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1、糖类、脂质分别由哪几种元素组成化学元素？糖类、脂质分别由哪几种元素组成化学元素？在细胞中的含量怎样？在细胞中的含量怎样？糖类：C、H、O 和核酸共占和核酸共占1.0%1.5%1.0%1.5%脂质：主要是脂质：主要是C C、H H、OO（有些含（有些含N N、P P）占 占1%2%1%2%蛋白质的组成元素有哪些？在细胞中的含量又如何？蛋白质的组成元素有哪些？在细胞中的含量又如何？蛋白质：主要由C、H、O、N四种，也含 有P、S及一些微量元素。占细胞干重的 50%以上。Evaluation only.Evaluation only. Created with Aspose.Slides for .
2、NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5
3、 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.比较下列两种物质相对分子质量：蛋白质的相对分子质量很大，是一种高蛋白质的相对分子质量很大，是一种高 分子化合物，为生物大分子。分子化合物，为生物大分子。H2O（水）C3032H4816O872N280 S8Fe4 （血红红蛋白）18 64500Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Pro
4、file 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.
5、2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.无论蛋白质的分子质量多大，结构多复杂，但各种蛋白质无论蛋白质的分子质量多大，结构多复杂，但各种蛋白质 的基本单位都是氨基酸，构成蛋白质的氨基酸有的基本单位都是氨基酸，构成蛋白质的氨基酸有2020多种。多种。观察比较这几种观察比较这几种 氨基酸的结构式氨基酸的结构式 ，它们在结构上，它们在结构上 有什么相同点和有什么相同点和 不同点？不同点？H HCCOOHNH2甘氨酸CH3 HCCOOHNH2丙氨酸 SHCH2HCCOOHNH2半胱氨酸H H
6、| | 氨基酸结构通式氨基酸结构通式：RRC CCOOHCOOH| |NH2 NH2Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation o
7、nly. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.H H| | 氨基酸结构通式氨基酸结构通式：RRC CCOOHCOOH| |NH2 NH2其中其中-NH-NH2 2称为氨基称为氨基，-COOH-COOH称为羧基称为羧基，至少要有一个氨基和羧基至
8、少要有一个氨基和羧基连接在同一个碳原连接在同一个碳原 子上子上。R R基为判别基因基为判别基因，约有，约有2020种生物的氨基酸。种生物的氨基酸。Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty L
9、td.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.课堂检测一课堂检测一下列哪个不是构成蛋白质的氨基酸（ ）下列哪个不是构成蛋白质的氨基酸（ ）A A、NHNH2 2CHCOOHCHCO
10、OH| |R R B B、NHNH2 2CHCH2 2COOHCOOHC C、NHNH2 2CHOHCHOH| |COOH COOH D D、NHNH2 2CHCH2 2CHCH2 2CHCH2 2COOHCOOHEvaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Lt
11、d.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only.
12、Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created
13、 with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.氨基酸数氨基酸数脱去的水分子数脱去的水分子数肽键数肽键数肽链数肽链数Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Cli
14、ent Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004
15、-2011 Aspose Pty Ltd.由两个氨基酸分子缩合而成 的叫二肽。 由3个或3个氨基酸分子缩合 而成的，含有多个肽链的化 合物，叫多肽。 肽链通过一定的化学键互相 连接在一起。这些肽链不呈 直线，也不在同一个平面上 ，而是形成非常复杂的空间 结构。肽链是没有生物活性的，肽链是没有生物活性的， 当肽链按不同形式折叠和当肽链按不同形式折叠和 盘曲形成具一定空间结构盘曲形成具一定空间结构 的蛋白质分子才表现出的蛋白质分子才表现出 生物活性。生物活性。Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3
16、.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.脱水缩合 盘曲折叠 氨基酸
