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زیست شناسی گرگان - برخی از سوالات دانش اموزان در مدرسه راجع به زیست سال سوم

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برخی از سوالات دانش اموزان در مدرسه راجع به زیست سال سوم

1-در کتاب نوشته که "دفاع غیر اختصاصی در مقابل اغلب میکروب ها یکسان عمل میکند“

2- باکتری های غیربیماریزایی که در پوست زندگی میکنند و یا در سایر نواحی دیگر بدن(فلورنرمال) چطور در مقابل دفاع غیر اختصاصی و اختصاصی بدن مقاومت می کنند؟

3-چرالیزوزیم بزاق و عرق آنها را از بین نمی برد؟ چرا ایمنی هومورال و سلولی علیه آنها تحریک نمی شود؟ چرا و چگونه این باکتریها می توانند به نابودی باکتری های بیماریزا در بدن کمک کنند؟

4-کتاب نوشته که ”تب همیشه بیشتر بدلیل ورود عوامل بیماریزا ایجاد می شود. آیا دلیل دیگری هم برای تب وجود دارد؟

5-آیا هیستامین  مو.جب گشادی رگها در بافت ملتهب شده می شود یا باعث گشادی مویرگها می شود؟ مویرگ که فقط یکردیف سلول اپیتلیال دارد چگونه گشاد می شود؟

آیا منظور اینست که  موجبافزایش نفوذپذیری مویرگها می شود یا علاوه بر گشاد کردن رگها باعث افزایش نفوذپذیری هم می شود؟

 چگونه منافذ مویرگها را گشاد می کند؟

6-آیا هیستامین روی عضلات صاف در محل انشعاب مویرگها(دریچه های مویرگی) نقش گشاد کننده دارد؟

 آیا هیستامین تنگ کننده ی عضلات صاف محسوب می شود؟


هر سلولی که دیاپدز می کند توانایی فاگوسیتوز دارد  یا هر سلولی که فاگوسیتوز می کند توانایی دیاپدز دارد.

7-نحوه کار اینترفرون چگونه است؟ گفته شده که از تکثیر ویروس در سلول های سالم جلوگیری کرده و باعث جلوگیری از ورود ویروس به سلول های سالم میشود. چگونه؟

8-گر لنفوسیتهای T به سلول های الوده به ویروس حمله کنند ایا با سوراخ کردن سلول باعث پراکندگی بیشتر ویروس ها در بدن نمی شوند؟

9-ایا در ژنوم همه ی سلول های بدن ما ژن های رمزگذار اینترفرون وجود دارند؟ در کتابی خوندم که ژن رمزگذار اینترفرون در ژنوم ویروس وجود دارد؟ یعنی ویروس ژن نابود کننده ی خودش رو به سلول میزبان هدیه می دهد؟

10-هورمون غده ی تیموس چیست و چکاری در بدن انجام میدهد؟

11-پس از تحلیل این غده در بلوغ، ایا بلوغ لنفوسیت های t  یا همه آنها قبل از بلوغ انسان؛ بالغ شده اند و در لنف و خون و اندامهای لنفی مستقر شده اند؟

12-ایا مواد معدنی هم می توانند انتی ژن محسوب شوند؟ در کتاب نوشته که پروتئین ها و گلیکو پروتئین ها انتی ژن هستند و لی در جای دیگر گفته که گردوغبار هم باعث بروز الرژی می شود یعنی الرژن هستند!

13-پس از تحلیل این غده در بلوغ، ایا بلوغ لنفوسیت های t  یا همه آنها قبل از بلوغ انسان؛ بالغ شده اند و در لنف و خون و اندامهای لنفی مستقر شده اند؟

14-ایا مواد معدنی هم می توانند انتی ژن محسوب شوند؟ در کتاب نوشته که پروتئین ها و گلیکو پروتئین ها انتی ژن هستند و لی در جای دیگر گفته که گردوغبار هم باعث بروز الرژی می شود یعنی الرژن هستند!!

15-کدام نوع از پادتن ها از خون خارج میشوند؟ فقطIgM

16-گفته شده که تزریق واکسن موجب تولید پادتن و سلول های t,B خاطره می شود. یعنی سلول t کشنده تولید نمیشه؟؟!!

17-چرا برخی از افراد مبتلا به ام اس طبق گفته ی کتاب بهبود پیدا می کنند؟؟ مگه بیماری خود ایمنی نیست پس چطور خوب میشن؟

18-در ام اس سلول های B,T توأم با هم کار می کنند یا فقط سلول هایT ؟  خودم میدونم که این دو سلول در تمام موارد با هم کار می کنند ولی جملات کتاب ابهام داره...


نوشته شده در : چهارشنبه 11 آذر 1394  توسط : شریفی زاده .    نظرات() .

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