which of the following best explains diffusion?

C. rough endoplasmic reticulum Primary and secondary active transport. Question 1 Which of the following can best explain why eukaryotic cells Direct link to Ivana - Science trainee's post Because it is faster to u, Posted 7 years ago. Na+ Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration. Solved QUESTION 28 Which of the following best explains the - Chegg This type of transport is known as _____. 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. 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. Water is attracted to the compartment with a lower osmotic pressure. A. Here, the cell can't import glucose for free using diffusion, because the natural tendency of the glucose will be to diffuse. Which of the following concepts best explains the driving forces of Great question since proteins are very large and complex they almost always have regions with different characteristics including patches that have negative or positive charges. Agricultural settlement patterns are partly determined by the survey system used to organize landownership. This statement describes _____. Identify the polar and nonpolar regions of a cell membrane. (2017, April 27). This is because in hot water, the water molecules have more energy and are moving faster than the molecules of cold water. The liver is an organ that can synthesize lipids, such as cholesterol, and detoxify poisons, such as alcohol. See our Direct link to Zaeen Iqbal's post i dont quite understand t, Posted 7 years ago. A&P HW 5 Flashcards | Quizlet Invention of the plow eased the intensive use of labor, and the innovation of mechanized farm equipment led to improved food production. Tea plantations were established in Sri Lanka by a former European colonial power. PS1.A: Structure and Properties of Matter, PS3.C: Relationship Between Energy and Forces. Diffusion through a membrane | Cell Structure Quiz - Quizizz Diffusion will continue until the concentration gradient has been eliminated. Which one of the following processes can explain this? Facilitated diffusion is diffusion that is helped along (facilitated by) a membrane transport channel. if there are more Potassium ions in a cell, how is the cell negatively charged? Privacy Policy and Technological innovations, such as the devices shown in the images, and increased agricultural productivity led to better diets, longer life expectancies, and more people available for work in factories. Na+/K+ pump. For example, how might this play into why coffee and tea always start with hot water? These farmers and traders exchanged the domesticated plants between themselves. Would remain unchanged B. Solved 1. Which of the following best explains how water - Chegg molecules move through transport proteins that have been activated by ATP. Diffusion happens slowly and only across the small surface of interaction between the two fluids. We are not permitting internet traffic to Byjus website from countries within European Union at this time. serve as the site for metabolic reactions such as protein synthesis. tonicity: the amount of solute in a solution. What Is Diffusion? - Definition, Types & Examples Of Diffusion - BYJUS No tracking or performance measurement cookies were served with this page. Simple diffusion can be disrupted if the diffusion distance is increased. 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. Direct link to William H's post If for example there are , Posted 5 years ago. Water moves into and out of cells by osmosis. 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Feedlots can minimize costs associated with livestock production because feedlots do not use as much space as cattle ranching. 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). On a similar note, any solute that is broken into small pieces and stirred into the solvent dissolves rapidly another indicator of molecules diffusing better when the area of interaction increases. In facilitated diffusion, molecules only move with the aid of a protein in the membrane. Osmosis | Biology Quiz - Quizizz Which of the following is the best situation for maintaining homeostasis? Labor-intensive farming of vegetables is done in small-scale plots in market gardens, while extensive grain crops are grown in large-scale fields far from the market town. This is also seen when two liquid reactants are mixed with one another. The kinetic energy of the molecules results in random motion, causing diffusion. The reaction proceeds as the two reactants diffuse towards each other and undergo a chemical reaction to form esters. answer choices The English language initially diffused to North America through the process of relocation diffusion. Small-scale farmers in Asia often lacked the resources necessary to acquire the hybrid seeds and the chemical inputs to grow them, leaving large gaps in the success of the Green Revolution outside of urban cores. Muscle cells require an abundant amount of ATP to function. 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. The second sugar solution is hypertonic to the first. Legal. C. The IV fluid should be hypertonic to the patient's blood. Passive transport is a way that small molecules or ions move across the cell membrane without input of energy by the cell. This barrier is called the plasma membrane, or cell membrane. You would need to create a new account. Which of the following best explains why tea plantations are common in Sri Lanka and tea exports are important to the country's economy? It is an important process occurring in all living beings. The images shown illustrate the differences in scale of production for two methods of producing thread. 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. Through the process of uniculturalism, multiple types of foods are blended together into one cuisine. Which of the following is NOT one of the functions of the cytoskeleton? Channels Channel proteins span the membrane and make hydrophilic tunnels across it, allowing their target molecules to pass through by diffusion. One of the main characteristics of . 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? Drought and depletion of groundwater sources in developing countries cause a rise in global grain prices and associated higher costs for food. Which of the following best explains diffusion? In this experiment, the food coloring that gets added is the same temperature in each of the hot and cold water tests. Diffusion is the movement of a substance from an area of high concentration to an area of lower concentration. Which of the following best explains diffusion? A number of colonies were established and settled by people from Great Britain. One phosphate group from ATP is attached to the pump, which is then said to be phosphorylated. This is related to both the mass of the molecule and its surface area. 