which of the following best explains diffusion? which of the following best explains diffusion?

With the phosphate group gone, the pump will change back to its original form, opening towards the interior of the cell. Which of the following explains the prevalence of banana plantations in Central America? O To edit the mRNA strand and make it ready to leave the nucleus. Secondary active transport involves the movement of water by osmosis into a cell. Passive processes that move substances across membranes ________. The hypertonic solution is one one side of the membrane and the hypotonic solution on the other. _{15}^{\mathrm{a}} \mathrm{X} & \rightarrow \beta+^{32} \mathrm{b} \end{aligned} If the outside environment of a cell is water-based, and the inside of the cell is also mostly water, something has to make sure the cell stays intact in this environment. fats and proteins yield too much energy for the cells to process. Which of the following best compares a technological consequence of the Green Revolution in more developed and less developed countries? Which of the following best explains the significance of similarities between the farming practices for apple orchards and grape vineyards? Grocery stores sell oranges that are grown in locations with similar climates but different growing seasons. This allows red blood cells to carry oxygen all over your body. C. The IV fluid should be hypertonic to the patient's blood. At 3M, we discover and innovate in nearly every industry to help solve problems around the world. The Green Revolution led to an increase in food production in many places around the world, but there have been some negative consequences. Allison Soult, Ph.D. (Department of Chemistry, University of Kentucky). What type of cellular extension have you observed? A substance moves by facilitated diffusion into a cell. Solved QUESTION 28 Which of the following best explains the - Chegg \dot{Q}_{\mathrm{H}}=500 \mathrm{kW}, \dot{W}_{\text {cycle }}=250 \mathrm{kW}, \dot{Q}_{\mathrm{C}}=200 \mathrm{kW}} \\ {\text { c. } \dot{W}_{\text {cycle }}=350 \mathrm{kW}, \dot{Q}_{\mathrm{C}}=150 \mathrm{kW}} \\ {\text { d. } \dot{Q}_{\mathrm{H}}=500 \mathrm{kW}, \dot{Q}_{\mathrm{C}}=200 \mathrm{kW}}\end{array} In this experiment, the food coloring that gets added is the same temperature in each of the hot and cold water tests. Secondary active transport involves the movement of a substance into a cell through a protein channel with its concentration gradient. The sugar dissolves and the mixture that is now in the cup is made up of a solute (the sugar) that is dissolved in the solvent (the water). Wheat was first domesticated in Mesopotamia because of a favorable climate and a great diversity of wild grains that led to crossbreeding of seeds. In the case of a cell, positive and negative charges are separated by the barrier of the cell membrane, with the inside of the cell having extra negative charges relative to the outside. "Permeable" means that anything can cross a barrier. Simple diffusion is merely the movement of molecules along their concentration gradient without the direct involvement of any other molecules. This can even be observed visually by the addition of different colored dyes to each of the liquids. The use of improved plant hybrids and agricultural chemicals. If a person is severely dehydrated, their extracellular fluids will become hypertonic to the intracellular fluid. B. ribosome The mechanization of farm work allowed many young people to migrate and join a growing urban industrial workforce. (1967). The mixture of a solute in a solvent is called a solution. molecules move through transport proteins that have been activated by ATP. A solution that contains fewer solutes than the cell is ________ to the cell. Invention of the plow eased the intensive use of labor, and the innovation of mechanized farm equipment led to improved food production. The passive process that involves the movement of water through aquaporins is ________. The rate of diffusion depends on the nature of interaction between the medium and material. Water molecules will move from the side of higher water concentration to the side of lower concentration until both solutions are isotonic. Dairy cows must be kept close to farmhouses, as they require daily milking, and milk must be produced close to consumers, as it is highly perishable. Farmers in less developed countries were able to increase their profits from growing and exporting high-yield grain to levels similar to those in more developed countries. If you forget it there is no way for StudyStack Put it in freshwater, and the freshwater will, through osmosis, enter the fish, causing its cells to swell, and the fish will die. Just like the first cup, the sugar is the solute, and the water is the solvent. Which statement displays the address of the variable num1? The phospholipid is a lipid molecule with a hydrophilic ("water-loving") head and two hydrophobic ("water-hating") tails. Which of the following solutions contains the most solute? Here, the cell can't import glucose for free using diffusion, because the natural tendency of the glucose will be to diffuse. Determine the type of membrane transport used to transport these sodium ions. Which of the following is used to export large molecules from the cell? Its tempting to simply make an argument based on stoichiometry: for every three ions of sodium that move out, only two ions of potassium move in, resulting in a more negative cell interior. Muscle cells require an abundant amount of ATP to function. If a route such as a channel or carrier protein is open, sodium ions will move down their concentration gradient and return to the interior of the cell. Biologydictionary.net, April 27, 2017. https://biologydictionary.net/diffusion/. Which of the following best explains the process illustrated by the image? Diffusion and Osmosis - Difference and Comparison | Diffen Which of the following is most likely to move through the cell membrane by facilitated diffusion? The IV fluid should be isotonic to the patient's blood. Direct link to Sam's post 1) The "sodium/glucose sy, Posted 7 years ago. Which of the following best describes advances in the production of textiles during the Second Agricultural Revolution and the Industrial Revolution? Fish cells, like all cells, have semipermeable membranes. The hypertonic solution has a lower water concentration than the hypotonic solution, so a concentration gradient of water now exists across the membrane. What do you predict will happen to the person's cells? Agricultural settlement patterns are partly determined by the survey system used to organize landownership. Can you predict, based on the first way of doing the experiment, what might change, if anything? If you're seeing this message, it means we're having trouble loading external resources on our website. Animal Gas Exchange and Transport | Organismal Biology - gatech.edu The Diffusion of Oxygen, Carbon Dioxide, and Inert Gas in Flowing Blood. Which of the following best describes the impacts of the Second Agricultural Revolution? SDS, RDS, More