What are the three types of channel proteins, and whatsignal causes each to open or close?

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: How do the pumps and channels differentiate between sodium and potassium ions to selectively move…

A: The controlled movements of ions into and out of cells and organelles are essential for all life as…

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: What is a secondary transporter? Why are they called secondary?  What is [3 H]Leu? Explain both 3H…

A: It is a type of active transport. It falls across a biological membrane. Here a transporter protein…

Q: through cell membranes, explain why all cell types are not sensitive to the presence of 17 beta

A: 17 beta estradiol is formed in the ovaries, testes or adrenal glands. It is made from cholesterol.

Q: What is protein kinase?

A: Answer- kinase is a type of enzyme that is used to transfer the phosphate group from high energy…

Q: What organelle is less developed in cardiac muscle than in skeletal muscle? How does this affect the…

A: The cells having the contracting properties is muscle tissue. Muscle cells that are excitable…

Q: The correct order of events in the cycle of the synaptic vesicle approximate a) recycling reserve…

A: Synaptic vesicles are vesicles having neurotransmitters and gets released at synapse to transmit…

Q: What is the purpose of gating in the transport channel?

A:

Q: Fatty acids must associate with lipid chaperones in order to move within the cell. Why are these…

A: Fatty acids must associate with lipid chaperones in order to move within the cell because Fatty…

Q: What is the role of Centrioles?

A: The cell consists of may cell organelles inside it. The cell is performs may functions all the…

Q: What are the three types of cell signal receptors found in the plasma membrane?

A: A receptor is a molecule that is present inside or on the surface of the cell. This receptor…

Q: What are several other examples of ligands that canundergo receptor-mediated endocytosis?

A: Endocytosis is a type of active transport of substances.

Q: Explain the Structures of activators?

A: Activator;- are modular proteins contains a single DNA binding domain  and one are few activation…

Q: If membrane proteins are integrated into the ER membrane by means of the ER protein translocator…

A: Protein Translocator: It is a process in which the proteins are moved between the cellular…

Q: How are desmosomes and tight junctions functionally similar? How do they differ?

A: Tight junction: It is an impermeable junction at which adjacent plasma membranes are linked…

Q: 175. A 70-year-old man comes to the physician because of a 1-month history of heavy, pressing…

A: The objective of the question is to identify the location within the cell where a drug-induced…

Q: Describe Cross-Bridge Activation?

A: When the nervous system sends a signal to the muscles for the contraction. The stimulus, an action…

Q: List four intracellular mediators affected by G proteins.

A: G-protein-coupled receptors (GPCRs) are the largest and most diverse group of membrane receptors in…

Q: What are M phase with example?

A: Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…

Q: SERCA pump

A:

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: What is the basis of channel opening?

A: Ion channels are pore forming membrane proteins that allow ions to pass through the channel pore.…

Q: Name and define (briefly) the four different types of receptors involved in Cell signaling. Give an…

A: Answer.  The four different types of receptors involved in Cell signaling are: 1. G-protein coupled…

Q: This graph shows the electrical charges of the cytosol at one spot along an axon or muscle cell. a)…

A: * The three stages in membrane potential are  Depolarisation  Repolarisation Hyperpolarisation *…

Q: According to the “Hawaiian Punch” principle, different compartments of the secretory and endocytic…

A: "Hawaiian Punch" principles states that various compartments of endocytic and secretory pathways are…

Q: Is the movement of sodium through SGlut-1 during co-transport simple diffusion, facilitated…

A: Simple diffusion is a type of passive transport along the concentration gradient. Facilitated…

Q: Consider the amino acids on the image below. Which of the following amino acids would be most likely…

A: Protein is an essential macronutrient. It is found throughout the body of living beings in muscle,…

Q: Acidification is achieved by an H+ pump in the endosomal membrane, which also contains Cl– channels.…

A: Vacuolar H+ ATPase proton pumps that are also involved in mitochondrial ATP generation are…

Q: What are the three types of coated vesicles involved in membrane trafficking. Name three types and…

A: The three types of coated vesicles involved in membrane trafficking are clathrin-coated,…