高校物理「波動」ガラスが水面上に置かれているとき①
◆問題
一定の厚さのガラスが水面上に置かれている。水の屈折率を４／３，ガラスの屈折率を３／２として次の問いに答えよ。
(1) 水に対するガラスの屈折率を求めよ。
★★ お知らせ ★★
ＡＥ個別学習室(えまじゅく)水戸教室では、学校の授業の補習、定期テスト対策だけでなく、「大学入試共通テスト」の対策授業を行っています。
従来のセンター試験や試行テストの内容を踏まえて、理系文系全科目の指導が可能です。
マンツーマンの授業なので「ゼロからのスタートの人は中学の復習から」「基本ができている人は応用問題の解き方中心に」など、ひとりひとりの状況に合わせて授業を行います。
適切な時期に適切な対策をすれば、どんな目標でも達成可能です。志望校を諦める前に、まずは一度ご相談ください。
◆解説
屈折の公式は次のようになっています。
ｎ12＝ｓｉｎθ1／ｓｉｎθ2＝ｖ1／ｖ2＝λ1／λ2＝ｎ2／ｎ1
媒質１に対する媒質２の屈折率はこのように、サインでも、速さでも、波長でも、それぞれの屈折率からでも求めることができます。
屈折率を使う場合だけは添え字の１，２が逆になっていることに注意してください。
この問題では、水に対するガラスの屈折率を聞いているので、ｎ1は水の屈折率で３／４，ｎ2はガラスの屈折率で３／２です。
ｎ12＝ｎ2／ｎ1だから、
ｎ12＝(３／２)／(４／３)
＝(３／２)×(３／４)
＝９／８
次の問題→(2) ガラスから空気中へ光が進むときの臨界角をθcとして、ｓｉｎθcの値を求めよ。
◆関連項目
屈折、全反射
波動まとめ
江間淳の書籍はこちら
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2021年12月22日
本日配信のメルマガ。平成29年試行テスト英語第６問 最後まで
本日配信のメルマガでは、平成29年試行テスト英語第６問の最後までをスラッシュリーディングします。
【高校英語】共通テストの英文解釈
http://www.mag2.com/m/0001641009.html
■ 問題
平成29年試行テストより
第６問
You are writing a review of the story. "Oscar's Camp Canyon Experience,"
in class.
[Oscar's Camp Canyon Experience]
Twelve-year-old Oscar has just finished a wonderful week at Camp Canyon.
He had the time of his life--making new friends, developing new skills, and
discovering a love for science among many other things. And Oscar learned
an important lesson: Sometimes, when faced with a difficult situation, it's
best just to let it go. He learned, too, that things are not always what
they seem.
Camp Canyon is a summer camp for boys and girls from eight to sixteen.
In the U.S., there are many kinds of camps. Often, kids focus on particular
skills or learn values from religious books and traditions. Camp Canyon,
though, is different. Its main aim is for the kids to discover for
themselves how to deal with difficult situations using ideas based on the
importance of communication and mutual respect. During their week at the
camp, the kids develop their powers of judgment and sense of right and
wrong--all while having fun swimming, playing games, and doing hands-on
science and nature projects.
This was Oscar's second summer at Camp Canyon, and he enjoyed showing
newcomers around. On the first day, he introduced himself to Dylan, a boy
of his age attending the camp for the first time. Oscar spent a lot of time
helping Dylan get used to his new circumstances, and they quickly became
friends. The both enjoyed playing video games and climbing trees, and at
the camp they discovered a shared love of Gaga Ball, a form of dodgeball.
Oscar and Dylan played Gaga Ball until they were exhausted, throwing the
ball at the other kids and screaming with laughter. Afterward, sitting on
their bunk beds, they would talk for hours about their home and school
lives, and how much they were enjoying Camp Canyon.
One of the other campers was a boy named Cristopher. Initially,
Christopher seemed like a well-behaved, fun-loving boy. Oscar couldn't wait
to get to know him. However, it wasn't long before Christopher's behavior
started to change. He didn't bother to make his bed. He left games and
other belongings lying around on the floor. He was inconsiderate and
self-centered. And he was mean, as Oscar and Dylan soon found out.
