A) "... the cell membrane forms the boundary that controls what enters and leaves the cell. Students investigate the effects of molecule size on diffusion across a synthetic selectively permeable membrane. Unit 6: Climate Change and Severe Weather - Full Unit. Everything you want to read. From the Athletics Director.
Did you find this document useful? Unit 8: Climate Change and Human Impact: Extinction vs. Evolution. Explain the function of Mg++. Concerns and Complaints. Diffusion through a membrane state lab answers. Measures of change in volume tend to be less accurate but will be sufficient if you do not have a scale available. A cofactor prevents enzyme function. Other sets by this creator. Remote Learning Academy. Some enzymes become denatured when activators bind to the substrate. Deciding When to Close School. Which of these enzymes is the most effective? For example, the synthetic membrane helps students to understand that some molecules do not cross the cell membrane (crucial for retaining vital molecules like DNA and proteins inside the cell).
2-3 mL transfer pipets (preferably 3 per group, but you can use fewer if your students are reliable about not cross-contaminating solutions; also, if your iodine is in dropper bottles, you may want to provide your students with an estimate of the number of drops in 0. String (2 12 cm pieces per group). Click to expand document information. Which statement best describes a cofactor? Units I & 2 - Structure and Function of Cells. A molecule mimics the substrate and competes for the active site. D. putting stress on the structure of the substrate. 45 or 100 feet for $52; - Iodine-Potassium Iodide Solution 86-9055 from Carolina Biological -$9. The enzyme that converts Succinate to Fumarate requires Mg++. NYS Diffusion Through a Membrane Lab Flashcards. This investigation includes a brief introduction to osmosis. Microscope, slide, wet mount slide, cell, low power objective, high power objective, fine adjustment, coarse adjustment, stage clips, stage, light, mirror, diffusion, transport, iodine, AcetylCoA can be converted to Citrate. Transfer pipets are readily available online. District Priorities.
The Iodine-Potassium Iodide Solution is used as an indicator for the presence of starch. In accord with the Next Generation Science Standards, - Students learn the Disciplinary Core Idea (LS1. What are the largest and smallest magnitudes of the force that your hand exerts on sphere A? Regents Prep Resources: Living Environment Regents Prep Resources. Modified Team Sports Guidelines. To prepare 1% starch solution, mix 10 g of corn starch or potato starch in 50 mL of room temperature distilled water. Webster Learning Center. C. A non-competitive inhibitor can out-compete the substrate for the active site. Diffusion through a membrane lab answers. In this experiment, you will. What federal agencies have any jurisdiction over deep fluid-injection wells, and. In contrast, glucose, iodine, and water molecules are small enough to pass through the membrane.
Andrea Hendershot's Site. In contrast, the diagram includes the important information that the cell membrane contains proteins which facilitate the transport of specific biologically important molecules and ions across the cell membrane. Share this document. Measure the diffusion of salts in a solution of water and determine how concentration gradients. Purchasing Information.
Unit 6: Genetics, Biotech, and Decision-Making. Diffusion moves substances from regions of higher concentration to regions of lower concentration. Sets found in the same folder. Diffusion through a membrane lab answers.com. C. A cofactor is a type of protein. Instructional Departments. 8 mL; you should be aware that drops vary in size so it may not be accurate to use the standard estimate of 20 drops per milliliter). Sodium chloride, produce ions when they dissolve in water. Resources for Science Supervisors: Science & Engineering Practices in Danielson.
PLEASE HELP 100 BRAINLY POINTS! B. ATP hydrolysis coupled. C. competitive inhibitor. One reasonable measure of the change in volume in the tube is change in the length of the part of the dialysis tube which is filled with the solution (which should be approximately 5-10 mm change in 30 minutes).
100% found this document not useful, Mark this document as not useful. A) Estimate the time required for the tile to cool to a final, safe-to-touch temperature of. One way to measure the rate of diffusion of ions is to monitor their concentration in solution over. In the Diffusion Through a Membrane lab, the model cell membranes allowed certain substances to pass - Brainly.com. Also, you will want to have the color chart available for interpreting the results for the glucose test strips. What does receiver bee stand over??? Wellness Newsletter.
