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THCA 100 This reaction is Entropy is THC ( Leafly Mur AD RNA polymerase ATGACGOATCAGCCOCAAG GOAATTGOOGACATAA VACUOCCUAQUCOGCQUU RNA Transorpt TAUTOCOTAGTCOD 99 ATTEOR TATT (In this picture, RNA is being made by complementary base pairing with DNA.) This reaction is Entropy is

THCA 100 This reaction is Entropy is THC ( Leafly Mur AD RNA polymerase ATGACGOATCAGCCOCAAG GOAATTGOOGACATAA VACUOCCUAQUCOGCQUU RNA Transorpt TAUTOCOTAGTCOD 99 ATTEOR TATT (In this picture, RNA is being made by complementary base pairing with DNA.) This reaction is Entropy is

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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### Understanding Chemical Reactions and Entropy **Example 1: Conversion of THCA to THC** ![Chemical Reaction Diagram](Leafly) The image shows the chemical conversion of tetrahydrocannabinolic acid (THCA) into tetrahydrocannabinol (THC). The process involves applying heat, as indicated by the flame symbol. 1. **This reaction is**: - (Dropdown menu options: Endothermic, Exothermic, Neither) 2. **Entropy is**: - (Dropdown menu options: Increasing, Decreasing, Neither) **Detailed Explanation** When THCA is heated, it undergoes decarboxylation, losing a carboxyl group (-COOH) and converting into psychoactive THC. Heat application usually increases the disorder within a system, indicating an increase in entropy. **Example 2: RNA Synthesis from DNA** (In this picture, RNA is being made by complementary base pairing with DNA.) ![RNA Synthesis Diagram](Image Source) The image depicts RNA synthesis, where RNA polymerase unzips the DNA strand to synthesize a complementary RNA strand in the 5' to 3' direction. This process is known as transcription. 1. **This reaction is**: - (Dropdown menu options: Endothermic, Exothermic, Neither) 2. **Entropy is**: - (Dropdown menu options: Increasing, Decreasing, Neither) **Detailed Explanation** During the transcription process, RNA polymerase reads the DNA template strand and synthesizes a complementary RNA molecule. This process often involves energy consumption (endothermic). From an entropy perspective, the system might become slightly more ordered due to the specific base pairing, potentially implying a decrease in entropy. --- These exercises aim to provide a basic understanding of chemical reactions and the concept of entropy in biological and chemical processes.
Transcribed Image Text:### Understanding Chemical Reactions and Entropy **Example 1: Conversion of THCA to THC** ![Chemical Reaction Diagram](Leafly) The image shows the chemical conversion of tetrahydrocannabinolic acid (THCA) into tetrahydrocannabinol (THC). The process involves applying heat, as indicated by the flame symbol. 1. **This reaction is**: - (Dropdown menu options: Endothermic, Exothermic, Neither) 2. **Entropy is**: - (Dropdown menu options: Increasing, Decreasing, Neither) **Detailed Explanation** When THCA is heated, it undergoes decarboxylation, losing a carboxyl group (-COOH) and converting into psychoactive THC. Heat application usually increases the disorder within a system, indicating an increase in entropy. **Example 2: RNA Synthesis from DNA** (In this picture, RNA is being made by complementary base pairing with DNA.) ![RNA Synthesis Diagram](Image Source) The image depicts RNA synthesis, where RNA polymerase unzips the DNA strand to synthesize a complementary RNA strand in the 5' to 3' direction. This process is known as transcription. 1. **This reaction is**: - (Dropdown menu options: Endothermic, Exothermic, Neither) 2. **Entropy is**: - (Dropdown menu options: Increasing, Decreasing, Neither) **Detailed Explanation** During the transcription process, RNA polymerase reads the DNA template strand and synthesizes a complementary RNA molecule. This process often involves energy consumption (endothermic). From an entropy perspective, the system might become slightly more ordered due to the specific base pairing, potentially implying a decrease in entropy. --- These exercises aim to provide a basic understanding of chemical reactions and the concept of entropy in biological and chemical processes.
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