Which of the following will trigger triglyceride biosynthesis from glucose? O a low ratio of ATP:AMP epinephrine insulin O glucagon Question bed Text All of the following statement are correct for enzymes, EXCEPT... enzymes speed up chemical reactions by lowering energy of activation enzymes are catalysts, favoring the direction of chemical reactions enzymes alters equilibrium constant of the reaction which they catalyze enzymes decrease the activation energy for none-enzymatic reactions Catabolic reactions are... useful for conversion of monomers to polymers oxidative reactions in nature because carbons in substrates, carbohydrates, lipids, and proteins are in a partial or highly reduced state endergonic useful for building macromolecules from simple substrates

Which of the following will trigger triglyceride biosynthesis from glucose? O a low ratio of ATP:AMP epinephrine insulin O glucagon Question bed Text All of the following statement are correct for enzymes, EXCEPT... enzymes speed up chemical reactions by lowering energy of activation enzymes are catalysts, favoring the direction of chemical reactions enzymes alters equilibrium constant of the reaction which they catalyze enzymes decrease the activation energy for none-enzymatic reactions Catabolic reactions are... useful for conversion of monomers to polymers oxidative reactions in nature because carbons in substrates, carbohydrates, lipids, and proteins are in a partial or highly reduced state endergonic useful for building macromolecules from simple substrates

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Consider these compounds: A. Ba3(PO4)2 B. Ca3(PO4)2 C. PbCrO4 D. CaCrO4 Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine that barium sulfite is more soluble than _________, and barium sulfite is less soluble than ______ It is not possible to determine whether barium sulfite is more or less soluble than _________ by simply comparing Ksp values
Silicon tetrachloride (SICI4 ) can be prepared by heating Si in chlorine gas: Si(s) + 2C12(g) -> SiCl2(1) In one reaction, 0.507 mole of SiCI4 is produced. What mass (grams) of molecular chlorine were used in the reaction? Choose the nearest answer. MW SICI4 = 169.9 g/mol; MW CI = 35.453 g/mol (A) 36 grams (B) 72 grams 27 grams D) 63 grams
A 235.2-g sample of ground water is analyzed for calcium. The Ca2+ in the sample is first precipitated and filtered-off as NH4CaPO4·7H2O. This precipitate is dried and heated, releasing water and ammonia to yield anhydrous calcium pyrophosphate (Ca2P2O7). The mass of Ca2P2O7 obtained is 0.0234 g.Give the calcium content of the ground water in parts per million (to three significant figures).
What mass of Cu(IO3)2 can be formed from 0.650 g of CuSO4 · 5H2O? What mass of KIO3 is needed to convert the copper in 0.2750 g of CUSO4 - 5H2O to Cu(IO3)2?
Calculate the mass of silver bromide produced from 23.2 g of magnesium bromide in the following reaction: 2AGNO;(aq) + MgBr,(aq) - 2AgBr(s) + Mg(NO)2(aq)
4. Na2CO3(aq) + MgCL2(q)
The metal has a molar mass of 206.77 gmol and crystallizes in a body centered lattice and has a density of 14.1 gcm3. The edge length of this cube is [word1] pm. (1 pm = 1 x 10-10 cm)
no explanation needed, short answers appreciated
3. 4. Is the periodic table useful to you as a student? Justify your answer. If you were to create a simple product using metals, nonmetals, and metalloids, what would your product be like? Sketch the design and composition of your product. Then, briefly explain what properties of each material are utilized in each part of the product.
Q3: A: What mass of AgNO; is needed to convert 3.46g of NacCO; to Ag:CO, and calculate the mass of Ag:CO, will be formed? Discuss your results. 2AgNOp +Na:CO Ag:COxe + 2NaNos
3) A mineral of calcium with the formula CaCO3¤Ca(OH)2 was analyzed by heating in a crucible, and the following data was collected: Mass of empty crucible Mass of crucible and sample Mass of crucible + CaO (final heating) 23.45 g 26.12 g 25.18 g Mass of CaO: Mass of Ca in CaO (exp.): Show calculations below: % of Ca in mineral sample (exp.):
A 14.599 g14.599 g sample of CaCl2CaCl2 was added to 12.147 g12.147 g of K2CO3K2CO3 and mixed in water. A 3.571 g3.571 g yield of CaCO3CaCO3 was obtained. What is the limiting reagent? CaCO3CaCO3 K2CO3K2CO3 CaCl2CaCl2 Calculate the percent yield of CaCO3.CaCO3. yield of CaCO3=CaCO3=