which of the following best explains diffusion?

Posted 7 years ago. The number of molecules that only collide with other carbon dioxide particles within dry ice decreases. Remember that there is water outside the cell, and the cytoplasm inside the cell is mostly water as well. Put it in freshwater, and the freshwater will, through osmosis, enter the fish, causing its cells to swell, and the fish will die. The plants and animals diffused to a region with climate and geography similar to that of their point of domestication. This barrier is called the plasma membrane, or cell membrane. C. Secondary active transport occurs when the movement of one substance is coupled with the passive transport of a second substance. 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. Which of the following best explains the economic advantage of the type of farm-produced goods shown in the images? In biological systems, diffusion occurs at every moment, across membranes in every cell as well as through the body. Which of the following is not required for osmosis to occur? Lipids do not mix with water (recall that oil is a lipid), so the phospholipid bilayer of the cell membrane acts as a barrier, keeping water out of the cell, and keeping the cytoplasm inside the cell. Prior to this, very few animals had been domesticated in the Americas. This process does not require energy. Typically, diffusion refers to the movement of molecules from high concentrations to lower concentrations. Which of the following is most likely to move through the cell membrane by facilitated diffusion? If for example there are alot of sodium ions outside, their positive charges will repel and like atoms don't like being near eachother so they flow to the other side if there's a way to. Which of these statements is NOT true? Eventually, the concentration of "stuff" on either side of them will even out. 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Active transport: primary & secondary overview (article) | Khan Academy 1) The "sodium/glucose symporter", known as SGLT (sodium glucose linked transporter), receives the energy needed to perform its transport from the electrochemical gradient established by the sodium/potassium pump. Which of the following best explains the process illustrated by the image? When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. The two images show different agricultural methods. D. The IV fluid should be hypotonic to the patient's blood. Question 16 30 seconds Q. Which of the following best explains the diffusion of plants and to send you a reset link. This process requires some form of chemical energy. Which of the following is used to export large molecules from the cell? Because of the increased capital investment required to produce new crop varieties using technology that was pioneered in more developed countries, there was an increase in wealth disparity in many farming communities in less developed countries. Which of the following correctly explains the relationship between wheat and its early hearth of domestication? Similarly, if a canister of liquid nitrogen leaks a little, nitrogen gas that escapes would quickly diffuse into the atmosphere. A. The concentration of sodium ions is lower inside the cell than in the extracellular fluid, while the reverse is true for potassium ions. This may seem like a complicated cycle, but it just involves the protein going back and forth between two forms: an inward-facing form with high affinity for sodium (and low affinity for potassium) and an outward-facing form with high affinity for potassium (and low affinity for sodium). All the examples given above were instances of simple diffusion. If a person goes to the hospital for surgery and requires IV (intravenous) fluids, which of the following should you expect? The sodium-potassium pump uses ATP to move sodium and potassium ions across the plasma membrane. Grocery stores sell oranges that are grown in locations with similar climates but different growing seasons. Direct link to Yuya Fujikawa's post Hi, I'm just a little cur, Posted 5 years ago. At that concentration, the solution is isotonic to the cell. Active transport mechanisms can be divided into two categories. Direct link to long pham's post if there are more Potassi, Posted 6 years ago. Have you ever colored a picture with marker and noticed that two touching colors begin to bleed together? This can occur with all sorts of matter, but is most commonly observed in liquids and gases. 60 seconds. The rate of this movement depends on the energy of the molecules. This statement describes _____. diffusion: [noun] the state of being spread out or transmitted especially by contact : the action of diffusing. Carbon dioxide would diffuse faster than bromine gas C. Integral membrane proteins that facilitate diffusion are highly specific about their cargo D. All of the above, Biologydictionary.net Editors. Secondary active transport involves the movement of a substance into a cell through a protein channel with its concentration gradient. In an antiporter it uses the energy of the ions flowing down their concentration gradient. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. 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 - Definition, Examples and Types | Biology Dictionary answer choices The English language initially diffused to North America through the process of relocation diffusion. The reaction proceeds towards completion at a faster rate. 1. Passive Transport | Biology I - Lumen Learning Fish cells, like all cells, have semipermeable membranes. You would need to create a new account. D. The SER stores calcium ions. They have the same charge, so it probably won't have something to do with that and Sodium is smaller than Potassium, so it seems like it should be easier!? A vesicle fuses with the plasma membrane and releases its contents to the extracellular fluid. A solution that contains fewer solutes than the cell is ________ to the cell. If a cell is in a hypertonic solution, the solution has a . Since diffusion is powered primarily by the probability of molecules moving away from a region of higher saturation, it immediately follows that when the medium (or solvent) has a very low concentration of the solute, the probability of a molecule diffusing away from the central area is higher. C. Secondary active transport occurs when the movement of one substance is coupled with the passive transport of a second substance. C. peroxisome Since they are relatively large openings in the plasma membrane, these integral membrane proteins also have high specificity. B. When red blood cells are in a hypertonic (higher concentration) solution, water flows out of the cell faster than it comes in. Which cell junctions prevent substances from passing between adjacent cells? he Na+\mathrm{Na}^{+}Na+concentration of a solution was determined by measurement with a sodium ion-selective electrode. It is an important process occurring in all living beings. \end{aligned} In its outward-facing form, the pump switches allegiances and now really likes to bind to (has a high affinity for) potassium ions. fats and proteins yield too much energy for the cells to process. Adults should handle or assist with potentially harmful materials or sharp objects. When deoxygenated blood is in your capillaries in your lungs, the oxygen in your lungs diffuses from a higher concentration in your lungs to the lower concentration in your blood. The hypertonic solution is one one side of the membrane and the hypotonic solution on the other. answer choices The greater the difference in concentration, the quicker the rate of diffusion. By osmosis: water will move from solution A to solution B. A. Several large cities on the East Coast provide a growing market and shorter distances for transporting market gardening products. His feet and legs were swollen with fluid. Also, think about where you see this happen in other places. Background. What process permits absorption of glucose into cells? Farmers' health is at risk in less developed countries, whereas environmental pollution is a risk in more developed countries. The end result is an equal concentration, or equilibrium, of molecules on both sides of the membrane. 