement of particles in…

A: Diffusion is defined as the movement of particles from region of higher concentration to a lower…

Q: Imagine you are working in a lab and you examine an unknown cell only to discover it gap junctions…

A: Introduction :- Gap junctions are membrane channels that mediate the movements of ions and small…

Q: How does a chloride ion move across a membrane? a) osmosis b) facilitated diffusion O c) dynamic…

A: Introduction  A membrane is a thin, sheet-like structure that separates and defines the boundaries…

Q: Which is an example of passive transport? a) A membrane protein uses a hydrogen ion concentration…

A: Membrane transport allows transportation of material or substance into the cell and out of the cell…

Q: In which situation would passive transport not use a transport protein for entry into a cell

A: Transport can take place in two ways mainly -  Passive transport - move along the concentration…