Physioex 9.0 Review Sheet Exercise 1 Cell Transport Mechanisms and Permeability Name Lab Time/Date ___ Activity 1 Simulating Dialysis (Simple Diffusion) 1. Describe two variables that affect the rate of diffusion. Size of material and concentration 2. Why do you think the urea was not able to diffuse through the 20 MWCO membrane? How well did the results compare with your prediction? The molecules were too large to pass through. This is what I predicted
Premium Diffusion Molecular diffusion Osmosis
of the cell. An important part of regulating this is passive transport. Passive transport is the movement of materials through membranes without any input of energy. One type of passive transport is diffusion. Passive transport is the diffusion of substances across a membrane. In diffusion‚ molecules will usually move from where the substance is more concentrated to where it is less concentrated. The molecules also tend to spread out in the space they enter just like food coloring in water
Premium Cell wall Diffusion Cell membrane
Diffusion is the process by which a particular phenomenon --- such as a contagious disease‚ a technological innovation or even an idea --- is spread from person to person over a period of space and time. One method of diffusion is known as expansion diffusion‚ which is broken down into three distinct types. Expansion Diffusion * Strictly defined‚ expansion diffusion is the process of spreading something from one place to another in an ever-expanding "snowballing" process. Expansion diffusion
Free Infectious disease Black Death
Topic 1 Part I - Multiple Choice Questions 1 Which two particles have approximately the same mass? (1) proton and neutron (3) neutron and electron (2) proton and electron (4) neutron and positron 2 Which statement is true about a proton and an electron? (1) They have the same masses and the same charges. (2) They have the same masses and different charges. (3) They have different masses and the same charges. (4) They have different masses and different charges. 3 The atomic
Premium Atom Neutron Proton
Name: Date: Study/answer the following questions in order to prepare for your test Answer true/false for the following: Pollen can be carried by wind‚ animals‚ or water. Animal-pollinated plants have fragrant or showy flowers to attract the animals. Fungi‚ such as mold‚ Baker’s yeast‚ and mushrooms produce almost no spores. When environmental conditions are harsh‚ some bacteria form thick-walled‚ resistant spores‚ called ectospores The hard outer layer‚ or shell‚ of a pollen grain or
Premium Flower Plant Pollen
Review Sheet Exercise I: Survey of Higher Microorganisms: Protozoa‚ Fungi‚ and Helminths Protozoa (group of Kingdom Protista) 1. Amoeba a. nucleus- dark center of the cell b. food vacuole- They feed by taking nutrients into the cell by diffusion and packaging it into (clear circles spread throughout the cell) c. pseudopod- “false foot”; the motility results from the streaming of the protoplasm that forms the process 2. Entamoeba causes amoebiasis or amoebic dysentery‚
Premium Staining Bacteria Gram staining
WEEK 1 GEN Adverse reactions for drugs occur because: No drug has only one receptor it binds to. A drug that occupies and "turns on" a receptor is an: agonist Before marketing a new drug‚ the drug company asks the FDA to approve its choice of: trade name The time between when a drug response is observable and when there is no longer an observable drug effect is called the duration of action This term refers to how much of a drug must be given to see a desired response potency
Premium Pharmacology Hypertension Myocardial infarction
A summary of Diffusion of Innovations Les Robinson Fully revised and rewritten Jan 2009 Diffusion of Innovations seeks to explain how innovations are taken up in a population. An innovation is an idea‚ behaviour‚ or object that is perceived as new by its audience. Diffusion of Innovations offers three valuable insights into the process of social change: - What qualities make an innovation spread successfully. - The importance of peer-peer conversations and peer networks.
Premium Diffusion of innovations Innovation Crossing the Chasm
Nationalism: loyal to your country Political ideologies Conservatism- does not want change Liberalism- wants change Moderates- wants some changes Congress of Vienna Metternich: Foreign minister of Austria. He distrusted the democratic ideals of the French Revolution. Metternich wanted to keep things as they were. He had three goals for the congress of Vienna. 1. He wanted to prevent future French aggression by surrounding it with strong countries. 2 restore a balance of power. 3 restore
Premium Prussia Kingdom of Prussia Otto von Bismarck
Name ________________________ Date ________________ Endocrine System Physiology R E V I E W S H E E T E X E R C I S E 4 (Activity 2‚ 3‚ & 4) A C T I V I T Y 2 Plasma Glucose‚ Insulin‚ and Diabetes Mellitus 1. What is a glucose standard curve‚ and why did you need to obtain one for this experiment? Did you correctly predict how you would measure the amount of plasma glucose in a patient sample using the glucose standard curve? _A glucose standard curve is a method for identifying
Premium Diabetes mellitus