2 Dec
I was also wondering why evolution would have designed men to be turned on quickly, but for women to be turned on at a slower rate?
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Filed under: Sexual Health
Posts Tagged ‘explain’
26 Aug
“These athletes are long distance runners, explain why their heart rates increase as they run”?
Author: victerThe above question is as part of my revision for my GCSE addtional Science biology so please give me the best and most precise answer to the question. So far i have put- “Because energy is used quickly during vigarous exercise. Respiration needs to take place. Heart rate increases as not enough oxygen is able to reach the muscles of the athletes in aerobic respiration and anaerobic respiration takes place. ” please could you help me expand?Also, seen as this is the second part of the question, what is the word equation for Anaerobic respiration?Thanks
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1 Jul
I have a bunch of questions I have answered. Just want to make sure everything is correct. If I have made an error please note which question number and what you feel the correct answer should be. Thanks! 1. Chemical reactions that will occur only if there is an addition of energy are said to be: Answered- endergonic2. A metabolic reaction that has two parts- one reaction that releases energy and one reaction that requires energy to be completed is said to be a(an):Answered: coupled reaction3. The metabolism (breakdown) of ________ in the mitochondria provides the energy for the resphosphorylation of ADP. Answered: glucose4. ATP contains: Answered: adenine, ribose, and three phosphates5. Facilitated diffusion is not used for ATP by the body’s cells. Answered: True6. Most enzymes are: Answered: protein molecules7. Most of the body’s cells use a great amount of ATP daily Answered: but lare amounts of ATP are not stored by the body because we contantly re-generate ATP from ADP + phosphate8. If A>>B>>C>>D>>E>>F represents a metabolic pathway, then the letter F would represent?Answered: End product9. Which of the following is NOT true about enzymes? Answered: They provide the energy for many cellular reactions. 10. The combination of an enzyme and the substance it will act upon (catalyze) is called the:Answered: active site11. Which of the following is ot an enzyme?Answered: maltose12. What occurs when electrons are lost during a chemical reaction?Answered oxidation13. What are the end products of aerobic cellular respiration?Answered: carbon dioxide and water14. What are the reactants in the overall equation for aerobic cellular respiration?Answered: oxygen and glucose15. Glycolysis occurs? Answered: in the matrix of the mitochonria16. The final acceptor fore hydrogen ions in aerobic cellular respiration is?Answered: oxygen17. Most of the ATP of aerobic cellular respiration is produced by?Answered: the electron transport system18. Our muscles will undergo fermentation and produce lactic acid when:Answered: No oxygen is available19. Which process occurs in the cristae of the mitochondra?Answered: electron transport system20. Another term for an exergonic reaction is:Answered: catabolicTrue/False21. Enzymes catalyze chemical reactions-but are not changed in the process Answered: true22. When an organized system experiences entrophy- it will become less organized- and ultimately less stable. Answered: true23. ATP is necessary to accomplish the chemical work of protein synthesis. Answered: true24. An oxygen debt accumulates when lactic acid builds up in the muscles during strenuous exercise. Answered: true25. Fermentation is an aerobic process. Answered: false26. Decreasing the activation energy of a particular reaction means that it will require more energy to complete that reaction. Answered: false27. Even if enzymes denature- they can still act as catalysts. Answered: false28. Reduction reactions are defined as rections where electrons are gained by the system. Answered: true29. In the process of cellular respiration, glucose is oxidized and oxygen is reduced. Answered true30. Most enzymes funtion best at a pH of about 7. Answered: true31. The “stored” energy in a molecule like glucose: answered- ATP32 Referred to as the energy of motion: answered: kinetic energy33. Energy can neither be created nor destroyed: answered: 1st law of thermodynamics34. Organized systems tend to disorganize and lose energy over time: answered: 2nd law of therm35. The energy “currency” of all cells: answered: Potential energy36. Glucose actually splits into two 3-carbon molecules of PGAL answered: Glycolysis37. Produces lactic acid in animal cells and alcohol and carbon dioxide in certain bacterial cells. Answered: Fermentation38. Receives 2 molecules of Acetyl CoA and releases 4 molecules of carbon dioxide and 2 ATP’s Answered: Krebs Cycle39. Pyruvic acid is converted ton Acetyl CoA and moves into the mitochondria Answered: Transition Reaction40. Carrier molecules move electrons from high energy to low energy levels in this processAnswered: Electron Transport SystemI reversed #’s 31 and 35 answers (I think)
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16 Jan
Explain what this article means…The only thing i dont understand is the “diet holiday” please read!?