"Dylan didn't brush his teeth. And he's smelly! He didn't take a shower
today," shouted Christopher at breakfast, making sure all the other kids
could hear.
Oscar and Dylan were shocked to hear Christopher's comments. Oscar had
always tried his hardest to make everyone feel welcome. Christopher seemed
to take great delight in saying things that upset the other two boys. He
even pushed in front of Oscar when they were lining up for lunch. He just
laughed when Oscar angrily protested.
Oscar consulted the camp counselor about their problems with Christopher.
She gave Christopher a strong warning, but, if anything, his behavior got
worse. The other kids just kept out of his way, determined not to let
anything spoil their fun activities at camp.
One of these activities was a discussion session with a science teacher.
Although Oscar had shown little interest in science at school, this was
particularly fascinated to learn about reflected light and how we see
certain colors. A red object, for example, absorbs every color of the
rainbow, but reflects only red light to our eyes.
"So," Oscar reported breathlessly to Dylan, "a red object is actually
every color EXCEPT red--which is reflected! Isn't that amazing? I just
love science!" Things, he had come to realize, are not always what they
seem.
The campers also discussed ethics and the rules that would be best for
the group as they experienced their week together. Whenever there was a
disagreement, they stopped to consider what might be the right or wrong
thing to do according to each situation. In this way, they learned to
function together as a harmonious group.
Through these discussions, Oscar learned that there is not always an
obvious solution to a problem. Sometimes, as with the case of
Christopher's bad behavior, the answer might just be to let it go. Oscar
realized that getting upset wasn't going to change anything, and that the
best way to resolve the situation without drama would be to walk away from
it. He and Dylan stayed calm, and stopped reacting to Christopher's
insults. This seemed to work. Soon, Christopher lost interest in bothering
the boys.
The end of the week came far too quickly for Oscar. His memories of the
camp were still fresh when, a few days after returning home, he received a
postcard from Christopher.
Dear Oscar,
I'm really sorry for the way I behaved at camp. You and Dylan seemed to
be having so much fun! I felt left out, because I'm not very good at
sports. Later, when you stopped paying attention to my bad behavior, I
realized how silly I was being. I wanted to apologize then, but was too
embarrassed. Are you going to the camp again next year? I'll be there, and
I hope we can be friends!
So long,
Christopher
Yes, thought Oscar, when he had recovered from his surprise, with
Christopher, he had been right to let it go. Putting down the postcard, he
remembered something else he had learned at camp: Sometimes, things are not
what they seem.
Complete the review by filling in [ 34 ] to [ 38 ].
img
Oscar's second time at Camp Canyon started with him welcoming newcomers.
[34]
{1} All the camp participants quickly became good friends.
{2} Most campers stopped enjoying the fun activities.
{3} One of the campers surprisingly changed his attitude.
{4} The camp counselor managed to solve a serious problem.
[35]
{1} Christopher continued to behave very badly.
{2} Dylan could understand how light is reflected.
{3} Oscar played a leading role in group discussions.
{4} The counselor reconsidered her view point.
Oscar applied what he had learned at camp to find a solution to the problem.
Oscar was active and sociable.
Christopher might have seemed unfriendly, but actually he was [36].
{1} just unhappy because he was unable to take part in all the activities.
{2} probably nervous as he was staying away from home for the first time
{3} smarter than most campers since he tried to hide his honest opinions
{4} thoughtful enough to have brought games to share with his friends
I don't think Oscar really knew how to deal with the problem. All he did
was [ 37 ]. He was lucky Christopher's behavior didn't get worse.
{1} avoid a difficult situation
{2} discuss ethics and rules
{3} embarrass the others
{4} try to be even friendlier
問４
This story would most likely appeal to ...