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. However, for molecules in the periphery, rapidly moving molecules in the air also influence their movement, allowing them to diffuse into the air. Similarly, the medium in which diffusion occurs could also be in one of the three physical states. Limited farmland encourages intensive farming with intercropping to produce high yields. This occurs because there is a net movement of sugar molecules into the water medium. It s an accident, and I got a piece of land cheaply. If you say something, I ll ask someone at what age erectile dysfunction starts to clean it up. Direct link to liweiong272's post Main difference: In facil, Posted 6 years ago. Privacy Policy and 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. For example, if a block of dry ice (carbon dioxide in solid form) is placed inside a box, carbon dioxide molecules in the center of the block mostly collide with each other and get retained within the solid mass. The images show examples of agricultural technology developed during different time periods. Which of the following best explains the Green Revolution's highly variable level of success in increasing agricultu. Allison Soult, Ph.D. (Department of Chemistry, University of Kentucky). Which of the following compares this geographic relationship between these revolutions? This is because in hot water, the water molecules have more energy and are moving faster than the molecules of cold water. The sodium-potassium pump uses ATP to move sodium and potassium ions across the plasma membrane. This can occur with all sorts of matter, but is most commonly observed in liquids and gases. shouldn't it be positively charged? If you're seeing this message, it means we're having trouble loading external resources on our website. This page titled 8.4: Osmosis and Diffusion is shared under a CK-12 license and was authored, remixed, and/or curated by CK-12 Foundation. At 3M, we discover and innovate in nearly every industry to help solve problems around the world. Solution A contains 1% glucose, solution B contains 5% glucose. This increases the rate at which solute and solvent molecules move, and increases collisions. Which of the following best describes the settlement patterns shown in the images? passive transport: a method of transporting material that does not require energy. It mainly occur in liquid and gaseous substance as their particle can easily move from one place to another. Think of how delicious smells from your kitchen take longer to get into your bedroom than to your living room which is located right beside the kitchen. 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. C. Diffusion provides ciphertext heterogeneity, while confusion provides algorithm This problem has been solved! The cell membrane allows the cell to stay structurally intact in its water-based environment. D. mitochondria, Which of the following is a function of lysosomes? Cytosol is composed of water and other molecules, including enzymes, which are proteins that speed up the cell's chemical reactions. The cytoplasm does not include the nucleus. In secondary active transport, the two molecules being transported may move either in the same direction (i.e., both into the cell), or in opposite directions (i.e., one into and one out of the cell). 3.5 Passive Transport - Concepts of Biology - 1st Canadian Edition As a prokaryotic cell does not have a nucleus, the DNA is in the cytoplasm. Township and range: unit-block field patterns with dispersed farmsteads and occasional villages. Epinephrine binds to a cell-surface receptor; the activated receptor catalyzes the conversion of glycogen to glucose. In other words, plasma . 2.1: Osmosis - Biology LibreTexts The higher the temperature, the more kinetic energy the particles will have, so they will move and mix more quickly. Do not mix or stir. At equilibrium, movement of molecules does not stop. 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. 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. An open beaker of water in equilibrium with water vapour is in a sealed container. This creates a concentration gradient, with concentration of carbon dioxide gradually decreasing with distance from the lump of dry ice. Solution A and solution B are separated by a semipermeable membrane. To unpackage and unwind DNA so that enzymes can access the individual genes. B. digest and recycle damaged organelles Electrochemical gradients and the membrane potential. Which of the following best explains the differences between the patterns of land use in the township-and-range system and the long-lot system, as shown in the images? This statement describes _____. Identify the polar and nonpolar regions of a cell membrane. Adult should review each experiment and determine what the appropriate age is for the students participation in each activity before conducting any experiment. The same gas would diffuse slightly more slowly in a liquid such as water and slowest in a solid. Therefore, the rate of diffusion of the gas into air also increases. The passive process that involves the movement of water through aquaporins is ________. This example also shows that the diffusion of any one material is independent of the diffusion of any other substances. The cell is therefore not completely permeable. If a person is severely dehydrated, their extracellular fluids will become hypertonic to the intracellular fluid. The images show devices developed during the Second Agricultural Revolution. What assists the movement of substances by facilitated diffusion? As time progresses, the differential gradient of concentrations between high and low will drop (become increasingly . What organelle degrades old, worn-out organelles and cell components? ), y1=3y2y2=12y1\begin{aligned} Which of the following is most likely to move through the cell membrane by facilitated diffusion? The long-lot system results in population clustered along a waterway, whereas the metes-and-bounds system results in a random, dispersed population pattern. You now add the two solutions to a beaker that has been divided by a semipermeable membrane, with pores that are too small for the sugar molecules to pass through, but are big enough for the water molecules to pass through. A) greater collision frequency and more effective collisions B) increasing the number of particles in a given volume increases collision frequency C) weakens the bonds in the reactants so that they are easier to break D) better orientation of the reactant This type of transport is known as _____. 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. (2009). Midlatitude climates tend to support similar agricultural crops and practices, such as wheat farming in the United States and China. Which of the following best explains diffusion?Which of the following

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