What is ICH? 2. Give the purpose of ICH.

Which of the following factors primarily dictates the distribution of terrestrial biomes on Earth? The history of human development and civilization ㅎㅎㅎ The population density of animals Climate variables like temperature and precipitation The prevalence of certain rock and soil types

1. LIAIH4 2. H20 of 1. (CH3CH2)2CuLi 2. H20, H* 1. CO2 2. НаО, Н* `MgBr

1. Propose a synthetic route from the starting material to the product. Show each individual reaction step and all intermediate products. Assume acidic workups occur if needed. Starting Material Product a. b. Hint: Number the carbons in your starting material and your product. Starting Material Product a-an c. Hint: Pay attention to stereochemistry. Starting Material Product 4

Which of the following is a general guiding principle behind modern biochemistry? Select one: O a. Monomers form dimers form polymers O b. Biological molecules only incorporate carbon, hydrogen and oxygen O c. Biological molecules always take straight-chain forms O d. Monosaccharides of all types move freely in and around all living cells e Carbon-based molecules are uniquely make-able by living things O e. Previous page Quiz navigation Time left 1:34:45 OL O O LO DELL

Ammonia must be eliminated from wastewater before it can be reused, recycled, or discharged. Describe the three major steps that are used to convert harmful ammonia into a harmless derivative. Your answer must be specific and include any appropriate chemical formulas or names of chemical or biological reagents. Mention, when appropriate, the toxicity of any of the components or how their production can get in the way of efficiently eliminating ammonia from wastewater.

Amino acids are synthesized by plants to store nitrogen. True or false.