题目内容
催化联合脱氨基作用所需的酶是
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体内有两种重要的转氨酶，一种在肝脏含量最高，另一种在心脏含量最高，此两种酶分别是（）和（）。
转氨基作用产生了游离的氨分子。
氨基转移酶的辅酶含有
Watch the video and fill in the blanks with what you hear.Is playing sports as good for us as we make it out to be?First of all, it's well accepted that exercise is good for 1. _______________________________.Exercising, especially when we are young has benefits like 2._____________our bones, 3. _____________________ bad cholesterol form our arteries and 4.______________________ of stroke, high blood pressure and diabetes.A number of chemicals that our brain released during sports, such as endorphins, can lead to feelings of a runner's 5. _____________. Increased endorphins and consistent physical activity can 6. ______________ your focus and 7. ______________ your mind and memory.Moreover, studies show that there are all sorts of benefits that 8. __________________ the physical and mental benefits of exercise alone. Some of those benefits come from the 9. ___________________ of being on a team, for instance, learning to 10. ____________________________, to accept and give help and to work together towards 11. ____________________.Meanwhile, your 12. ______________ and confidence can 13. ___________________________. The reasons are: first, during day-by-day training, you reinforce a growth mindset which is useful in all walks of life-"Even if I cannot do something today, I can improve myself through practice and 14._____________________________. Second, you learn through failure. The experience of coming to terms with defeat can build 15. the ____________ and 16. ______________ necessary to mange academic, social and physical hurdles.
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