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1. Which of the following is the best source of energy for the cell? Carbohydrates. protein, or fats?
2. What is the reason of moderately drinking alcoholic beverages?
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- 1. What is metabolism and where is energy produced in the cells?4. Complete the following figure using the following terms: phosphate, ATP, and ADP. This process requlres energy from food and a free phosphate. A В This process releases energy that can be used by the cell for work.1 Which of the following statements about metabolism is false? Anabolism refers to chemical reactions that build larger, more complex molecules. Catabolism refers to chemical reactions that break down large, complex molecules into smaller molecules. Energy released in metabolism can be in the form of heat. All of the energy from metabolism is ultimately stored in the chemical bonds of ATP. Check Answer
- 15. In which of the following forms is energy immediately made available for the use of living cells? A triglycerides B. glucose C. protein D ATP . E. GTP1. Explain the importance of gluconeogenesis. Where does it occur in the cell? Which type of tissue is more evident?4. Below each item, identify WHAT it is, indicate WHERE in the cell it is used/made (cytoplasm or mitochondria), identify WHICH STEP of cellular it is used/made in, indicate WHY it is used/made in cellular respiration. Then draw an arrow to indicate where electrons are donated from and end up 60₂ 6H₂O ENERGY + WHAT WHERE STEP WHY C6H₁2O6 12 + + I 6C0₂
- 3. What is the difference between calorie, ATP and GTP? How is GTP converted to ATP? Also explain the synthesis of ATP. Proper explanation and diagram36. Which of the following examples correctly identifies crossing from the external environment to the internal environment of the body? Swallowing food a. b. Glucose moving from the extracellular fluid (ECF) into the cell through glucose transporters Movement of a hydrophobic hormone from the bloodstream to the extracellular fluid after detaching from a transport protein d. Passage of food from the stomach to the small intestine through the pyloric sphincter None of the above are correct e.2. How is ADP different from ATP? A ADP has one less phosphate group and can store more energy. B ADP has one more phosphate group and can store more energy. © ADP has one more phosphate group and stores less energy. D ADP has one less phosphate group and stores less energy.
- 8. Which statement about ATP is FALSE? The hydrolysis of ATP to ADP and Pj is an exergonic reaction. The phosphate bond energy of ATP may be transformed into light energy. ATP drives exergonic reactions using energy derived from endergonic reactions. The synthesis of ATP is an endergonic reaction. ATP can donate a phosphate group to many different molecules.6 The diagram below shows what happens to energy as it passes through an herbivorous mammal (a wildebeest). ticks 5% of this energy stored in tissue 60% of this energy passes through the wildebeest energy contained within food a i State the source of the energy in the food eaten by the wildebeest. State the form in which the energy is present in the carbohydrate eaten by the wildebeest. Name the process that makes the remaining 35% of the energy in the food available to the wildebeest. ii b i ii State three ways in which the energy may be used within the wildebeest. The bird on the wildebeest's back is an oxpecker that feeds both on blood-sucking parasites (ticks) living on the wildebeest, and on blood from the wildebeest's wounds. ci Drawa food web to show the feeding relationships of the organisms in the diagram. ii Explain why there must always be fewer oxpeckers than ticks in this food web.1. Lucas wants to find out which frozen solid melts the fastest: soda, ice or orange juice. He pours each of the three liquids into empty cubes of ice trays, and then places the ice trays in the freezer over night. The next day, he pulls the various types of ice out and sets each cube on its own plate. He then waits and watches for each of them to melt. When the last part of the frozen liquid melts, he records the time. Indenpendent variable: Dependent Variable: Control Variable: Constant(s): Hypothesis:
