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。
An atom is the smallest unit of an element retaining its properties, while a molecule consists of two or more atoms bonded together.
What is the difference between a molecule and an atom? How does the energy in the third shell of an atom compare to the energy of an electron in the first shell of the same atom? How does the energy on the third shell of an atom compare to the energy of an elect...
What is an atom in a molecule? J Phys Chem A The derivation of the Hirshfeld atoms in molecules from information theory is clarified. The importance for chemistry of the concept of atoms in molecules (AIM) is stressed, and it is argued that this concept, while highly useful, consti... ...
An atom is the smallest possible unit of an element. Atoms are considered to be the basic building blocks of matter because they cannot be divided into smaller particles by any chemical process. Atoms are considered to be the basic building blocks of matter because they cannot be divided into...
The arrangement of atoms within a molecule is called the molecular structure. The molecular structure varies depending upon which atoms are in the... Learn more about this topic: Fats | Definition, Structure & Function from Chapter 5/ Lesson 1 ...
What holds the {eq}N {/eq} atom to the {eq}H {/eq} atom in a molecule of ammonia, {eq}NH_4 {/eq}? (a) ionic bond (b) polar bond (c) H bond (d) nonpolar bond (e) dipole dipole Chemical Bonds: Some...
This year we saw a surge of geometric techniques in the context of graph neural networks, such as equivariant message passing that prove itself crucial in biochemical applications from small molecule property prediction to protein folding. Image from Satorras et al. [5]. Melanie doubled down on...
at least two different types of molecules,or at least one type of atomandat least one type of molecule. Mixturescan be formed from the intermingling of their constituents inany ratios or proportions(unlike compounds, which are formed fromspecific ratiosof amounts of other elements). ...
Magnesium ions are central to the chlorophyll molecule in plants. 10 Magnesium Atom It is electrically neutral with an equal number of protons and electrons. Each Magnesium atom in the metal lattice is electrically neutral. 7 Magnesium Ion Magnesium Ions have a stable electronic configuration. The ...