Chapter 5 REVIEW QUESTIONS 1. How did the described volcanoes in Iceland and the Philippines change the environment to lesser or greater extents? 2. Name and describe the attributes of the two categories into which all organisms can be divided based on how they obtain nutrition. All organisms can be divided into autothrops‚ which produce their own food‚ and heterothrops‚ which need to get their food from somewhere else. 3. Name and describe the roles of the three main trophic categories that make
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Simple Diffusion Activity 1: Simulating Simple diffusion 1. What is the molecular weight of Na+? 22.99 2. What is the molecular weight of Cl-? 35.45 3. Which MWCO dialysis membranes allowed both of these ions through? 50‚ 100‚ and 200 4. Which materials diffused from the left beaker to the right beaker? NaCl‚ Urea‚ and Glucose at MWCO 200 5. Which did not? Why? Albumin‚ too large to diffuse Activity 2: Simulating Dialysis 1. What happens to the urea concentration in the left beaker
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Exercise 8: Compare and contrast multiprocessing and concurrent processing. Describe the role of process synchronization for both systems. Exercise 10: SEE ANSWERS Exercise 13: SEE ANSWERS Advanced Exercise 16: SEE ANSWERS ANSWERS: Exercise 2: a. Example of Deadlock: When two people are about to buy the same product at the same time. b. Example of Starvation: When one person borrowed a pen from his classmate and his classmate gets his pen back. c. Example of Race:
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Chapter #1: Introduction to Financial Statements Brief Exercises BE 1-1 Match each of the following forms of business organization with a set of characteristics: sole proprietorships (SP)‚ partnership (P)‚ corporation (C). _P__ Shared control‚ tax advantages‚ increased skills and resources. _SP_ Simple to set up and maintains control with owner. _C__ Easier to transfer ownership and rise funds‚ no personal liability. BE 1-2 Match each of the following types of evaluation with one of the
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Human Anatomy & Physiology Version 8.0 Physioex Exercise 8 CHEMICAL AND PHYSICAL PROCESSES OF DIGESTION - ANSWERS Please note: I do not include the charts as you still have to do the experiments and print the data and graphs. Activity 1 What do tubes 2‚ 6‚ and 7 reveal about pH and amylase activity? Hint: What variable was changed in the procedure? a. maximum of amylase is at pH 7.0 (tubes 2 & 5‚ brownish red) and pH 9.0 showed little activity (tubes 6 & 7‚ green) Which pH
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EXERCISE 8 - Rotational Dynamics‚ Equilibrium of rigid body 1. If the torque required to loosen a nut that is holding a flat tire in place on a car has a magnitude of 40.0 N m‚ what minimum force must be exerted by the mechanic at the end of a 30.0-cm lug wrench to accomplish the task? 133 N 2. A steel band exerts a horizontal force of 80.0 N on a tooth at point B in Figure 1. What is the torque on the root of the tooth about point A? 0.64 Nm 3. Calculate the net torque (magnitude and
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Running head: ACCOUNTING CYCLE PAPER Accounting Cycle Paper ACC/421 Intermediate Financial Accounting I University of Phoenix January 10‚ 2011 Accounting Cycle Paper When making decisions‚ businesses must provide and be able to gather relevant and accurate financial information. Being able to gather and understand this information helps companies make the best informed decisions for business operations‚ which can only benefit the company. When it comes to gathering the information
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Nataliya Smyelyanska WORKSHEET – UNIT 1 Task 1 – List 5 qualities that a ‘good’ teacher should have and give reasons for your choices. Which of these qualities do you consider to be more important‚ and why? Answer: Being a good teacher is easy; he just must love what he teaches and who he teaches. But speaking about the qualities of a ‘good’ teacher‚ I think he should meet the requirements of three groups of people: students‚ parents and headmasters. Their demands can be different in some
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Touch receptors called Meissner’s corpuscles are found in the papillary region of the dermis of the skin. When nothing is touching the skin‚ a voltage difference known as the (1) ___________ _____________ _____________ exists across the plasma membrane. Leakage channels‚ also called passive channels‚ allow the movement of potassium (and sodium) across the membrane. Due to the electrochemical gradient‚ (2) ___________________ (ion) diffuses out of the cell. Because of this and because proteins that
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303 MSQ Paper Section 1: My science question is‚ “Does exercising while pregnant have positive or negative effects on the mother and baby?” This topic is important because the health of the mother and baby during pregnancy are vital. Exercise is known to be beneficial for people in various ways. Exercise can help a person’s health physically‚ mentally‚ long term‚ and medically. The question I am asking is if this is also true for women during pregnancy. Does exercise during pregnancy benefit the
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