Readers who want to [ 38 ]
{1} get detailed information about summer outdoor activities
{2} read a moving story about kids success in various sports
{3} remember their own childhood experiences with friends
{4} understand the relationship between children and adults
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
=========================== お知らせ１ ===============================
茨城県水戸市、常陸太田市、東海村の個別指導教室
「ＡＥ個別学習室(えまじゅく)」では、生徒募集をしています。
１クラス４人までの少人数で、経験豊富なプロ講師の授業が受けられます。
女性講師も指定可能です。対象は小学生～高校生・浪人生。社会人も歓迎します！
ご自分でお子さんを指導したい親御さんへの個別セミナーも行います。
東海村教室では、全国大会経験者による指導が受けられる卓球教室の生徒も
同時募集しています。
福利厚生サービスの「リロクラブ」会員様には優待があります。
興味をお持ちの方は、まずは mm@a-ema.com までお問い合わせください。
家庭教師・塾のサイトと連絡先はここ → http://www.a-ema.com/
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『とにかく早い者勝ちっ！』
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■ スラッシュリーディング
You are writing / a review / of the story,
"Oscar's Camp Canyon Experience," / in class.
あなたは書いている / レビューを / その物語の
/ "Oscar's Camp Canyon Experience" / 授業で
[Oscar's Camp Canyon Experience]
Twelve-year-old Oscar / has just finished / a wonderful week
/ at Camp Canyon.
１２歳のOscarは / 終えたところだ / ある素晴らしい１週間を
/ Camp Canyonでの
(以下略)
(有料版では、解説の続きも掲載しています)
http://www.mag2.com/m/0001641009.html
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
=========================== お知らせ２ ===============================
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紙の書籍、電子書籍もご利用ください。
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解説の続きは、本日21時配信予定の
【高校英語】共通テストの英文解釈
http://www.mag2.com/m/0001641009.html
に掲載します！
全て長文問題になった大学入試共通テスト。今まで以上に読解力が求められます。
翻訳も行っている著者が、スラッシュリーディング、全文訳とともに解説します。
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ブログにもメルマガの記事を分割して掲載しています。
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------------------------------------------------------------------------
発行者 江間淳(EMA Atsushi)
mm@a-ema.com http://www.a-ema.com/k/ https://twitter.com/A_EMA_RYU
------------------------------------------------------------------------
無断転載・引用を禁じます。
=========================== お知らせ３ ===============================
５万人以上の利用実績がある勉強アプリ。英語・数学・化学など。
★印のものはGooglePlayでも公開中です。「江間淳」で検索してみてくださいね！
★【高校数学】読むだけでわかる！数学１Ａの考え方
http://pmana.jp/pc/pm586.html
【高校数学】読むだけでわかる！数学２Ｂの考え方
http://pmana.jp/pc/pm743.html
【高校数学】読むだけでわかる！数学３の考え方
http://pmana.jp/pc/pm730.html
★【高校英語】センター試験徹底トレーニング
http://pmana.jp/pc/pm588.html
★【高校化学】読むだけでわかる！理論・無機・有機化学の考え方
http://pmana.jp/pc/pm603.html
【高校物理】読むだけでわかる！物理基礎・物理の考え方
http://pmana.jp/pc/pm729.html
【中学５科】高校入試の重要ポイント
http://pmana.jp/pc/pm707.html
☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★
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まずはお気軽に「無料体験レッスン」から！
☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★
【高校英語】共通テストの英文解釈
http://www.mag2.com/m/0001641009.html
■ 問題
平成29年試行テストより
第６問
You are writing a review of the story. "Oscar's Camp Canyon Experience,"
in class.
[Oscar's Camp Canyon Experience]
Twelve-year-old Oscar has just finished a wonderful week at Camp Canyon.
He had the time of his life--making new friends, developing new skills, and
discovering a love for science among many other things. And Oscar learned
an important lesson: Sometimes, when faced with a difficult situation, it's
best just to let it go. He learned, too, that things are not always what
they seem.
Camp Canyon is a summer camp for boys and girls from eight to sixteen.
In the U.S., there are many kinds of camps. Often, kids focus on particular
skills or learn values from religious books and traditions. Camp Canyon,
though, is different. Its main aim is for the kids to discover for
themselves how to deal with difficult situations using ideas based on the
importance of communication and mutual respect. During their week at the
camp, the kids develop their powers of judgment and sense of right and
wrong--all while having fun swimming, playing games, and doing hands-on
science and nature projects.
