being hypertonic which means that the total concentration of all the dissolved solute particles is greater than the other solution. Core B was isotonic meaning that it had an equal balance throughout. When two environments are isotonic it means that the total molar concentration of dissolved solutes is the same in both of them (equal). When cells are in an isotonic solution‚ movement of water out of the cell is exactly balanced by movement of water into the cell. Core C was the most flexible which made
Premium Water Chemistry Concentration
Experiment 2 : Transport Across Membrane Name : Matrix No : Group : B Semester : 1 Date of Experiment : 05.09.2013 Lecturer’s Name : Miss OBJECTIVE To study the effects of hypotonic‚ hypertonic and isotonic solutions on plant and animal cells. INTRODUCTION In cellular biology the term membrane transport refers to the collection of mechanisms that regulate the passage of solutes such as ions and small molecules through biological membranes‚ which are lipid bilayers
Premium Cell wall Cell Cell membrane
Abstract The experiment was carried out to investigate at which point the potato has reached its isotonic environment. From the results‚ when the concentration increase to 0.3M‚ the mass of the potato slices decreased by -3.26%. We can conclude we see that as we increased the sucrose concentration it was a decrease in the percent change. Introduction All cells have membranes that are selectively permeable. In other words‚ they allow certain things in and certain substances are not allowed to
Premium Chemistry Concentration Osmosis
Introduction: The endocrine system is the second greatest control system of the body and has many effects on the tissues and organs. The thyroid gland‚ which is a part of the endocrine system‚ releases a hormone that maintains metabolism. This hormone is thyroxine. Thyroxine production is controlled by thyroid stimulating hormone‚ which is released by the pituitary gland. TSH stimulates the thyroid gland to produce thyroxine. In this experiment‚ the effects of TSH and thyoxine on metabolic rate
Premium Thyroid Thyroid hormone Endocrine gland
The effects of osmosis on potatoes placed in different salt concentration Introduction: Osmosis is a movement of water across a semi-permeable membrane. This may only happen when there is a difference in concentration between the two sides of the membrane. The water moves from low concentrations to high concentrations. That is because the low concentrated area tries to dilute the opposite via osmosis. The effects osmosis has on a cell are either that it becomes turgid and hard as water enters
Premium Cell wall Osmosis Concentration
stretch. The muscle working is contracting – agonist‚ opposing muscle is relaxing – antagonist - types of muscle contraction; When muscles are relaxed they are soft and loose but when they contract to produce a force they become hard and elastic. Two main types of contractions are isotonic; (equal tension) the muscle develops a force in lifting and lowering a load. 1. Concentric isotonic– the muscle develops
Premium Health Public health
The endocrine system is the collection of glands that produce hormones that regulate metabolism‚ growth and development‚ tissue function‚ sexual function‚ reproduction‚ sleep‚ and mood‚ among other things. The endocrine system is a very important system in the human body. There are many endocrine glands in this system‚ including -but not limited to- the pituitary gland‚ hypothalamus‚ pineal gland‚ thyroid gland‚ parathyroid glands‚ adrenal glands‚ pancreas‚ gonads‚ placenta‚ thymus‚ heart and gastric
Premium Endocrine system Hypothalamus Anxiety
physioex 9.0 Review Sheet Exercise 10 Acid-Base Balance Name ___ Lab Time/Date ___ Activity 1 Hyperventilation Describe the normal ranges for pH and carbon dioxide in the blood.___ ___ ___ Describe what happened to the pH and the carbon dioxide levels with hyperventilation. How well did the results compare with your prediction? ___ ___ ___ Explain how returning to normal breathing after hyperventilation differed from hyperventilation without returning to normal breathing. ___ ___ ___
Premium Carbon dioxide PH Bicarbonate
conditions that the solutions will experience. These conditions include hypotonic‚ hypertonic‚ and isotonic. Hypotonic describes the movement of the solution going from a high level of concentration to a lower level of concentration. On the other hand‚ a solution is hypertonic when the movement of the solution goes from a low level of concentration to a higher level of concentration. When a solution is isotonic‚ rather than experiencing movement between two solutions of different concentrations‚ the solute
Premium Osmosis Concentration Solution
So‚ since the egg was hypotonic and had a higher concentration of water‚ it diffused over the cell membrane to the outside solution where there was a lower concentration of water. It does because it wants to reach equilibrium‚ or become isotonic. This process of water diffusing out of the cell across the cell membrane made the egg lose mass and shrink. This is called plasmolysis‚ when the cells start to shrink due to water loss. The fact that the 4 M egg lost the greatest percent difference
Premium Concentration Solution