• Sketchite
Sketchite

下列有关酶的叙述正确的是 A酶通过为反应物供能和降低活化能来提高化学反应速率b酶只能在细胞内起作用c酶对底物有严格的选择性d酶的 Template






Link:
sketch 4704 Slash
sketch 3626 Skream by Wellen Lima
sketch 1122 norooz
sketch 5040 Amy Winehouse by Timothy Palfreyman
sketch 4904
sketch 5157
sketch 4601 PSY Gentleman by Luis Daniel Sanchez Ramirez
sketch 20690

You need a modern browser try chrome, to view this.
Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com

sketch 4384
sketch 949 jbj
sketch 2197
sketch 933 mts
sketch 3383
sketch 5061
sketch 2987
sketch 4646 Panda by Raimundo Santos





Try and sketch some of theseBicycle, Vacuum, Steak, Swimming pool, Glasses, Shuffleboard, Princess, Razor, Tramway, Family, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?
view like
sketch #4831
anonymous
anonymous
sketch #4831

view like
sketch #2055 Flower
Raisa Mahmud
sketch #2055 Flower

view like
sketch #5079 SketchToy Pencil by Sarah Prieto
anonymous
anonymous
sketch #5079 SketchToy Pencil by Sarah Prieto

view like
sketch #5164
anonymous
anonymous
sketch #5164

view like
sketch #4053
anonymous
anonymous
sketch #4053

view like
sketch #1249
Laura Agapi Asnicar
sketch #1249

view like
sketch #4582 Pikachu by Mariana Sanchez Acevedo
anonymous
anonymous
sketch #4582 Pikachu by Mariana Sanchez Acevedo

view like
sketch #4649
anonymous
anonymous
sketch #4649

view like
sketch #1219
anonymous
anonymous
sketch #1219

view like
sketch #717
anonymous
anonymous
sketch #717

view like
sketch #2197
anonymous
anonymous
sketch #2197

view like
sketch #2787 Spongebob by ShopRasta Roots
ShopRasta Roots
sketch #2787 Spongebob by ShopRasta Roots

view like
sketch #1220
anonymous
anonymous
sketch #1220

view like
sketch #2464 Spongebob by sketchmaster
sketchmaster
sketch #2464 Spongebob by sketchmaster

view like
sketch #5281
anonymous
anonymous
sketch #5281

view like
sketch #4829
anonymous
anonymous
sketch #4829

view like
sketch #5289
anonymous
anonymous
sketch #5289

view like
sketch #3327 Megaman by Abdelwahab Haik
anonymous
anonymous
sketch #3327 Megaman by Abdelwahab Haik

view like
sketch #5263
anonymous
anonymous
sketch #5263

view like
sketch #5154
anonymous
anonymous
sketch #5154

view like
sketch #3042 Tobi by Mirnes Sinanovic
anonymous
anonymous
sketch #3042 Tobi by Mirnes Sinanovic

view like
sketch #2959 manga girl blue hair
anonymous
anonymous
sketch #2959 manga girl blue hair

view like
sketch #1260
anonymous
anonymous
sketch #1260

view like
sketch #5214 Crying with a Smile by Bill Kody
anonymous
anonymous
sketch #5214 Crying with a Smile by Bill Kody

view like
sketch #3484 Red Hot Chili Peppers by Nik Zulqarnain
anonymous
anonymous
sketch #3484 Red Hot Chili Peppers by Nik Zulqarnain

view like
sketch #3479
anonymous
anonymous
sketch #3479

view like
sketch #4881
anonymous
anonymous
sketch #4881

view like
sketch #5224
anonymous
anonymous
sketch #5224

view like
sketch #2598
sketchmaster
sketch #2598

view like
sketch #4691 Itachi by Jaqueline Salazar
anonymous
anonymous
sketch #4691 Itachi by Jaqueline Salazar