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? The two images represent different agricultural land survey patterns. Simple diffusion and passive transport (article) | Khan Academy 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. synthesize ATP, Which of the following organelles synthesizes proteins? Why Do Giant Pandas Have Low Libido? Based on the different types of land use shown in the image, which of the following best explains why soil salinization is a concern in the arid landscape shown? Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the right concentrations of ions and molecules in living cells. Which of the following best explains the risks associated with pesticide applications? Explanation: When a substance moves from higher concentrated area to a lower concentrated area, is called as diffusion. AP human test | Geography Quiz - Quizizz What is required for its transport? Which of the following is most likely to move through the cell membrane by facilitated diffusion? Which of the following is least likely to increase the rate of diffusion? At 3M, we discover and innovate in nearly every industry to help solve problems around the world. Also, think about where you see this happen in other places. The sodium-potassium pump uses ATP to move sodium and potassium ions across the plasma membrane. Which statement displays the address of the variable num1? In this experiment, you will experience how temperature affects the mixing of food coloring drops with water. One of the most important pumps in animal cells is the, Not only does the sodium-potassium pump maintain correct concentrations of Na. Which of the following best describes the differences in the agricultural practices and land use for these products? Which of the following is a characteristic of the cell membrane? This example also shows that the diffusion of any one material is independent of the diffusion of any other substances. For instance, a gas diffuses very quickly in another gas. 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. What is required for filtration to occur? The phospholipid tails are ________, which make the plasma membrane impermeable to water. In simple diffusion, this process proceeds without the aid of a transport protein. 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. The three main kinds of passive transport are diffusion (or simple diffusion), osmosis, and facilitated diffusion. Which of the following explains how global demand for palm oil has proved beneficial and detrimental f. Palm oil exports provided substantial corporate profits, but the growth in the industry resulted in heavy deforestation in both countries. Which of the following best describes the survey system used in both locations shown? In any system, molecules are moving with a certain amount of kinetic energy. Allison Soult, Ph.D. (Department of Chemistry, University of Kentucky). The cell membrane allows the cell to stay structurally intact in its water-based environment. Because a solute moving down its concentration gradient is spontaneous. Direct link to auzennesylvester92's post Are these pumps negativel, Posted 5 years ago. The molecules move from a region of higher concentration to a region of lower concentration until the concentration becomes equal . Each of these factors, independently and collectively can alter the rate and extent of diffusion. However, for molecules in the periphery, rapidly moving molecules in the air also influence their movement, allowing them to diffuse into the air. 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). \dot{Q}_{\mathrm{H}}=500 \mathrm{kW}, \dot{Q}_{\mathrm{C}}=100 \mathrm{kW}} \\ {\text { b. } For example, oxygen is at a higher concentration inside arteries and arterioles, when compared with the oxygen levels in actively respiring cells. How, exactly, does the sodium-potassium pump establish a voltage across the membrane? 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). Which of the following explains an economic benefit of cattle production using feedlots rather than grass pastures? When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. While they are confined to the smaller surface area within the crucible, the rate of diffusion remains low. Look at the large card and try to recall what is on the other side. One and a Half Century of Diffusion: Fick, Einstein, before and beyond. Banana plants were brought to Central America from Southeast Asia to be grown closer to markets in the United States and Canada. Which of the following explains the prevalence of banana plantations in Central America? When the roommate told the Emergency Department doctor what had happened, the doctor quickly began administering IV (intravenous) fluids. Diffusion - Definition, Examples and Types | Biology Dictionary Even in large industrial reactions, when two liquids are mixed together, diffusion brings the reactants together and allows the reaction to proceed smoothly. Which of the following substances must travel across a membrane via facilitated diffusion? B. ribosome 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). When oxygen is moving towards tissues from capillaries, carbon dioxide is entering the bloodstream. Some transport processes use transport proteins in the plasma membrane, but do not require ATP. One of the main characteristics of diffusion is the movement of molecules along the concentration gradient. C. detoxify certain chemicals D. through oxidation reactions What will happen to a freshwater fish in the ocean? Which of the following is not required for osmosis to occur? thank you. Solution A contains 1% glucose, solution B contains 5% glucose. 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? On the other hand, facilitated diffusion, as the term indicates, requires the presence of another molecule (the facilitator) in order for diffusion to occur. How To Use Patchouli Oil For Erectile Dysfunction? Plantation farming is considered to be an intensive farming practice because it requires large inputs of labor and capital to produce the crop. In most biological systems, diffusion occurs across a semi-permeable membrane made of a lipid bilayer. Direct link to Dovid Shaw's post how does the antiporter p, Posted 7 years ago. Which of the following solutions will cause a red blood cell to shrink? The rate of this movement depends on the energy of the molecules. 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. Which of the following solutions contains the most solute? D. Secondary active transport involves the movement of a substance into a cell with its concentration gradient. Osmosis is the diffusion of water molecules across a selectively permeable membrane from an area of higher concentration to an area of lower concentration. C. Diffusion provides ciphertext heterogeneity, while confusion provides algorithm This problem has been solved! By the time blood flows into capillaries in the muscle or liver, for instance, there is only a single layer of cells separating this oxygen from hepatocytes or skeletal muscle fibers. 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.

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