Using a series of arrows, draw the branched metabolic reaction pathway described by the following statements, and use the diagram to answer the que. When the concentration of fumarate is very high, explain what happens to the concentrations of Glutamine and Oxaloacetate? Unit 3: Landscapes and Surface Processes. Determine if the diffusion rate for a molecule is affected by the presence of a second molecule. NYS Lab - Diffusion Through a Membrane. Unit 3: Earthquakes, Volcanoes, and Tsunamis - Who's at Risk? Discussion of this activity can incorporate several Crosscutting Concepts: "Cause and effect: Mechanism and explanation", "Systems and system models", and "Structure and function".
In contrast, pump proteins provide the basis for active transport which uses the energy provided by ATP to move ions or molecules from regions of higher concentration to regions of lower concentration. In this way, you will be able to. Copyright © 2002-2023 Blackboard, Inc. All rights reserved. Iodine (I2) is relatively insoluble in water so potassium iodide (KI) is added to the solution; this results in the formation of iodide ions (I3 -) which are soluble in water.
Being one of the few texts that was added to the text list this year, Euripides' play Women of Troy is definitely a daunting task for English and EAL students to tackle due to the lack of resources and essay prompts available. On this Menelaus and Meriones took the dead man in their arms and lifted him high aloft with a great effort. Meanwhile Menelaus son of Atreus has bestridden the body of Patroclus and killed the noblest of the Trojans, Euphorbus son of Panthous, so that he can fight no more. Father Jove heard him and had compassion upon his tears. Menelaus most strongly affects the epic plot through his - Brainly.com. And now he would even have dragged it off and have won imperishable glory, had not Iris fleet as the wind, winged her way as messenger from Olympus to the son of Peleus and bidden him arm. Glad, I ween, will he be to rest his knees who may fly my spear when I wield it.
I wish that some one would go and tell the son of Peleus at once, for I do not think he can have yet heard the sad news that the dearest of his friends has fallen. Even so did I grieve when mighty Hector was killing the Argives at their ships, and all the time I kept thinking of Folly who had so baned me. But Achilles dear to Jove arose, and Minerva flung her tasselled aegis round his strong shoulders; she crowned his head with a halo of golden cloud from which she kindled a glow of gleaming fire. The god left him when he had given him these instructions, and at once removed the darkness from before the eyes of Achilles, who opened them wide indeed and said in great anger, "Alas! Yet Euripides handles the story in ways that call into question the viability of this romantic fantasy. With this Hector left the fight, and ran full speed after his men who were taking the armour of Achilles to Troy, but had not yet got far. There was not a Trojan but his limbs failed him for fear as he beheld the fleet son of Peleus all glorious in his armour, and looking like Mars himself. Some characters in Women of Troy are also fundamentally driven by their sense of duty and integrity, and act according to their moral code regardless of what the circumstances may be. Last of all came Agamemnon, king of men, he too wounded, for Coon son of Antenor had struck him with a spear in battle. Menelaus most strongly affects the epic plot through histoires. For now, let's recap these ideas of suffering and responsibility. Thus did he speak, and the Achaeans rejoiced in that he had put away his anger. An example of a metalanguage used in this play is the animal imagery the Chorus used to depict Hecuba's pain.
The gods hold a council and determine to watch the fight, from. Whereon he fell heavily forward, and Menelaus son of Atreus drew off his body from the Trojans into the ranks of his own people. He poised and hurled as he spoke, whereon the spear struck the round shield of Aretus, and went right through it for the shield stayed it not, so that it was driven through his belt into the lower part of his belly. Menelaus most strongly affects the epic plot through his . the truth. "Aeneas, " said he, "why do you stand thus out before the host to fight me? She was also the mother of Paris, the prince of Troy. He, in his folly and showing off the fleetness of his feet, was rushing about among front ranks until he lost his life, for Achilles struck him in the middle of the back as he was darting past him: he struck him just at the golden fastenings of his belt and where the two pieces of the double breastplate overlapped. At daybreak we will arm and fight about the ships; granted that Achilles has again come forward to defend them, let it be as he will, but it shall go hard with him. So long as he lives to look upon the light of the sun, he is in heaviness, and though I go to him I cannot help him; King Agamemnon has made him give up the maiden whom the sons of the Achaeans had awarded him, and he wastes with sorrow for her sake.