This was Oscar's second summer at Camp Canyon, and he enjoyed showing
newcomers around. On the first day, he introduced himself to Dylan, a boy
of his age attending the camp for the first time. Oscar spent a lot of time
helping Dylan get used to his new circumstances, and they quickly became
friends. The both enjoyed playing video games and climbing trees, and at
the camp they discovered a shared love of Gaga Ball, a form of dodgeball.
Oscar and Dylan played Gaga Ball until they were exhausted, throwing the
ball at the other kids and screaming with laughter. Afterward, sitting on
their bunk beds, they would talk for hours about their home and school
lives, and how much they were enjoying Camp Canyon.
One of the other campers was a boy named Cristopher. Initially,
Christopher seemed like a well-behaved, fun-loving boy. Oscar couldn't wait
to get to know him. However, it wasn't long before Christopher's behavior
started to change. He didn't bother to make his bed. He left games and
other belongings lying around on the floor. He was inconsiderate and
self-centered. And he was mean, as Oscar and Dylan soon found out.
"Dylan didn't brush his teeth. And he's smelly! He didn't take a shower
today," shouted Christopher at breakfast, making sure all the other kids
could hear.
Oscar and Dylan were shocked to hear Christopher's comments. Oscar had
always tried his hardest to make everyone feel welcome. Christopher seemed
to take great delight in saying things that upset the other two boys. He
even pushed in front of Oscar when they were lining up for lunch. He just
laughed when Oscar angrily protested.
Oscar consulted the camp counselor about their problems with Christopher.
She gave Christopher a strong warning, but, if anything, his behavior got
worse. The other kids just kept out of his way, determined not to let
anything spoil their fun activities at camp.
One of these activities was a discussion session with a science teacher.
Although Oscar had shown little interest in science at school, this was
particularly fascinated to learn about reflected light and how we see
certain colors. A red object, for example, absorbs every color of the
rainbow, but reflects only red light to our eyes.
"So," Oscar reported breathlessly to Dylan, "a red object is actually
every color EXCEPT red--which is reflected! Isn't that amazing? I just
love science!" Things, he had come to realize, are not always what they
seem.
The campers also discussed ethics and the rules that would be best for
the group as they experienced their week together. Whenever there was a
disagreement, they stopped to consider what might be the right or wrong
thing to do according to each situation. In this way, they learned to
function together as a harmonious group.
Through these discussions, Oscar learned that there is not always an
obvious solution to a problem. Sometimes, as with the case of
Christopher's bad behavior, the answer might just be to let it go. Oscar
realized that getting upset wasn't going to change anything, and that the
best way to resolve the situation without drama would be to walk away from
it. He and Dylan stayed calm, and stopped reacting to Christopher's
insults. This seemed to work. Soon, Christopher lost interest in bothering
the boys.
The end of the week came far too quickly for Oscar. His memories of the
camp were still fresh when, a few days after returning home, he received a
postcard from Christopher.
Dear Oscar,
I'm really sorry for the way I behaved at camp. You and Dylan seemed to
be having so much fun! I felt left out, because I'm not very good at
sports. Later, when you stopped paying attention to my bad behavior, I
realized how silly I was being. I wanted to apologize then, but was too
embarrassed. Are you going to the camp again next year? I'll be there, and
I hope we can be friends!
So long,
Christopher
Yes, thought Oscar, when he had recovered from his surprise, with
Christopher, he had been right to let it go. Putting down the postcard, he
remembered something else he had learned at camp: Sometimes, things are not
what they seem.
Complete the review by filling in [ 34 ] to [ 38 ].
img
Oscar's second time at Camp Canyon started with him welcoming newcomers.
[34]
{1} All the camp participants quickly became good friends.
{2} Most campers stopped enjoying the fun activities.
{3} One of the campers surprisingly changed his attitude.
{4} The camp counselor managed to solve a serious problem.
[35]
{1} Christopher continued to behave very badly.
{2} Dylan could understand how light is reflected.
{3} Oscar played a leading role in group discussions.
{4} The counselor reconsidered her view point.
