Biological catalysts - Study guides, Class notes & Summaries

What type of reactions do organisms need to carry out to survive? - Answer Metabloic Reactions What is a catalyst? - Answer A chemical that speeds up the rate of reaction and remains unchanged and reusable at the end of the reaction What are biological catalysts for metabolic reactions? - Answer enzymes any molecule that can have a reaction catalaysed by an enzyme is called a ... - Answer Substrate What is an enzymes turn-over number? - Answer The number of substrates an en...

Chem 162 Final Exam Questions and Answers Latest Updated 2024/2025 (Graded A+) Chemistry definition correct answers Study of structure, properties, transformations of matter Matter correct answers Anything that has mass + takes up space Phases: solid, liquid, gas Condensed phases = solids + liquids Intermolecular Forces (IMF) correct answers = Interactions between molecules/atoms/ions Solution correct answers = Homogenous mixtures of 2+ pure substances In a solution, the solute is disperse...

Which organelle participates in the chemical processes that transfers energy from the chemical bonds of nutrient molecules to newly created ATP molecules? - mitochondria The body's main source of energy is _____________ and should be the major part of total daily food intake. - carbohydrates To be considered an essential nutrient, a substance must have all these characteristics except... (a) it has a specific biological function. (b) removal from the diet leads to a decline in human biolo...

Test Bank - Biochemistry: Concepts and Connections, 2nd Edition (Appling, 2019) Chapter 1-26 | All Chapters. Table of Contents Biochemistry and the Language of Chemistry The Chemical Foundation of Life: Weak Interactions in an Aqueous Environment The Energetics of Life Nucleic Acids Introduction to Proteins: The Primary Level of Protein Structure The Three-Dimensional Structure of Proteins Protein Function and Evolution Enzymes: Biological Catalysts Carbohydrates: Sugars, Saccharides, Glycans Li...

Altruistic behavior correct answers an action that benefits someone other than the actor, Artificial selection correct answers a process of selecting plants/ animals for desired traits, Autosomal genes correct answers all chromosomes other than X and Y Chromosomes correct answers Strands of genes Deoxyribonucleic Acid (DNA) correct answers Double Stranded molecule that is part of the chromosomes Dizygotic correct answers Non-identical Dominant correct answers Gene that shows...

One of the reagents will not react with the molecule we are trying to detect if we do not heat the solution for 5 minutes. Which one? Ans- Benedict's Reagent: when this reagent is mixed with a solution containing single or double sugars and then heated, a colored precipitate (solid material) forms. _______________ of starch in plant seeds is what starts the process of _______________ . Ans- hydrolysis/germination You would use _________ reagent if you wanted to test a certain soluti...

MCB Exam 1 Review Questions and Answers Already Passed Question: What is the central dogma of molecular biology? Answer: The central dogma of molecular biology describes the flow of genetic information from DNA to RNA to protein. Question: What are the key differences between prokaryotic and eukaryotic cells? Answer: Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and complex organelles such as mitochondria and the endoplasmic retic...

First cells would have been autonomous, membrane-bound units capable of self-replication requiring - ANSWER-nucleic acids RNA - ANSWER-• RNA has catalytic activity (ribozymes) .• First enzymes could have been RNA. • Earliest self-replicating molecules could have been RNA. • Proteins are better catalysts and DNA is more stable than RNA Earliest organisms: - ANSWER-• Probably primary heterotrophs .• Derived nutrients from the environment. • No need to synthesize own food aut...

UCI Bio 93 Midterm 2 Questions and Answers 100% Pass What is a metabolic pathway? A pathway that a molecule goes through, resulting in a specific product. What is metabolism? The totality of an organisms chemical reactions Gibbs free energy Portion of a system that can perform work when temp and pressure are uniform throughout the system. What does a negative Delta G mean? A process that is spontaneous/exergonic What does spontaneous mean? Means that a process will occur. ...

Enzymes – Biochemistry Questions and Answers with Verified Solutions What is the primary function of enzymes in biological systems? Enzymes act as catalysts, speeding up chemical reactions without being consumed in the process. How do temperature and pH affect enzyme activity? Enzymes have optimal temperature and pH ranges where they function best; deviations can lead to reduced activity or denaturation. What is the active site of an enzyme? The active site is the specific re...