Regulatory & Compliance Information, Lithium Battery UN 38.3 Test Summary Search, Transparency in Supply Chains and Modern Slavery Disclosures, Fill one glass half full of the coldest water you can get from the tap, Fill the other glass the same amount with the hottest water you can get from the tap. movement of molecules from an area of high concentration to an area of low concentration. Which of the following best explains diffusion? The function of the plasma membrane is to control what goes in and out of the cell. To unpackage and unwind DNA so that enzymes can access the individual genes. Which of the following best explains the reasons for the similarities and differences between the two land survey systems shown? This is also seen when two liquid reactants are mixed with one another. Channels Channel proteins span the membrane and make hydrophilic tunnels across it, allowing their target molecules to pass through by diffusion. Since they are relatively large openings in the plasma membrane, these integral membrane proteins also have high specificity. What transport process can create a concentration gradient for sodium across the plasma membrane? Osmosis is the diffusion of water molecules across a semipermeable membrane from an area of lower concentration solution (i.e., higher concentration of water) to an area of higher concentration solution (i.e., lower concentration of water). AP Bio Final 2019 | Biology Quiz - Quizizz It is the random motion of the molecules that causes them to move from an area of high concentration to an area with a lower concentration. The cell membrane lets certain substances enter the cell and keeps certain substances out of the cell. synthesize ATP, Which of the following organelles synthesizes proteins? You would need to create a new account. Posted 7 years ago. Explain the components present in a phospholipid. Which of the following best describes the differences in the agricultural practices and land use for these products? In facilitated diffusion, molecules only move with the aid of a protein in the membrane. movement of molecules from an area of high concentration to an area of low concentration Which of the following is most likely to move through the cell membrane by facilitated diffusion? During the Green Revolution, agricultural practices from more developed countries diffused to less developed countries in Asia and Africa. When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Because of the difference in sodium concentration (between the inside and outside of the cell) and due to the electrical potential difference (between the inside and outside of the cell), the SGLT is able to perform its function. Animal cells tend to do best in an isotonic environment, where the flow of water in and out of the cell is occurring at equal rates. In the South Asian country of Sri Lanka, tea is farmed as a monoculture. For instance, when iodine is sublimated over a hot stove, purple fumes begin to appear and mix with air. osmosis, simple diffusion, facilitated diffusion are all what type of process? Imagine now that you have a second cup with \(100 \: \text{mL}\) of water, and you add \(45 \: \text{g}\) of table sugar to the water. The sodium-potassium pump uses ATP to move sodium and potassium ions across the plasma membrane. The greater the surface area, the faster the rate of diffusion. are in the same box the next time you log in. The rate of this movement depends on the energy of the . Which of the following organelles will be abundant in liver cells? In secondary active transport, the movement of the sodium ions down their gradient is coupled to the uphill transport of other substances by a shared carrier protein (a. The SER synthesizes the majority of the lipid components of the plasma membrane. Which of the following best explains this change? The membrane connections that prevent the leaking of fluid between cells are called ________. The two images show different agricultural methods. What is the basic difference between simple diffusion and facilitated diffusion across a cell membrane? Glucose is the most commonly used energy source by human cells because (Points: 1) this is the most abundant macromolecule available for cellular respiration. One of the main characteristics of . Why does the diffusion of the solute down its concentration gradient release energy? Even though this is random non-directed movement, with a large bulk, it can create a scenario where there is no net movement of gas from the container. Are these pumps negatively charge since they have a high affinity for the positive ions? Small-scale farmers in Asia often lacked the resources necessary to acquire the hybrid . This way, the capillaries remain at a low carbon dioxide concentration, allowing the constant movement of the molecule away from cells. This is usually not directed in any particular manner, and can appear random. Diffusion is the mixing of substances due to the movement of their particles. It mainly occur in liquid and gaseous substance as their particle can easily move from one place to another. a.QH=500kW,QC=100kWb.QH=500kW,Wcycle=250kW,QC=200kWc.Wcycle=350kW,QC=150kWd.QH=500kW,QC=200kW\begin{array}{l}{\text { a. } Concentric rings of different agricultural activities surrounding a city in the midwestern United States. For instance, one of the ways in which polyester is synthesized is by mixing the appropriate organic acid and alcohol in their liquid form. y1=3y2y2=12y1. A red blood cell will swell and undergo hemolysis (burst) when placed in a hypotonic solution. In an antiporter it uses the energy of the ions flowing down their concentration gradient. Solution A and solution B are separated by a semipermeable membrane. Secondary active transport uses the energy stored in these gradients to move other substances against their own gradients. Main difference: In facilitated diffusion, the solute moves down the concentration gradient, from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. This is because in hot water, the water molecules have more energy and are moving faster than the molecules of cold water. This results in swelling of the cell and potential hemolysis (bursting) of the cell. What part of the plasma membrane is hydrophobic? (a) Osmosis UEE Main-2020 (Septeimbern) (c) Diffusion (b) Reverse osmosis (d) Dialysis 26. (2005). Can't that serve the same role? to send you a reset link. What four steps should you take to reduce your risk for foodborne illnesses? Adults should handle or assist with potentially harmful materials or sharp objects. Direct link to liweiong272's post Main difference: In facil, Posted 6 years ago. Both domesticated plants and animals spread across the globe through contagious diffusion in early years by farmers and traders, and later by relocation diffusion through European exploration and colonialism. Mr. Weddington was admitted to the hospital with chronic heart failure. does the glucose molecule just randomly attach itself to the protein when it's about to transport a sodium ion to the other side? Learn more about how this experiment is based in NGSS Disciplinary Core Ideas.