Q: Does diffusion require energy to occur
A: Diffusion is a kind of transport in which dissolved substances or particles move from region of…
Q: If salt moves out of the cell, what process is moving the salt?
A: The movement of salt and sugar usually takes place from the areas of higher concentrations to lower…
Q: What is the difference between osmosis and diffusion?
A: Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane…
Q: Under what environmental conditions does water move into a cell byosmosis?
A: Osmosis is a spontaneous movement of molecules (solvents) through a semipermeable membrane into an…
Q: What is cryopreservation?
A: Conservation or protection of resources and species is required for sustainable development. Several…
Q: What is Endocytosis ? Explain the process ?
A: During endocytosis material that is being transported into the cell is parked into a sac-like…
Q: What type of cell transport is shown below? АТР
A: Cell membrane is the semipermeable membrane that Is present in the cell. This membrane allows the…
Q: Which cell shape is best adapted for the rapid movement of substances from one cell to another?
A: Squamous cell shape is best adapted for the Rapid movement of substances from one cell to another.
Q: Which elements are cytoskeltel elements?
A: The cytoskeleton is a structure of cell which helps the cells to maintain their shape and internal…
Q: Endocytosis is a process when the cell uses to release the waste product.
A: False.
Q: A single-celled organism is shown performing an activity essential to survival. Wastes If the…
A: Active transport is also known as uphill transport which requires the transport of molecules from…
Q: If a cell ejects or loses its nucleus, what is its fate and why?
A: NUCLEUS:- It is a double membrane organelle with minute pores called nucleopores. It is responsible…
Q: Where does the cell get energy for active transportprocesses?
A: The cell harvests energy from ATP produced by its own metabolism to control dynamic transport…
Q: If a cell is in interstitial fluid that is hypertonic to its cytosol, how does this affect the cell?…
A: Introduction Salinity refers to the concentration of salt. it plays the major role in the cell…
Q: If we swim in Dead Sea water, are our cell plasmolyzed ? Why?
A: Dead sea water is salty having more salt concentration and less solvent (water) concentration in the…
Q: What happens to cells in isotonic solutions?
A: Tonicity is a term used to compare two types of solutions. The solution with higher solute and low…
Q: When a cell ingests a bacterium, what role does the nucleus play?
A: Introduction All the cellular activities are basically controlled by the cell nucleus as nucleus…
Q: Which describes a cell after diffusion?
A: Diffusion is defined as the movement of a substance from a high concentrated area to a low…
Q: What is the movement of cells by some form of self-propulsion called?
A: Cell is the basic structural and functional unit of all living organisms. Cells are classified into…
Q: What is Exocytosis?
A: Cell transports are the movements of substances through the cell membrane. The material has the…
Q: The cytoplasmic division at the end ofmitosis is called
A: The cell is the basic structural and functional unit of our body. It carries out many functions in…
Q: Which is the reverse process of osmosis?
A: Osmosis Osmosis is a special case of diffusion. Osmosis can be defined as the process where water…
Q: When the diffusion process is not sufficient to provide raw materials and energy?
A: Diffusion is the moving of substances as per the concentration gradient, which is from a region with…
Q: What organelles are involved in vesicle transport?
A: Transport is an act in which the water, ion, chemical molecules are move outside or inside a…
Q: why does a cell require both active and passive transport?
A: Active transport is the passage of a substance (salt or ion) from a region of lower concentration to…
Q: Why does a cell hyptonic burst?
A: All the cells have a membrane surrounding their organelles which allow support, protection and…
Q: How does Cytochrome C contribute to the induction of cellular apoptosis?
A: Apoptosis is a programmed cell death. It is a mechanism by which the error prone cell genome or…
Q: the major factor limiting cell size is the
A: The size of a cell is limited by the surface area to volume ratio. The surface of a cell is composed…
Q: Identify and explain the process by which cells expel materialsin bulkb
A: The movement of chemicals through the cell membrane is referred to as cell transport. The ability of…
Q: why is it important to understand the transport mechanism in cells
A: Introduction: The cell membrane is also known as the plasma membrane. It is approximately 7 to 10 nm…
Q: What is cytoplasmic streaming? What problem for larger cells is addressed by cytoplasmic streaming
A: Cytoplasmic streaming is the process in which there is the movement of the fluid substance within a…
Q: What Is Passive Diffusion?
A: Molecules can move via biological membranes via 2 main methods : active and passive transport.…
Q: Why do cells lack membrane transport proteins that are specific for the movement of Oxygen?
A: Membrane transport proteins can transport molecules across the cell’s semi-permeable membrane…
Q: What is the unit of packed cell volume
A: Blood is a liquid substance which flows in the blood vessels and carry nutrients and oxygen to the…
Q: Does active transport move large/charged particles?
A: Active transport is a type of membrane transport that allows the movement of large and polar…
Q: The oxygen we breathe crosses to the plasma membrane in our lungs blood capillaries using this…
A: The oxygen we breathe crosses to the palsma membrane in our lungs blood capliiaries using the…
Q: Why does the cell wall prevent osmotic lysis but not prevent plasmolysis?
A: Osmotic lysis or cytolysis occurs when a cell bursts due to osmotic imbalance that has caused excess…
Q: why is it important for cells to maintain a smaller size?
A: All the organisms are composed of the cell. It maintains the structure and functions of the body.…
Q: what transport proteins are involved is getting ca2+ out of cytosol
A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…
Q: Distinguish active transport from passive transport; phagocytosis and pinocytosis.
A: Movement of molecules across a membrane is classified into two categories: active and passive…
Q: If you eat salty foods, your ECF becomes concentrated and hypertonic which, technically, could lead…
A: Homeostasis of water and electrolytes are well regulated in our body for normal and healthy…
Q: Which process does take place in cytoplasm?
A: The material present inside the cell except for the nucleus that is enclosed in a cell membrane is…
Q: Define diffusion. How does this differ from osmosis?
A: Students are typically asked to compare and contrast osmosis and diffusion. The answer to the…
Q: Cell motility is facilitated by the presence of cytoskeletal components called
A: Cells are the fundamental functioning units of all living organisms. The knowledge of cell biology…
Q: What is the immediate source of energy for simple diffusion? for facilitated diffusion?
A: The process resulting from random motion of molecules by which there is a net flow of matter from a…
Q: In which fluid cells are suspended?
A: Cells are the fundamental, functional unit of life. The cell was discovered by Robert Hooke. All…
Why would a cell ferment rather than respire?
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- What mechanism causes a cell to tumble?Explain why cells are small.If oxygen is more concentrated outside a cell than insidea). the oxygen will tend to diffuse out of the cell.b). the oxygen will tend to diffuse into the cell.c). the oxygen will move into the cell by active transport.d). these will be no movement of the oxygen