Author: victerR rules? Forward – diet plan in adolescentesLe plan teen weight loss indicates clearly what to do: Follow the charts height / weight to help? d? finish and follow-loss goals poidsAyez power? balanced? ePerdre weight G? n? generally by dc? l suppl calories? ments. . . Which means exercise! Go to bed? the m? me? era and sleep 6-8 hours more nuitBoire eauR? rules not to break – diet plan in adolescentesLe plan teen weight loss? written clearly things that can ruin r your efforts? scheme: Never lose more than 2 pounds per semaineNe never lose weight by eating fewer calories without limit or exercerJamais? avoid completely? ment consume any group alimentaireDites not? Fast Foods (at least most of the time to say no) Do not skip meals or fast – the best way? you lose weight is to eat 5-6 meals a journalist not leave? motions you drive? mangerLes? simple steps – diet plan in adolescentesIl only four? tapes? compl? ter when the terms of weight loss among adolescents: ExerciceIl is in addition to any activity? physics that you do during the? school. You need to combine some form of exercises? Robiques came with? Ment in r? Resistance. This is the best thing for organizations more and plus.Vos muscle tone and become? Tightened?. The most tone your muscles are controlled more you can? Your weight l and pr upcoming poids.Voici gain some examples: Walking with wrist and ankle weights 4-5 times per week for 45 minutes. Walk in the hills that your air conditioning am? Liore.classe of a? Robie with wrist and ankle weights 3-4 times per week for 30-40 minutes.Natation organized tours? S 4-5 times of semaine.Circuit ‘went? ment with bands r? sistance.Encadrement of routine? development of force? using weights and halt? res and machinery followed by 2.1 mile jogs, 3-4 times per semaine.Ayez power? balanced? e and r? slowly reduce CaloriesR? ducing your calories by 5% of your calories normal for two weeks. Then r? Reduce your calorie intake by 10% for a week. Finish with an r? Reduction of 15% of your daily calories for a week. It’s a total of 4 weeks of feeding r? Pick in calories.Continuer? exercise and controlled? l your weight loss. Never lose more than 2 pounds per week. Add calories? No if your diet? necessary to stay below 2 pounds of weight loss r semaine.Ne never try? regime? low-carb, r? low-fat regime, or any r? regime which limits considered? considerably from one group on vacation alimentaire.Partir DietChaque week, 5 r? regimes, when you try to lose weight, arr? ter r? reduction of calories and start? eat the amount you normally would, but now? eat more? balanced? e.Continuer? exercise during the Di? te vacances.Pour do this for a week and then red? r sick plan? reduction in calories for 4 weeks. As before, start with r? Reduce your calorie intake by 5% of your normal consumption for two weeks, then 10% for a week, and ending with r? Maximum reduction of 15% for a week. Now, r? P? Tez holidays r? Regime nouveau.Suivre the cycle of alimentationDans if o? you have not noticed? is a cycle of r? regime you follow. R you? Gradually reduce your caloric intake by 5%? 15% of your normal consumption over 4 weeks, then begin a week of vacation Di? You. R p? Tez process up? you achieve your weight id? al.? has it! And, yes, it’s as simple as that. Tone (possibly? Be built) your muscles, r? Slowly reduce your calories for 4 weeks a r? Food regime? Balanced?, And? the end of the cycle with a one week vacation Di? you (but keep the year). How can I do? explain what this means? I lost? 30 since the end of January? Aim to December. . DontKnow i and if what is healthy or do I lose like? 20 of 10lbs of fat and muscle?? How can I correct my mistake now? following this? Please give t explain holiday supply only thing I didn’t get thank you!
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Filed under: Exercise
