A very small, uncharged molecule passes easily through the cell membrane. Which of these statements is the most likely explanation? the cell is expending energy to do this a protein carrier must be at work the cell membrane is mostly composed of liquid lipid molecules phagocytosis has enclosed this molecule in a vacuole

Q: The transport of nutrients across a membrane against a concentration gradient using protein carriers…

A: Transport across the membranes: it occurs via either active transport which required direct energy…

Q: Vesicles forming at the plasma membrane, or at the trans face of the Golgi, and destined only to…

A: In biology,  a vesicle is a structure within or outside a cell, consisting of liquid or cytoplasm…

Q: When a human leukocyte (white blood cell) “consumes” a bacterial cell, this process is called:…

A: Endocytosis is a process of taking particles or substance into the cell by pinching the membranes of…

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: Which of the following are involved in receptor-mediated endocytosis? Choose all that apply. There…

A: Endocytosis  The process in the cell by which different substances are brought ib side the cell.

Q: This type of cell transport does not require energy for the molecules to be transported. Passive…

A: Passive Transport Movement of molecules across cell membranes which requires no metabolic energy and…

Q: ollowing figure shows the process of: High glucose concentration (Glucose] Glucose], tive transport…

A: Transport across the cell is very necessary because some of the substances are present outside in…

Q: Why would a cell produce cytokines when a PRR detects microbial components?

A: Answer- PRRs are the pattern recognition receptors that are present on macrophage and dendritic…

Q: For each statement, indicate whether energy is or is not required. Phagocytosis Proton pump 1.…

A:

Q: Which of the following is true regarding the smooth endoplasmic reticulum (SER)?   Group of answer…

A: The smooth endoplasmic reticulum (SER) is a cell organelle that plays a vital role in a variety of…

Q: proteins are inserted into the membrane rather than being loosely associated with its surface.…

A:

Q: Of the following cell transport mechanisms, which mechanism does not require energy to move…

A: Membrane transport is dependent upon the permeability of the membrane, transmembrane solute…

Q: The exchange of gases in our lungs is through osmosis Ophagocytosis diffusion adhesion O…

A: The exchange of oxygen and carbon dioxide occurs in very tiny air sacs called alveoli. Alveolar…

Q: Molecules transported in the fast phase of axoplasmic transport are:  Select all correct answers.…

A: Axoplasmic transport occurs in neurons. It is the transport by which proteins and other substances…

Q: Receptor-mediated endocytosis O results in the formation of clathrin-coated vesicles. O is also…

A: Solution -  Receptor-mediated endocytosis -  -Receptor-mediated endocytosis a method by that cells…

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: A substance moving across a membrane against a concentration gradient is moving by:   active…

A: The movement of ions and molecules across the cell membranes or through the bloodstream is known as…

Q: The cell structure responsible for controlling which molecules enter and leave the cell and for the…

A: A cell is defined as the smallest unit of a living organism which is the basic structural,…

Q: The fluid mosaic model describes the structure of the plasma membrane. Embedded within the plasma…

A: Carbohydrates have an important part in cell-cell recognition. Carbohydrates provide specialised…

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

A: Active Transport When a solute moves in accordance with osmotic , concentration or the electrical…

Q: phagocytosis is where a cell envelopes larger particles using its cellular membrane. Ture or false

A: Introduction  The cell membrane, also called the plasma membrane, is a thin and flexible barrier…

Q: Proteins involved in provide a channel for solutes to move across the membrane. enzyme activity…

A: Introduction  Proteins are the key biomolecules in the biological system, any important…

Q: Define cell-adhesion molecules (CAMs),

A: The bacteria invading the human body are first recognized by immune cells of the body and destroyed…

Q: How is transport across the cell membrane controlled?

A: An important role of the plasma membrane is to trasnport things in and out of the cell. It basically…

Q: Which of the following will increase frequency of cell-cell interactions, that are also important…

A: Cell- Cell interactions refers to the direct interactions between cell surfaces that play a crucial…

Q: Moat drug act by altering the various body control systems.Name the binding site located on the…

A: A drug can be defined as any substance that brings a change in an organism's physiology/psychology…

Q: Which statement is not true of endoplasmic reticulum? There is smooth and rough endoplasmic…

A: The endoplasmic reticulum (ER) is an orgenelle present in cells. They plays an essential role in…

Q: Choose between osomosis, active transport, facilitated diffusion, simple diffusion, endo-exo…

A: The two major types of cell transport include passive transport and active transport. Passive…

Q: Diffusion is incredibly important for the proper functioning of cells. Our question today is whether…

A: In order to examine the potential role of diffusion in the observed similarities in size and shape…

Q: Description Phagocytosis Exocytosis Brings large substances into the cell Concentrates a specific…

A: In cell biology, Cytosis is defined as the transport of large quantity of molecules from or into the…

Q: When a human white blood cell “consumes” a red blood cell (erythrocyte), this process is called:…

A: Endocytosis is a process of taking particles or substance into the cell by pinching the membranes of…

Q: A vesicle that is created by the cell "eating" a large molecule from outside the cell is called a…

A: Introduction :- By engulfing molecules from the outside of the cell in a vesicle, endocytosis is the…

Q: Which of the following is related with getting the sodium ions inside the cell membrane 1_primary…

A: cell membrane is act as barrier to pass on the selected molecules pass through the membrane

Q: cells exchange small molecules and ions are probably connected by tight junctions true or false?

A: Introduction:-  Tight junctions are a type of intercellular junction that form a barrier between…

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: hagocytosis of a bacterial cell by a macrophage, involves extensive remodeling of the actin…

A: The cytoskeleton is a network of protein fibers responsible for cell shape, and movement of the…

Q: A cell junction is connecting the cell's cytoskeleton to the basement membrane. This is a ______…

A: Cell junctions consist of multiprotein complexes. These provide contact or adhesion between…

Q: Secretory vesicles (destined for exocytosis) that fuse with the plasma membrane continuously, with…

A: Secretory vesicles are tiny little packages that contain certain cell secretions that can be…