細胞生理学 レポート２
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細胞生理学 第二回のレポートです。 真核細胞と原核細胞、細胞膜、リン脂質、コレステロール、糖脂質、共焦点レーザー顕微鏡、膜の流動性 についてざっくりまとめています。
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With over one billion views in a year, it’s no wonder that so many speakers are looking to TED for ideas on how to share their message more effectively.
The article “5 Public-Speaking Tips TED Gives Its Speakers”, by Carmine Gallo for Forbes, gives speakers five practical ways to connect with their audience, and effectively share their ideas on stage.
Whether you are gearing up to get on a TED stage yourself, or just want to master the skills that so many of their speakers possess, these tips and quotes from Chris Anderson, the TED Talks Curator, will encourage you to make the most impactful impression on your audience.
See the full article and more summaries like this on SpeakerHub here: https://speakerhub.com/blog/5-presentation-tips-ted-gives-its-speakers
See the original article on Forbes here:
http://www.forbes.com/forbes/welcome/?toURL=http://www.forbes.com/sites/carminegallo/2016/05/06/5-public-speaking-tips-ted-gives-its-speakers/&refURL=&referrer=#5c07a8221d9b
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Businesses that extract maximum value from ChatGPT will use it as a collaborative tool for everything from brainstorming to technical maintenance.
For individuals, now is the time to pinpoint the skills the future professional will need to thrive in the AI age.
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We’ve stripped back project management processes to the
basics – to make it quicker and easier, without sacrificing
the vital ingredients for success.
“If you’re looking for some real-world guidance, then The Six Step Guide to Practical Project Management will help.”
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Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
細胞生理学 レポート２
- 1. 細胞生理学 レポート② （2017/10/13 の講義分） 2017/10/20 ゆきひろ 【真核細胞と原核細胞】 原核細胞には明瞭な核や細胞内小器官は 存在しない。それに対し真核細胞はどちら も有する。 【細胞膜】 細胞膜は二葉のリン脂質の単分子膜が炭 化水素鎖部を内側、親水性頭部を水と接す る外側に向ける平面的な二重層構造をとっ ている（脂質二重層（図１））。脂質二重層 の主要構成成分は①リン脂質、②コレステ ロール、③糖脂質の 3 種類である。 図１ 【リン脂質】 リン脂質の頭部には水と水素結合できる 構造がある（図 2）。また、リン脂質には種 類が様々あり、構造にグリセリンが含まれ るグリセロリン脂質や構造にスフィンゴシ ンが含まれるスフィンゴリン脂質がある。 図 2 【コレステロール】 コレステロールは構造に固いステロイド 環構造を持ち（図 3）、脂質膜に入り込むと 周囲の脂質が動きやすくなる。このことか ら脂質二重層の流動性の維持に重要である。 図 3 【糖脂質】 脂質の頭部に糖が結合しているものを糖 脂質という。糖脂質は脂質二重膜において 局在異性を持っており、細胞外領域にしか 存在しない（図 4）。
- 2. 図 4 【共焦点レーザー顕微鏡】 共焦点レーザー顕微鏡では、通常の顕微 鏡に比べて細胞の断面図を明瞭に観察する ことができる（図 5）。 図 5 【膜の流動性】 細胞膜には横方向には流動性がある。こ れが FRAP という実験によって証明された。 FRAP とは、細胞膜表面を蛍光色素で標識 し、その一部に強いレーザー光を当てて蛍 光色素を消光させる。しばらく時間を置く と消光した領域に再度蛍光が認められるよ うになるというものである。このことから、 膜が水平方向に拡散していて流動性を有す ることがわかる。 【画像元 URL】 CELLMEMBRANE： http://www.sivabio.50webs.com/cell membrane.htm http://www.tamabi.ac.jp/idd/shiro/ mecha/cell/cell.html 注意！糖尿病にコレステロールはとっ ても危険？運動療法で予防と改善： http://www.thebiglounge.com/entry7 .html Olympus Microscopy： https://www.olympus-lifescience.co m/ja/support/learn/06/023/