Which of the following is the limiting factor for cell size? a density b volume c surface-to-volume ratio d surface area

Q: area of a skin cell

A:

Q: hich of the following processes DOES NOT involve EMT? Cancer metastasis. B) Formation of the neural…

A: Epithelial mesenchymal transition is an important process where, polarized epithelial cells undergo…

Q: Which of the following molecules would be able to passively diffuse into or out of the cell?…

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

Q: Energy is required for materials to move into the cell via pinocytosis. True False

A: The question is asking whether energy is needed for the process of pinocytosis, a type of…

Q: A cell's normal surface area:volume ratio (SA:Vol) is 3:1. As a rest of unusual uptake of water, it…

A: When a cell takes up an unusual amount of water its volume increases causing a decrease in its…

Q: The left beaker contains 9mM NaCl and 9mM glucose solution.The right beaker contains distilled…

A: Since the membrane is permeable to water, water molecules will be able to move across the membrane…

Q: The following involves the expelling of dead organelles and/or foreign substances out of the cell: O…

A: Biomolecules migrate around the body, going from one location to another. The molecules can pass…

Q: Study the following diagram of a typical cell and name the labeled structures. 8 1 9. 2 10 3 11 12…

A: Introduction: The cell is regarded as the fundamental unit of life as all tissues, and any organized…

Q: draw and label: polar region and non region. Types of transport (passive/active, diffusion,…

A: The movement of water in and out of the cell takes place via diffusion and all the gases are…

Q: Which of the following will occur when a cell is placed into a hypertonic solution? A. The cell…

A: Osmosis is the term which refers to the process of molecular movement through a selectively…

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 protein collagen is manufactured and secreted by skin cells. Collagen provides strength and…

A: Introduction :- Collagen is a fibrous protein that is an important component of the extracellular…

Q: If a cell is placed in a hypertonic solution of NaCl (which becomes Na+ and Cl- when dissolved in…

A: EXPLANATION:=.…

Q: Sodium-potassium pumps move ___________________ ions _______________ of the cell and…

A: The sodium–potassium pump is found in many cell (plasma) membranes. Powered by ATP. The…

Q: Movement of cell against concentration gradient is called: A. osmosis B. active transport…

A: Movement of ions and molecules in and across the cell membrane is regulated by a set transport…

Q: Zero order kinetics refers to: A Rate is dependent of concentration or amount of chemical B Rate of…

A: 1. Zero-order absorption occurs when a substance is taken at a nearly constant rate. A fixed amount…

Q: The cell membrane surrounds some smaller molecules in solution and takes them into the cell. This is…

A: Introduction: A bilayer forms the cell membrane. This is composed of phospholipids with polar,…

Q: estimate the number of cells there are in the human body taking the volume of a cell is v= 1000um^3…

A: A cell is the basic structural and functional unit of life. The study of cell is known as cell…

Q: Which of the following is not one of the three main parts of the cell? a. cell membrane b. nucleus…

A: Introduction: A cell is the structural and functional unit of the body. It is a self-sustained tiny…

Q: The surface areas to volume ratio determines how efficiently a cell exchanges material with its…

A: The surface areas to volume ratio determines how efficiently a cell exchanges material with its…

Q: The following diagram shows the effect of osmotic concentration on a plant cell. Using the terms…

A: The measure of osmotic pressure gradient  of two different solution that is separated by the…

Q: relationship between cell size and the efficiency of diffusion in a model cell

A: Answer: Cell size is limited by a cell's surface area to volume ratio.A smaller cell is more…

Q: A normal, healthy cell is in contact with many other cells. Using this information alone, which of…

A: The cell is the basic structural and functional unit of life. The cell determines the regulation of…

Q: Which statement is accurate concerning simple diffusion and facilitated diffusion? In facilitated…

A: The process by which molecules or substances move from a region of higher concentration to a region…

Q: Which of the following can enter the cell by diffusion through the plasma membrane?   A. salts…

A: The only molecules that can freely diffuse across cell membranes are the smallest ones, including…

Q: In Cell #2, which of the following organelles would directly participate in synthesizing membrane-…

A: The correct answer of this question are Endoplasmic reticulum & Ribosomes. Endoplasmic reticulum…

Q: Why is it always important to have a positive and negative control?

A: Negative controls can be referred to as specific samples associated with the experiment. These are…

Q: The cytoplasm of a certain cell is composed of a solution that is 98% water, 2% solutes. Consider…

A: Introduction  Tonicity is a measure of the relative concentration of solutes dissolved in two…

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: When placed in a solution of 30% water and 70% salt, what would happen to a cell that is 70% water?…

A: The plasma membrane is selectively permeable in nature that allow the movement of molecules…

Q: what do you think scientists mean when they say that the cell membrane is fluid

A: The inner region of the cell is separated from the outer environment by a protective membrane…