The Myrmidons were struck with awe, and none dared look full at it, for they were afraid; but Achilles was roused to still greater fury, and his eyes gleamed with a fierce light, for he was glad when he handled the splendid present which the god had made him. Hecuba, for instance, sympathises with the Chorus of Troy and acts as a leader even when she loses her title and her home. Patroclus has fallen, who was the bravest of the Achaeans, and sorely will the Danaans miss him. She called the gods about her, and said, "Look to it, you two, Neptune and Minerva, and consider how this shall be; Phoebus Apollo has been sending Aeneas clad in full armour to fight Achilles. Go then and drop nectar and ambrosia into his breast, that he may know no hunger. He set the bellows away from the fire, and gathered his tools into a silver chest. P1: Euripides constructs a strong female character base to contradict the prevailing views of the period that women are inferior to their male counterparts. Menelaus most strongly affects the epic plot through his . many. Come inside and let me set refreshment before you. Then Achilles also rose and said to the Argives, "Father Jove, of a truth you blind men's eyes and bane them. Hector then took aim at Ajax with a spear, but he saw it coming and just managed to avoid it; the spear passed on and struck Schedius son of noble Iphitus, captain of the Phoceans, who dwelt in famed Panopeus and reigned over much people; it struck him under the middle of the collar-bone the bronze point went right through him, coming out at the bottom of his shoulder-blade, and his armour rang rattling round him as he fell heavily to the ground. Hecuba is a tragic hero. Twenty bellows blew upon the melting-pots, and they blew blasts of every kind, some fierce to help him when he had need of them, and others less strong as Vulcan willed it in the course of his work.
This you shall hardly do. What sorrow has now befallen you? Fool that he was to give ear to the counsel of Apollo. Are you considering some matter that concerns the Trojans and Achaeans--for the blaze of battle is on the point of being kindled between them? Hector and those who were in the front rank then gave ground, while the Argives raised a loud cry of triumph, and drew off the bodies of Phorcys and Hippothous which they stripped presently of their armour. He and Meriones lead a staunch counterattack on the left side of the battlefield in Book 13. As for the armour, Hector already has it. He escorts Priam safely into the Achaean encampment in Book 24. He is an esteemed comrade and charioteer of Patroclus and Achilles. It can be argued that the chain of unfortunate events are unpredictable as they are determined by gods, whose emotions and prejudices still control the way they act. As a flock of daws or starlings fall to screaming and chattering when they see a falcon, foe to all small birds, come soaring near them, even so did the Achaean youth raise a babel of cries as they fled before Aeneas and Hector, unmindful of their former prowess. When he and Great Ajax are referred to as a pair, they are called the Aeantes. Run instantly to the ships and tell Achilles, that he may come to rescue the body and bear it to the ships.
Simile (e. g. dragged as a slave). But Achilles is a simpler character. Then he whirled her round with a twist of his hand, and flung her down from heaven so that she fell on to the fields of mortal men; and he was ever angry with her when he saw his son groaning under the cruel labours that Eurystheus laid upon him. As he spoke he breathed heart and strength into the horses so that they shook the dust from out of their manes, and bore their chariot swiftly into the fight that raged between Trojans and Achaeans. Iliad Questions and Answers. The most notable example being his difficulty in controlling his men. On this she left her brave son, and as she turned away she said to the sea-nymphs her sisters, "Dive into the bosom of the sea and go to the house of the old sea-god my father. Patroclus is compassionate as well as fierce; when Achilles will not fight, it is Patroclus who attempts to save his comrades from certain death. If your lord and master, the most renowned.