What is the organic molecule possessing both carboxyl and amino groups that serves as the monomers of polypeptides? The molecule diagramed here is a: A. Carbohydrate B. Lipid C. Protein What organic compounds are present in the cell that aren't one of the four m...
What Is Molecule? - According to Encyclopedia Britannica, A Molecule is a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance. ...
Molecule C. Cell D. Organ 相关知识点: 试题来源: 解析 A。解析:原子(Atom)是物质的最小单位。分子(Molecule)由原子组成;细胞(Cell)是生物体的基本结构和功能单位;器官(Organ)是由细胞和组织构成的。从语法上这是关于物质基本单位的特殊疑问句,选项为不同物质或生物结构名称。
What is the smallest unit of life? A. The atom B. The molecule C. The cell D. The organ 相关知识点: 试题来源: 解析 C。解析:细胞是生命的最小单位。原子和分子不是生命单位,A、B 错误;器官由细胞组成,不是最小单位,D 错误。反馈 收藏 ...
What is the smallest unit of matter? A. Atom B. Molecule C. Electron D. Proton 相关知识点: 试题来源: 解析 A。本题考查对物质最小单位的了解,原子是物质的最小单位。B 选项分子不是最小单位;C 选项电子是原子的组成部分;D 选项质子也是原子的组成部分。
1873, James Maxwell defined atom and molecule: "An atom is a body which cannot be cut in two; a molecule is the smallest possible portion of a particular substance." Since molecules were named before their true nature was discovered, it led to what is now an inexact and debated definition...
What is the basic unit of life? A. Atom. B. Molecule. C. Cell. D. Organ. 相关知识点: 试题来源: 解析 C。生命的基本单位是细胞,所以答案是 C。A 选项原子是物质的基本单位;B 选项分子是由原子组成的;D 选项器官是由不同组织组成的。
MEL - What is a Molecule? Lesson Overview Standards Overview Students will learn how to draw particle models of molecules. Lesson Plan What is a Molecule Draft PDF
Question: What is the name of this molecule?A:B:C:D: What is the name of this molecule? There are 4 steps to solve this one.
A molecule is a group of two or more atoms joined by chemical bonds, whereas a compound is a substance formed by the chemical bonding of more than one type of element that exists in a fixed proportion.