Which of the following statement(s) about passive processes of membrane transport is false? a. cellular energy is not required b. substances move along its concentration gradient c. all require the aid of proteins during transport d. all of the above e. none of the above

Q: Among the membrane transporters, the channels require energy and therefore are involved in active…

A: Channel protein form pores through membrane allowing the free diffusion of any molecule of the…

Q: Which of these processes are membrane-crossing mechanisms that require no energy input? Select all…

A: Transport mechanisms are of two types - active transport that requires energy expenditure and…

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: Type of transport protein (channel or carrier/transporter?) K leak channel i glucose transporter…

A: Type Of  transport protein (channel or carrier/ transport)performs active or passive transport…

Q: In which way are voltage-gated ion channels and active transporters similar?  a   they are…

A: The molecules and ions can travel through the membranes. The membranes include the cell membrane,…

Q: Which of these transport pathways require ATP? Select all that apply.     A. Sodium-potassium pump…

A: Primary active Transport utilizes External energy like ATP. Examples -Sodium Potassium pump .In this…

Q: Osmosis is the flow of solution from higher concentration to a solution of lower concentration…

A: Osmosis is a passive movement which means that it does not consume the metabolic energy for the…

Q: Concerning the process of diffusion, at equilibriuma. the net movement of solutes stops.b. random…

A: Diffusion is the net movement of the molecules from an area of high concentration to an area of a…

Q: Which statement is NOT true of membrane transport • proteins? A. Their specificity depends on their…

A: They are integral membrane proteins that facilitates the movement of various substances across the…

Q: Using the figure above, indicate if each statement is true or false. The ions are moving against…

A: Answer: ELECTROCHEMICAL GRADIENT : It is defined as the difference in the chemical ions across the…

Q: Which of the following statements is NOT TRUE about membrane transport? to facilitate movement of…

A: Introduction  The term "membrane transport" refers to a group of systems that control the movement…

Q: Which of the following is FALSE regarding membrane transport? O A cell can add proteins into its…

A: In cell biology, membrane transport refers to the accumulation of processes that control the passage…

Q: Active transport across membrane can be mediated by the following mechanisms:     “Uphill”…

A: Active transport across cell membrane is the movement of molecules from lower concentration to…

Q: Which of the following best describes a hypotonic solution? There is a higher concentration of…

A: Hypotonic means solute concentration is lower than solvent in a solution.  When in a solution…

Q: Active transport moves molecules OA. toward the region of lower concentration of the molecule. OB.…

A: Active transport is defined as a type of cellular transport in which molecules tend to move from an…

Q: Which is the complete description of active transport? The movement of molecules from an area of…

A: Transport is process of movement of molecules from one region to another across plasma membrane.…

Q: The Na/K pump in epithelium cells that line the gut is an example of ______ transport and helps __…

A: The Na/K pump remain present on the outer plasma membrane of the cell. It is considered as an…

Q: Which of the following is not true about Active transport

A: Answer: ACTIVE TRANSPORT = It is the movement of solute particles against the concentration gradient…

Q: esearchers tried to explain how vesicular transport occurs in cells by attemptihg tô icrotubular…

A: Researches tried to explain how vesicular transport occurs in cells by attempting to assemble the…

Q: Which of the following does not directly or indirectly require an energy source?a. primary active…

A: All the organisms directly or indirectly require energy in the form of ATP to perform various…

Q: In contrast to transporters and carriers, channels: O Are selective for the specific solutes (e.g.,…

A: Cell is separated from the external enviroment with the help of cell membrane. This cell membrane is…

Q: Neurons are especially vulnerable to defects in transport due to the extreme length of the neuronal…

A: Neurons: it is helpful in receiving and sending the signals to the brain. It is the fundamental part…

Q: 1. Examine each one and discuss it's function in a cell membrane. Determine if you think each one is…

A: 1. Potassium channel Transport type - Passive transport.  Energy source - Energy not required.   2.…

Q: Liver cells are in contact with the blood and exchange a variety of substances with the blood plasma…

A: Plasma membrane is not permeable to all molecules. charge molecules are not permeable to plasma…

Q: Which of the following describe active transport or is an example of a transport of a substance…

A: Since you have posted a question with multiple questions, we will solve the first question for you.…

Q: Which of the following would be most likely to move across the membrane without a transport protein?…

A: The objective of the question is to identify which substance among the given options can most likely…

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: Name the membrane transport mechanism that Ca2* would most likely use to diffuse across the…

A: Ca2+ are transported by Ca2+ pumps which are mainly present on smooth endoplasmic reticulum (SER)…

Q: Which of the following characteristics may be used to describe Active Transport? Select all that…

A: When transport of substances occurs from one cell to another cell then this is called as short…

Q: Which feature is typical of primary active transport?     The transport protein must cross to the…

A: Transportation is an essential, natural and the physiological process which occurs in all the higher…

Q: which of the following statements is correct about the movement of water across a plasma membrane…

A: Introduction :- Ion channels are specialized membrane proteins that create selective pathways for…

Q: Passive transport across the membrane mediated by a carrier—     would not be saturated by…

A: Membrane transport refers to the movement of ions, molecules, and other substances across the cell…

Q: As a cell grows its plasma membrane expands. Does this involve endocytosis or exocytosis? ATP is not…

A: All living cells are surrounded by a thin, semi-permeable membrane called the plasma membrane, also…

Q: Active transport is different from passive transport because a. no additional energy is required.…

A: Transport is defined as the process of transfer in the molecules from the one side of the membrane…

Q: The sodium–potassium pumpa. helps establish an electrochemical gradient across the membrane.b.…

A: The electrochemical gradient can be defined as the gradient of electrochemical potential, usually…

Q: compare and contrast the four in tables 1. active and passive transport

A: "Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Which of the following Ca++ ion channels removes calcium ions from the cytoplasm of the cell? 1.…

A: Calcium ion channels are ion pumps which are selectively permeable to calcium ions only.

Q: Which of the following is incorrect about membrane transport systems? a.   Glucose transport in red…

A: Introduction  Membrane transportation refers to the flow of particles (solute) through or through a…