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Portage_Learning_Chem_210___Module_2_Problem with Answers
What is the shape of water? Bent. The bond angle is 104.5 degrees. What is autoionization, and how is it important for water? Autoionization is the ability of a compound to react with itself to form ions. One water molecule reacts with a second molecule to form two ions: H3O+ and OH-. These ions exist in small amounts in pure water and influence the chemistry of water. Name the three non-covalent forces discussed in this module. 1. Dipole-dipole forces, 2. Hydrogen bonding, and 3. London di...
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Portage_Learning_Chem_210___FINAL_exam with Answers
PopularTrue or False: Nitrogen is called the superglue of the chemical world. FALSE True or False: Large elements, such as strontium, are common in biomolecules. FALSE True or False: The time it takes for a compound to flow through a metabolic pathway is called the payoff phase. FALSE True or False: Proteins, carbohydrates, and fats all get broken down into acetyl-CoA. TRUE True or False: A fat is a lipid molecule that is a solid at room temperature. TRUE Question 6 3 / 3 pts In DNA, guanine al...
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Portage_Learning_Chem_210 All modules Exams and problems with Correct Answers
What are three ways that biochemists study biological organisms? Biochemists study 1) the relationship between structure and function ofbiomolecules, 2) chemical reactions of organisms (metabolism) 3) 3) communication within and among organisms. Question 2 0 / 0 pts What is the definition of biochemistry? Often referred to as the chemistry of life,
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Portage_Learning_Chem_210___Module_7_Problem with Answers
A scientist uses the term flux regarding a biochemical pathway. What does flux mean? Flux is the rate of flow through a biochemical pathway. Question 2 0 / 0 pts A particular pathway breaks down proteins into amino acids. Is this an anabolic or a catabolic pathway? Catabolic. This is degradation of a molecule. Question 3 0 / 0 pts The acetyl group is connected to CoA to make Acetyl-CoA. A) What specific atom of CoA connects to the carbon atom on the acetyl group? B) What nucleotide base ...
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