Have you ever colored a picture with marker and noticed that two touching colors begin to bleed together? Solved Which of the following BEST explains the difference - Chegg An electrical potential difference exists whenever there is a net separation of charges in space. Solution A and solution B are separated by a semipermeable membrane. Which of the following best explains diffusion? If you forget it there is no way for StudyStack What type of membrane junction allows ions to pass directly from the cytoplasm of one cell to the cytoplasm of the adjacent cell? Direct link to Srichchha Pradhan's post There are certainly more , Posted 6 years ago. Identify the polar and nonpolar regions of a cell membrane. Which of the following substances must travel across a membrane via facilitated diffusion? Which of the following solutions contains the most solute? When red blood cells are in a hypertonic (higher concentration) solution, water flows out of the cell faster than it comes in. Here, the cell can't import glucose for free using diffusion, because the natural tendency of the glucose will be to diffuse. Increase C. Decrease D. It would depend on the nature and temperature of the coolant, 3. 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). The images show devices developed during the Second Agricultural Revolution. Option C is the correct answer because Cultural divergence (CD) happens when two cultures separate, therefore CD explains the best concept of driving forces of contemporary cultural diffusion. You would need to create a new account. are in the same box the next time you log in. Which Of The Following Best Explains Diffusion Quizlet? Secondary active transport uses the energy stored in these gradients to move other substances against their own gradients. Spaeth, E. E., and Friedlander, S.K. Make sure to remember your password. Her much more prepared A&P student roommate quickly realized the problem and called an ambulance. The same gas would diffuse slightly more slowly in a liquid such as water and slowest in a solid. If the concentration of dextrose in the solution is increased to 5%, the cell is now in a(n): The total solute concentration of a red blood cell is about 2%. Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration. The brands listed above are trademarks of 3M. To move substances against a concentration or electrochemical gradient, a cell must use energy. Solved Which of the following best explains the effect of - Chegg Typically, diffusion refers to the movement of molecules from high concentrations to lower concentrations. 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. Heroes and Highlights in the History of Diffusion. Your email address is only used to allow you to reset your password. This allows red blood cells to carry oxygen all over your body. The electrode system developed a potential of 0.2331V-0.2331 \mathrm{~V}0.2331V when immersed in 10.010.010.0 mL\mathrm{mL}mL of the solution of unknown concentration. Which of the following correctly explains the relationship between wheat and its early hearth of domestication? How To Prolong Ejaculation During Intercourse? Are these pumps negatively charge since they have a high affinity for the positive ions? So the phospholipids are arranged in a double layer (a bilayer) to keep the cell separate from its environment. how does the carrier protein "harness" energy from another molecules concentration gradient? Osmosis | Biology Quiz - Quizizz Which of the following best explains why in the model the amount of land used for dairying is much smaller than the pasture used for beef cattle? Most lettuce is produced, processed, and packaged for sale in supermarkets that are a significant distance from where the product was grown. Wheat was first domesticated in Mesopotamia because of a favorable climate and a great diversity of wild grains that led to crossbreeding of seeds. A Diffusion provides encryption strength, while confusion provides data integrity B. Diffusion provides function integrity, while confusion provides encryption confidentiality. As time progresses, the differential gradient of concentrations between high and low will drop (become increasingly . Imagine this just like a hydroelectric power station uses the energy of water flowing down the waterfall to create electricity. Water moves into and out of cells by osmosis. In the South Asian country of Sri Lanka, tea is farmed as a monoculture. Diffusion in the human body is necessary for the absorption of digested nutrients, gas exchange, the propagation of nerve impulses, the movement of hormones and other metabolites towards their target organ and for nearly every event in embryonic development. For instance, the channel protein that transports potassium ions has a much higher affinity for that ion than a very similar sodium ion, with nearly the same size and charge. Solution A and solution B are separated by a semipermeable membrane. Which of the following best explains how a wheat farmer in the Northern Plains region of the United States is able to maximize profits? 1. A&P lecture 1 chp 3 Flashcards | Chegg.com Which of the following explains an impact of globalized agricultural commodity chains on consumers as compared to producers? Water moves into and out of cells by osmosis. Diffusion - Definition, Examples and Types | Biology Dictionary Requested URL: byjus.com/biology/diffusion/, User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.114 Safari/537.36 Edg/103.0.1264.62. A process that requires energy to move a substance against its concentration gradient is called: The Na+/K+ pump transports three sodium ions out of the cell for every two potassium ions moved into the cell. A heavier molecule with a larger surface area will diffuse slowly, while smaller, lighter particles will diffuse more quickly. Can you predict, based on the first way of doing the experiment, what might change, if anything? The two images represent different agricultural land survey patterns. The phospholipid tails are ________, which make the plasma membrane impermeable to water. What values of a and b would complete each of the following (X and Y are not meant to be any particular elements): 266X+baY15aX+32b\begin{aligned} 266 \mathrm{X} & \rightarrow \alpha+\mathrm{b}^{\mathrm{a}} \mathrm{Y} \\ Channels Channel proteins span the membrane and make hydrophilic tunnels across it, allowing their target molecules to pass through by diffusion. Which cell junctions prevent substances from passing between adjacent cells? If you find an example of where hot or cold water is used for something that might involve diffusion, see if you can try it with the opposite and observe any differences in the results. Direct link to Eshita's post No, because the potassium, Posted 7 years ago. A&P HW 5 Flashcards | Quizlet Which of the following best describes the impacts of the Second Agricultural Revolution? Legal. The second sugar solution is hypertonic to the first. shouldn't it be positively charged? What process does water use to move across the plasma membrane? Imagine you're preparing a barbecue of grilled chicken and salad for friends. What is required for filtration to occur? A. Phosphorylation makes the pump change shape, re-orienting itself so it opens towards the extracellular space. At 3M, we discover and innovate in nearly every industry to help solve problems around the world. C. Secondary active transport occurs when the movement of one substance is coupled with the passive transport of a second substance. Diffusion is affected by temperature, area of interaction, steepness of the concentration gradient and particle size. Instead of feeling drunk, she felt nauseated, developed a severe headache, began to get confused, and then became unconscious. