1、 问题:Which of the following is a prefix? 选项: A:–al B:–tion C:bi- D:form 答案: 【bi-】 2、 问题:Which of the following is a root? 选项: A:hex- B:tri- C:un- D:happy 答案: 【happy】 3、 问题:What is “bilingual education”? 选项: A:母语教育 B:双语教育 C:三语...
In DNA, the sugar is deoxyribose, which is a five carbon sugar molecule that lacks the hydroxyl group (-OH) normally present in the ribose sugar molecule. With RNA, the sugar molecule is ribose, and the nucleosides are generally named without the 'deoxy' prefix. A complete nucleotide ...
Which is the common SI mass unit used in Chemistry? Write the following measurement without scientific notation using the appropriate SI prefix. d) 8.93\times10^{-12}\ g Write the following measurement, without scientific notation, using the appropriate SI prefix. \rm 6.05\times10^3\ m ...
Is the YouTube TV Subscription Trial Worth It? A Comprehensive Review YouTube TV has quickly become a popular choice for cord-cutters who still want access to live TV channels. Business & Finance How to Locate Reliable Oxygen Refill Services in Your Area Business & Finance Common Signs of...
The answer is“ Yes” , and it seems not so difficult. Now fold the square. What shape have you got?Do you think it's very interesting? (1) You usually learn the knowledge discussed in this passage in ___ classes. [ ] A. chemistry B. math C. history (2) Picture ...
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Okay. The prefix “ homo- ” means “ same ”. So a homogeneous mixture is the same throughout. It contains only one phase. So if you put alcohol in water, the two liquids combine. They disperse into each other. And you can't perceive any boundary between the two any longer. So th...
Subscripts are widely used in various fields. In mathematics, you might encounter subscripts when working with indices, such as in algebraic expressions, summations, or matrices. In chemistry, subscript is used to denote the number of atoms in a molecule, such as H₂O for water. In programm...
In chemistry and other fundamental science fields, a covalent bond is defined as a chemical bond wherein two or more atoms share one or more electron pairs. ... Etymology: from -co, meaning “together” and “valent”, “valence”, from Latin valentia, meaning “strength” or “capacity”...
Chemistry. n-, a lowercase prefix in chemistry denoting thestraight-chain form ofan open-chain compound in contrast to its branched isomer. N-, an uppercase prefix in chemistry denoting that the substituent is bonded to the nitrogen, as in amines. ...