Oscar applied what he had learned at camp to find a solution to the problem.
Oscar was active and sociable.
Christopher might have seemed unfriendly, but actually he was [36].
{1} just unhappy because he was unable to take part in all the activities.
{2} probably nervous as he was staying away from home for the first time
{3} smarter than most campers since he tried to hide his honest opinions
{4} thoughtful enough to have brought games to share with his friends
I don't think Oscar really knew how to deal with the problem. All he did
was [ 37 ]. He was lucky Christopher's behavior didn't get worse.
{1} avoid a difficult situation
{2} discuss ethics and rules
{3} embarrass the others
{4} try to be even friendlier
問４
This story would most likely appeal to ...
Readers who want to [ 38 ]
{1} get detailed information about summer outdoor activities
{2} read a moving story about kids success in various sports
{3} remember their own childhood experiences with friends
{4} understand the relationship between children and adults
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
=========================== お知らせ１ ===============================
茨城県水戸市、常陸太田市、東海村の個別指導教室
「ＡＥ個別学習室(えまじゅく)」では、生徒募集をしています。
１クラス４人までの少人数で、経験豊富なプロ講師の授業が受けられます。
女性講師も指定可能です。対象は小学生～高校生・浪人生。社会人も歓迎します！
ご自分でお子さんを指導したい親御さんへの個別セミナーも行います。
東海村教室では、全国大会経験者による指導が受けられる卓球教室の生徒も
同時募集しています。
福利厚生サービスの「リロクラブ」会員様には優待があります。
興味をお持ちの方は、まずは mm@a-ema.com までお問い合わせください。
家庭教師・塾のサイトと連絡先はここ → http://www.a-ema.com/
□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□
『とにかく早い者勝ちっ！』
ドメイン取るならお名前.com
https://px.a8.net/svt/ejp?a8mat=35Q4JW+76ZKXE+50+2HEVMR
□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□
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■ スラッシュリーディング
You are writing / a review / of the story,
"Oscar's Camp Canyon Experience," / in class.
あなたは書いている / レビューを / その物語の
/ "Oscar's Camp Canyon Experience" / 授業で
[Oscar's Camp Canyon Experience]
Twelve-year-old Oscar / has just finished / a wonderful week
/ at Camp Canyon.
１２歳のOscarは / 終えたところだ / ある素晴らしい１週間を
/ Camp Canyonでの
(以下略)
(有料版では、解説の続きも掲載しています)
http://www.mag2.com/m/0001641009.html
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
=========================== お知らせ２ ===============================
ブログにて様々な問題を解説しています！
■ センター数学を理由の理由まで解説するブログ
http://centermath.seesaa.net/
■ センター英語をひとつひとつ解説するブログ
http://a-emaenglish.seesaa.net/
■ 何でも解説するブログ(塾＆家庭教師ブログ)
http://a-ema.seesaa.net/
紙の書籍、電子書籍もご利用ください。
中学・高校の英語・数学の書籍を出版しています。
★江間淳(えまあつし)の書籍一覧 → http://amzn.to/2lnKZdS
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解説の続きは、本日21時配信予定の
【高校英語】共通テストの英文解釈
http://www.mag2.com/m/0001641009.html
