BIOLOGY DB015 (ASSIGNMENT) PASSIVE AND ACTIVE TRANSPORT GROUP MEMBERS : ABDUL MUIN BIN ABDUL MALIK (MS1311580012) AIMAN HAKIM BIN A.MANAP (MS1311580006) MUHAMMAD AMIN BIN MAT SAUPI (MS MUHAMMAD FARIZUL BIN AMRAN (MS LECTURER : MISS AFIQAH BT MOHAMED Q INTRODUCTION The various organelles and structure within a cell require a variety of subtances in order to carry out their functions. In turn‚ they form products; some useful and some not. Most of these substances must pass in and
Premium Osmosis Cell membrane Diffusion
concentration. In this lab‚ we can determine the direction of diffusion of small molecules by measuring the diffusion of small molecules through dialysis tubing. This tubing acts as a selectively permeable membrane‚ and allow to pass larger molecules slowly. Introduction: Cells have kinetic energy and it causes the molecules of the cell to move around and bump into each other. Diffusion is one result of this molecular movement. Diffusion is the passive movement of molecules from an area of higher
Premium Osmosis Diffusion Chemistry
patient’s tissues. ... This is an example of third spacing‚ which can also occur in trauma‚ burns‚ ... An IV solution’s effect on body fluid movement depends in part on its tonicity‚ ... [PPT] Diffusion and Osmosis in the Human Body www.olchs.org/.../Diffusion%20and%20Osmosis%20in%20the%20Hum... Diffusion and Osmosis in the Human Body ... vessels get smaller as they get to areas in the body where gas exchanges must be made (lungs‚ body tissues‚ etc.) ... The Effects of Osmosis - Etomica www.etomica
Premium Osmosis Semipermeable membrane Blood
Osmosis is the movement of water across a membrane. It always navigates to the area of the membrane with a higher solute concentration. We take a closer look at the effects of osmosis in this lab through the examination of red blood cells (sheep)‚ plant cells (elodea)‚ and active transport in yeast. Under the microscope‚ we can determine the effects on plant and animal cells exposed to hypotonic‚ hypertonic‚ and isotonic sodium chloride solutions. Plant cells have a cell wall; however‚ animal cells
Premium Osmosis Concentration Chemistry
“The mayor directed building of a one-person and two-person reed boat‚ which apparently was nigh unsinkable and rode the waves elegantly. Having arrived at this point‚ it was probably not too much of a stretch to lash multiple boats together to get a much larger boat. The bulrush reed they used for building these boats was the totoro‚ a fresh-water reed found at Lake Titicaca‚ Peru‚ and which the Easter Islanders planted down in the marshy recesses of their extinct volcanoes.” So although there
Premium Ocean Family Fish
selective diffusion of water and other molecules across membranes‚ which in the case of living organisms‚ the solvent (water) would have net movement across a selective permeable membrane. Osmosis only occurs when a membrane such as that of a cell is permeable to water molecules but not to specific solutes (Tortora & Derrickson 2014). Certain simple molecules such as oxygen‚ water and carbon dioxide can travel across the cell membrane by osmosis‚ a passive process similar to other forms of diffusion (Hill
Premium Osmosis Diffusion Concentration
Week 9 Week 9 Application: Diffusion of Responsibility Pro-Social Behavior Conceptually‚ pro-social behavior includes behavior intended to benefit others‚ including behaviors such as helping‚ comforting‚ sharing‚ cooperating‚ reassuring‚ defending‚ and showing concern (Fiske‚ 2012‚ pg. 342). Pro-social behavior is intended to help another individual or group‚ but not benefit the self. Pro-social behavior reflects four types of social motivation‚ which reflects our core social motives (Fiske
Premium Bystander effect Kitty Genovese
escape into the air‚ and cadmium and lead may end up in the ash. As one of the most ubiquitous crops in the world‚ the potato is poised to feed the entire world. Along the way‚ scientists discovered that the popular staple of many people’s diets may also have potential to help power it as well. The potato is starchy‚ tuberous crop from the perennial nightshade . The word "potato" may refer either to the plant itself
Premium Battery Electric current Electric charge
ODD ONE OUT 1. Find the odd one out. A. Ginger B. Garlic C. Chilli D. Potato ANS-C Explanation Chilli is modified stems 2. Find the odd one out A. Eagle B. Hawk C. Bird D. None of these ANS-C Bird is prey of another bird 3. Find the odd one out A. Credit B. Deposit C. Withdrawl D. None of these ANS-C Explanation Credit and deposit indicates addition in amount while withdrawl indicates reduction. 4. Find the odd one out A. Microscope B. Telescope C. Periscope D. Stethoscope ANS-D Explanation The stethoscope
Premium Potato Concentration Starch
Boland lived a full and lusty life. Now he was dying. Resisting the waiting arms of death‚ he retreated into the past. In 1845 nature cast a dark spell over Ireland‚ causing the number one food staple to fail. Leaves curled up‚ stalks turned black‚ potato tubers rotted in the ground‚ and a stench rose from the earth. For ten years‚ hunger and death ruled with ghoul-like fiendishness. Relief finally came‚ but too late for Raymond’s parents who died from cholera. In 1879 the blight returned with renewed
Premium Great Depression John Steinbeck Dust Bowl