Protein is found in almost every cell of the body. The primary structure of a protein is made up of a chain of amino acids. Protein is required in the... Learn more about this topic: Proteins & Amino Acids | Importance...
4. We should keep in mind that protein is a(n) ___ ingredient in our diet.A disposableB capableC avoidableD essential 相关知识点: 试题来源: 解析 D essential 蛋白质是人体必需的营养物质,对维持生命活动至关重要。因此,蛋白质在我们饮食中是不可或缺的,即“essential”。 所以正确答案为 D ess...
of a protein that is causing the illness.Usually , it takes years for scientists to learn how one simple protein folds.In fact , this complex problem has challenged scientists for 50 years.Now a research lab DeepMind's artificial intelligence(AI) has shown that it can often do that same ...
The cell wall of a plant cell is mainly made up of___. A. cellulose B. protein C. lipid D. starch 相关知识点: 试题来源: 解析 A。植物细胞的细胞壁主要由纤维素组成。选项 B,蛋白质不是细胞壁的主要成分;选项 C,脂质不是细胞壁的成分;选项 D,淀粉主要存在于细胞内储存能量。反馈...
The protein is of low quality 相关知识点: 试题来源: 解析 C。解析:“high - protein”表示高蛋白,意味着食物中有大量的蛋白质。A选项少量蛋白质不符合;B选项无蛋白质错误;D选项蛋白质质量低与“high - protein”表达的蛋白质含量概念无关。 答案:C。解析:“high - protein”表示高蛋白,意味着食物中有...
Which of the following is a good source of protein? A. Apples B. Eggs C. Bread D. Potatoes 相关知识点: 试题来源: 解析 B。解析:Eggs(鸡蛋)是优质蛋白质的良好来源。Apples(苹果)主要提供维生素和纤维素。Bread(面包)主要提供碳水化合物。Potatoes(土豆)主要提供碳水化合物和少量其他营养物质。
(1)推理判断题。根据第一段A protein is a large,complex macromolecule composed of one or more long chains of amino acids (氨基酸).Present in and vital to every living cell,proteins are essential for the structure,function,and regulation of the body
___ is a good source of protein. A. Coke B. Potato C. Fish D. Cake 相关知识点: 试题来源: 解析 C。解析:A 选项 Coke(可乐)是饮料,不含蛋白质;B 选项 potato(土豆)主要含碳水化合物;D 选项 cake(蛋糕)含糖和脂肪多。C 选项 fish(鱼)是优质蛋白质来源。反馈 ...
解析 C。解析:本题考查蛋白质的食物来源。选项A“Eggs”(鸡蛋)是优质蛋白质的来源。选项B“Tofu”(豆腐)含有丰富的植物蛋白。选项C“Potatoes”(土豆)主要含有碳水化合物和一些维生素等,不是良好的蛋白质来源,符合题意。选项D“Fish”(鱼)富含优质蛋白质。
___ is a good source of protein. A. Rice B. Potato C. Egg D. Candy 相关知识点: 试题来源: 解析 C。解析:本题考查健康饮食中食物的营养成分知识。蛋白质是人体必需的营养成分,“egg”(鸡蛋)是很好的蛋白质来源。“rice”(大米)主要提供碳水化合物;“potato”(土豆)主要提供碳水化合物;“candy...