tomski下列有关酶的叙述正确的是 a酶通过为反应物供能和降低活化能来提高化学反应速率b酶只能在细胞内起作用c酶对底物有严格的选择性d酶的 coloring
view template
题目下列有关酶的叙述正确的是A 酶的基本组成单位是氨基酸和脱氧核糖核苷酸B 酶通过为反应物供能和降低活化能来提高化学反应速率C 在 sketch template
view template
题目下列关于酶的叙述正确的是A 由活细胞产生的酶在生物体外没有催化活性B 过酸或过碱均使酶的空间结构破坏而失去活性C 催化生化反应 sketch template
view template
下列有关酶的叙述正确的是A．所有酶用双缩脲试剂进行检验都可以现紫色反应 B．酶只能在活细胞中起作用 C．同一种酶可存在于形态结构不同的活 sketch template
view template
下列有关酶的叙述中正确的是 A．合成ATP与分解ATP的酶相同 B．酶只能在细胞内起催化作用 C．高温和低温都会使酶永久失活 D．酶 sketch template
view template
题目下列有关细胞中酶与ATP的叙述不正确的是A．剧烈运动消耗大量的ATP但 ATP/ADP的值相对稳定B．高温和低温均能破坏酶的结构使其 sketch template
view template
下列有关酶的叙述正确的是 A．一种酶只能催化一种底物的反应B．酶与底物结合后形状会生变化C．低温能降低酶活性的原因是破坏了酶的空间结构 sketch template
view template
题目下列有关酶的叙述正确的是A高温和低温均能影响酶的活性B酶的催化或加热都能加速过氧化氢的分解说明酶和加热都能降低活化能C因为酶 sketch template
view template
下列有关酶的叙述正确的是 A．RNA聚合酶的化学本质是蛋白质催化的反应物是RNAB．酶的合成场所是核糖体C．在探究温度对酶活性的影响 sketch template
view template
题目下列有关酶的叙述正确的是A 组成酶的单体是氨基酸或脱氧核苷酸B 冬季人体内酶的活性随环境温度的下降而降低C 底物充足其他 sketch template
view template
酶在酶促反应中能催化特定的底物反应这与酶的活性中心有关酶的活性中心往往与底物分子在空间结构上具有特殊的匹配关系当酶与底物结合时启动化学 sketch template
view template
题目下列关于酶的叙述正确的是A酶的化学本质都是蛋白质B酶的化学本质都是RNAC酶是有机催化剂D酶是无机催化剂 题目和参考答案 sketch template
view template
下列有关“探究酶的特性 系列实验的叙述中正确的是A．在“探究酶的高效性 实验中自变量是酶的种类B．在“探究酶的专一性 实验中自变量一定是 sketch template
view template
下列关于酶的叙述正确的是A．同一生物体内各种酶的催化反应条件都相同B．任何一个活细胞都能产生酶酶在细胞内才能起催化作用C．酶需要通过转录和 sketch template
view template
题目下列关于酶的叙述正确的是酶是活细胞产生的 酶都有消化功能 酶的本质是蛋白质酶具有专一性高效性 酶促反应与外界条件无关 sketch template
view template
题目下列有关酶的叙述中正确的是 A 酶的功能不仅仅为催化反应 B 细胞产生的酶都是在核糖体上合成的C 有酶参与的反应能释放出更 sketch template
view template
题目下列关于酶的叙述错误的是 A 酶的组成元素都为CHONB 酶是活细胞产生的具有催化作用的有机物C 酶催化效率高是因为 sketch template
view template
如图表示限制性内切酶切割某DNA分子的过程下列有关叙述不正确的是A该限制酶能识别的碱基序列是GAATTC切点在G和A之间B用此酶切割 sketch template
view template
据下图所示有关工具酶功能的叙述不正确的是 A切断a处的酶为限制性内切酶 B连接a处的酶为DNA连接酶 C切断b处的酶为解旋酶 D连接 sketch template
view template
下列关于酶的叙述正确的是 A．细胞代谢能够有条不紊地进行主要由酶的高效性决定B．对于一个细胞来说酶的种类和数量会生变化C．酶适宜于在 sketch template
view template
下列有关酶的叙述正确的结论有 酶的基本单位是氨基酸产生酶的细胞都有分泌功能酶是生物催化剂胃蛋白酶从pH=8到pH=2的变化 sketch template
view template
下列有关酶的叙述正确的是A．酶的基本组成单位是氨基酸或脱氧核苷酸B．酶为反应过程供能从而降低反应活化能C．酶在活细胞以外不具有催化活性D．酶 sketch template
view template
下列关于酶的叙述中正确的是 A．酶均是由活细胞合成的具有高效性和专一性 B．与光合作用有关的酶分布在类囊体薄膜上和叶绿体基质中 C．人体中 sketch template
view template
29．下列关于血浆的化学组成的叙述错误的是 A．各种无机盐中含量上占明显优势的是Na 和Cl 可用来维持血浆的渗透压 B．HCO3 sketch template
view template
12．下列有关酶的正确叙述是 酶分子在催化反应完成后立即被降解成氨基酸有的从食物中获得有的是体内转化而来凡是活细胞都能产生酶 sketch template
view template
下列有关酶的叙述正确的是A酶的基本组成单位是氨基酸和脱氧核糖核苷酸B酶能提供反应过程所必需的活化能C美国学家萨姆纳用多种方法证明脲酶是 sketch template
view template
题目下列与无机盐功能无关的是 A 细胞中的能源物质之一 B 维持细胞的形态C 维持生物体的生活动 D 某些化合物的组成成分 sketch template
view template
下列关于生物体内酶的叙述正确的是 A．低温能破坏酶的分子结构从而制酶的活性B．酶的合成可能只与转录过程直接相关C．酶能为化学反应提供 sketch template
view template
下列关于酶的叙述中正确的是 A．酶只能在细胞内挥作用B．细胞中绝大多数酶的合成场所是核糖体C．酶的数量会因参与化学反应而减D．所有酶 sketch template
view template
下列关于酶的叙述中正确的是 酶是活细胞产生的酶都有消化功能蛋白质都是酶酶具有多样性酶的活性与pH无关淀粉酶能促进淀粉水解．A sketch template
view template
下列关于DNA连接酶和DNA聚合酶的叙述中正确的是 A． 两者催化同一种化学键形成 B． 两者催化同一种化学键断裂 C． 两者都参与 sketch template
view template
下列有关酶的叙述正确的是 是有分泌功能的细胞产生的有的从食物中获得有的从体内转化而来凡是活细胞都能产生酶绝大多数酶是蛋白质有的酶 sketch template
view template
如图表示限制性内切酶切割某DNA分子的过程下列有关叙述不正确的是 A．该限制酶能识别的碱基序列是GAATTC切点在G和A之间 B．用此酶 sketch template
view template
下列有关酶的叙述正确的是 A酶通过为反应物供能和降低活化能来提高化学反应速率B酶只能在细胞内起作用C酶对底物有严格的选择性D酶的 sketch template
view template
下列有关酶的叙述正确的是 A酶通过为反应物供能和降低活化能来提高化学反应速率B酶只能在细胞内起作用C酶对底物有严格的选择性D酶的 sketch template
view template
下列有关酶的叙述正确的是 A．髙温和低温对酶空间结构的影响相同B．都可以被蛋白酶催化水解C．酶可以大幅度降低化学反应所需的活化能D．酶的 sketch template