A. They are composed of lipids. B. They speed up chemical reactions without being consumed. C. They are always composed of proteins. D. They slow down chemical reactions. E. They are only active at high temperatures. 相关知识点: 试题...
7 Which statement describes the effect of temperature on enzymes? A High temperatures denature enzymes making it difficult for substrate molecules to fit into the active site. B High temperatures denature enzymes making it easy for substrate molecules to fit into the active site. C Low temperatures...
声明: 本网站大部分资源来源于用户创建编辑，上传，机构合作，自有兼职答题团队，如有侵犯了你的权益，请发送邮箱到feedback@deepthink.net.cn 本网站将在三个工作日内移除相关内容,刷刷题对内容所造成的任何后果不承担法律上的任何义务或责任
Part A Which statement about enzymes is FALSE? Enzymes may use coenzymes derived from vitamins or cofactors from metallic elements. The shape of the active site on an enzyme is not influenced by the substrate. Most enzymes can catalyze millions of ...
Which statement about NAD and NADH is TRUE?A. NADH inhibits the pyruvate dehydrogenase complex. B. NAD+ is oxidized to NADH by the α-ketoglutarate dehydrogenase complex. C. NAD+ is a coenzyme for two of the enzymes in the pyruvate dehydrogenase complex. D. NAD+ is oxidized to NADH by ...
2. Which statement isTRUEabout the bacteria? A.Bacteria can be seen with our eyes directly. B.Bacteria can’t be used to break down plastic. C.Enzymes help bacteria change chemicals in plastic. 3. From Paragraph 3, we can know ___. A.most...
The C(2) glycolate cycle is also known as 03:00 Carotenoids are 01:14 Consider the following statement: - 1. PEP carboxylase has a high spe... 02:35 Consider the following statements A. The chloroplast pigments are fa... 02:24 Which of the following statements is true for photosynthesis...
d.A and C are both true e.B and C are both true Why is the answer you chose correct? Why are the other choices incorrect? 4.Which event contradicts the central dogma of molecular biology? a.Poly-A polymerase enzymes process ...
Enzymes: Enzymes are biological catalysts that are typically composed of protein. They speed up chemical reactions in the cell by lowering the activation energy of the reaction. Answer and Explanation: The answer is B. Helicase is an enzyme that unwinds the DNA double he...
Learn about DNA replication enzymes and how DNA replicates. Discover what enzymes are used in DNA replication, and the order of enzymes involved in DNA replication. Related to this Question What is the role of RNA polymerase in transcription? A) RNA...