に掲載します！
全て長文問題になった大学入試共通テスト。今まで以上に読解力が求められます。
翻訳も行っている著者が、スラッシュリーディング、全文訳とともに解説します。
月・水・土配信。\550/月。初月無料です。
ブログにもメルマガの記事を分割して掲載しています。
■ 共通テスト・センター英語をひとつひとつ解説するブログ
http://a-emaenglish.seesaa.net/
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
------------------------------------------------------------------------
発行者 江間淳(EMA Atsushi)
mm@a-ema.com http://www.a-ema.com/k/ https://twitter.com/A_EMA_RYU
------------------------------------------------------------------------
無断転載・引用を禁じます。
=========================== お知らせ３ ===============================
５万人以上の利用実績がある勉強アプリ。英語・数学・化学など。
★印のものはGooglePlayでも公開中です。「江間淳」で検索してみてくださいね！
★【高校数学】読むだけでわかる！数学１Ａの考え方
http://pmana.jp/pc/pm586.html
【高校数学】読むだけでわかる！数学２Ｂの考え方
http://pmana.jp/pc/pm743.html
【高校数学】読むだけでわかる！数学３の考え方
http://pmana.jp/pc/pm730.html
★【高校英語】センター試験徹底トレーニング
http://pmana.jp/pc/pm588.html
★【高校化学】読むだけでわかる！理論・無機・有機化学の考え方
http://pmana.jp/pc/pm603.html
【高校物理】読むだけでわかる！物理基礎・物理の考え方
http://pmana.jp/pc/pm729.html
【中学５科】高校入試の重要ポイント
http://pmana.jp/pc/pm707.html
☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★
オンラインで学ぶ「高品質」ビジネス英会話 Bizmates（ビズメイツ）
https://px.a8.net/svt/ejp?a8mat=35QFIF+22F7EA+2QEI+61RIB
まずはお気軽に「無料体験レッスン」から！
☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★
ラベル：英語
高校化学(用語)「アミノ酸」
高校化学(用語)「アミノ酸」
★アミノ酸(amino acid)
・同一の分子に、アミノ基－ＮＨ2とカルボキシ基－ＣＯＯＨを持つ有機化合物。
・ほとんどのアミノ酸は、アミノ基とカルボキシ基が同一の炭素原子に結合したα－アミノ酸。
Ｒ
｜
Ｈ2Ｎ－Ｃ－ＣＯＯＨ
｜
Ｈ
・Ｒの部分の構造次第で性質や名称が異なる。
・グリシン以外は不斉炭素原子をもつ。
・結晶中では双性イオンの形で存在し、水溶液中では陽イオン、双性イオン、陰イオンが共存する。
・体内で合成できず、食物からの摂取が必要なα－アミノ酸を特に必須アミノ酸という。
↓↓有機化学を含むいわゆる「発展化学」を短期間でおさらいするのにおすすめです！↓↓
短期攻略 大学入学共通テスト 化学
◆関連項目
タンパク質
高分子化合物
江間淳の書籍はこちら
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
20年以上の実績。全学年、英・数・理をはじめ全教科対応
最高級の指導を提供します！メール添削も好評です！
プロ家庭教師の江間です。 ＡＥ個別学習室(えまじゅく)
http://www.a-ema.com/k/ http://www.a-ema.com/j/
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
★アミノ酸(amino acid)
・同一の分子に、アミノ基－ＮＨ2とカルボキシ基－ＣＯＯＨを持つ有機化合物。
・ほとんどのアミノ酸は、アミノ基とカルボキシ基が同一の炭素原子に結合したα－アミノ酸。
Ｒ
｜
Ｈ2Ｎ－Ｃ－ＣＯＯＨ
｜
Ｈ
・Ｒの部分の構造次第で性質や名称が異なる。
・グリシン以外は不斉炭素原子をもつ。
・結晶中では双性イオンの形で存在し、水溶液中では陽イオン、双性イオン、陰イオンが共存する。
・体内で合成できず、食物からの摂取が必要なα－アミノ酸を特に必須アミノ酸という。
↓↓有機化学を含むいわゆる「発展化学」を短期間でおさらいするのにおすすめです！↓↓
短期攻略 大学入学共通テスト 化学
◆関連項目
タンパク質
高分子化合物
江間淳の書籍はこちら
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
20年以上の実績。全学年、英・数・理をはじめ全教科対応
最高級の指導を提供します！メール添削も好評です！
プロ家庭教師の江間です。 ＡＥ個別学習室(えまじゅく)
http://www.a-ema.com/k/ http://www.a-ema.com/j/
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
こんなヤツです
年齢:41
職業:プロ家庭教師、ＡＥ個別学習室(えまじゅく)代表、翻訳者
ウェブサイトURL:http://www.a-ema.com/
メールアドレス:j@a-ema.com
一言:アプリ、メルマガ、電子書籍提供中です。アマゾンやGooglePlayで「江間淳」で検索！
江間淳の書籍一覧 → http://amzn.to/2m9LTvN
