Истории и востоковедения
A. Checking your understanding
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- B. Work with language
| A. Checking your understanding
I. Answer to the following questions: 1. What do all living organisms require? 2. What is primary source of energy for living system? 3. What is bio-energy? 4. How many types of energy changes in living organisms are there? 5. What are examples of energy transformation? II. There are several definitions in the text. What are they? Complete the sentences. 1) … is the capacity to do work. 2) … is energy that flows in the living system. 3) … - in which green plants transform radiant solar energy into chemical energy that gets stored as potential energy in carbohydrates. 4) … - in which chemical energy is transformed into light energy. 5) … - in which chemical energy is transformed into electrical energy. 6) … - in which chemical energy is transformed into mechanical energy. 7) … is a classic example of energy transfer in the living system. 8) … is the study of changes in energy as it flows through a living system. III. Are these sentences true or false? 1. The primary source of energy for living system is solar radiation. 2. The radiant energy of sunlight can be utilized directly by all living organisms. 3. All energy conversions in the living system are governed by certain invariable principles called laws of thermodynamics. 4. The ATP molecules don’t transfer energy to other biological molecules. 5. Living organisms restore their lost energy either directly from sunlight (as in green plants) or from their food molecules (as in other organisms). 31 B. Work with language I. Think of verbs corresponding to the following nouns and translate them into Russian. Reference, resistance, correspondence, existence, coalescence, conductance, difference II. Put all possible questions to the following sentences. 1. All living organisms require energy for carrying on their vital metabolic activities. 2. The primary source of energy for living system is solar radiation. 3. The ATP molecules transfer energy to other biological molecules. 4. The breaking up of this bond releases chemical energy. 5. They represent the entry point for the flow of energy in the living system. III. Put the words into the right order. Check your answers with the text. 1) types/ energy / changes / the / system / there / of /are / two / in / living. 2) example / of / transfer / in / the / system / respiration /a / classic / energy / living /is. 3) is/ measure /the / degree / of / disorder / entropy / a / of . 4) corresponds / the / energy / to / of / amount/ it . IV. Guess the words: 1) htosnyohstsiep….. 2) cmlinoicbuenees… 3) tserpainori… 4) lagiooblic… 5) smecolleu… |