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out. He should be given a hypotonic drip to draw fluid out of his cells. Do you think the temperature of the food coloring might have an effect on how it diffuses? Question 1 Which of the following can best explain why eukaryotic cells Predict what will happen to a patient's red blood cells if you give the patient an IV of pure water. If you've accidentally put the card in the wrong box, just tap on the card to take it out of the box. A number of colonies were established and settled by people from Great Britain. At the exact same time, add 2-3 drops off food coloring into each glass. A. Which of the following explains the prevalence of banana plantations in Central America? 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. This process requires some form of chemical energy. Everything in the cell sits in the cytosol, like fruit in a Jell-o mold. Na+/K+ pump. Adults should handle or assist with potentially harmful materials or sharp objects. when it releases the ions the pump no longer has a affinity for the molecules, is this because the energy used to change the conformation of the pump knocks off electrons or does the phosphates make the pump more negative due to the negative charges on the phosphates itself? With the phosphate group gone, the pump will change back to its original form, opening towards the interior of the cell. The majority of water molecules moving across plasma membranes by osmosis do so via a process that is most similar to ____. ; Diffusion occurs in liquids and gases when their particles collide randomly and . The Green Revolution led to an increase in food production in many places around the world, but there have been some negative consequences. The reaction proceeds as the two reactants diffuse towards each other and undergo a chemical reaction to form esters. Solution A contains 1% glucose, solution B contains 5% glucose. The first image shows a long-lot survey method with a linear settlement pattern, and the second image shows a metes-and- bounds survey method with a dispersed settlement pattern. Not everything can make it into your cells. A. movement of molecules farther away from equilibrium B. exchange of nonpolar molecules for polar molecules C. movement of molecules from an area of high concentration to an area of low concentration D. movement of molecules from where there are fewer of them to where there are more answer choices The English language initially diffused to North America through the process of relocation diffusion. Which of the following is least likely to increase the rate of diffusion? to send you a reset link. Secondary active transport involves the movement of water by osmosis into a cell. Which of the following is the best situation for maintaining homeostasis? diffusion: [noun] the state of being spread out or transmitted especially by contact : the action of diffusing. If a cell is in a hypertonic solution, the solution has a lower water concentration than the cell cytosol, and water moves out of the cell until both solutions are isotonic. Farmers' health is at risk in less developed countries, whereas environmental pollution is a risk in more developed countries. Which of the following explains one of the negative consequences of the Green Revolution that would be of greater c, Runoff of agricultural chemicals into the local groundwater that pollutes water resources. 266X15aX+baY+32b. The cotransporter accomplishes this by physically coupling the transport of glucose to the movement of sodium ions down their concentration gradient. Conversely, in active transport, the solute moves against the concentration gradient, from regions of lower to higher concentration. For instance, when iodine is sublimated over a hot stove, purple fumes begin to appear and mix with air. In an isotonic solution, the flow of water in and out of the cell is happening at the same rate. The cell membrane lets certain substances enter the cell and keeps certain substances out of the cell. How, exactly, does the sodium-potassium pump establish a voltage across the membrane? While this could be facilitated by other molecules, it does not directly involve high-energy molecules such as adenosine triphosphate (ATP) or guanosine triphosphate (GTP). Which of the following best explains the process illustrated by the image? Obviously, the cell could not survive in such an environment. Which of the following best explains the Green Revolution's highly variable level of success in increasing agricultu. The plasma membrane (see figure below) is made of a double layer of special lipids, known as phospholipids. Grain farming is an extensive farming practice that can maximize profits in part by lower land costs, lower transportation costs, and imperishability of the product. Tea plantations were established in Sri Lanka by a former European colonial power. In comparing two solutions of unequal solute concentration, the solution with the higher solute concentration is hypertonic, and the solution with the lower solute concentration is hypotonic. Water molecules will move from the side of higher water concentration to the side of lower concentration until both solutions are isotonic. Since diffusion moves materials from an area of higher concentration to the lower, it is described as moving solutes "down the concentration gradient". Microtubules are composed of protein subunits known as: Through the microscope, you see cells swimming. The IV fluid should be isotonic to the patient's blood. Direct link to City Face's post Because a solute moving d, Posted 7 years ago. With increase in temperature, the kinetic energy of all particles in the system increases. The cell membrane allows only large molecules to diffuse into the cell. Through the process of uniculturalism, multiple types of foods are blended together into one cuisine. Incorrect options: Option A is incorrect because space-time compression is the shortened time or communication between two places. And sodium is highly concentrated outside of the cell, so that's where it goes during active transport considering it is low to high concentration. The mechanization of farm work allowed many young people to migrate and join a growing urban industrial workforce.