Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 38.2, Problem 3CC
Summary Introduction
To identify: The common substance that inactivates the nitrogenase enzyme by binding to its active site.
Introduction: Nitrogen is required to synthesize various nitrogenous compounds and other cell constituents. The enzyme nitrogenase is used by nitrogen-fixing prokaryotic organisms to fix nitrogen. Additionally, these prokaryotic organisms also require ATP for the process of nitrogen fixation. Nitrogen-fixing bacteria are able to fix nitrogen and make it available for the plants to utilize for various cellular processes.
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Chapter 38 Solutions
Biology
Ch. 38.1 - Prob. 1CCCh. 38.1 - Prob. 2CCCh. 38.2 - Prob. 1CCCh. 38.2 - How might soil crusts influence the ecology and...Ch. 38.2 - Prob. 3CCCh. 38.2 - Prob. 1EQCh. 38.2 - Prob. 2EQCh. 38.3 - Prob. 1CSCh. 38.3 - Prob. 2CSCh. 38 - Which of the following substances can limit plant...
Ch. 38 - In what form do plants take up most soil minerals?...Ch. 38 - Prob. 3TYCh. 38 - Soil organic matter provides the benefit of a....Ch. 38 - Prob. 5TYCh. 38 - Which property is not characteristic of clay-rich...Ch. 38 - Prob. 7TYCh. 38 - Prob. 8TYCh. 38 - Prob. 9TYCh. 38 - Which plant uses a passive trap to obtain animal...Ch. 38 - Prob. 1CQCh. 38 - Prob. 2CQCh. 38 - Prob. 3CQCh. 38 - Prob. 1COQCh. 38 - Prob. 2COQ
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- Identify the two components of the nitrogenase complex and describe their specific tasks.arrow_forwardDescribe the nitrogenase complex. How is the enzymeorganized? What are its unique components?arrow_forwardAmmonia enters the urea cycle as: OA) aspartate. OB) glutamate. C) carbamoyl phosphate. OD) NH4.arrow_forward
- how many water molecules are needed for the krebs cycle to completely metabolize one molecule of glucose?arrow_forwardCyanide makes a bond to cytochrome in the electron transport chain located in the mitochondria, rendering the electron transport chain useless. The cyanide ingestion in death due to which of the following? a) Starvation, due to an inability to create glucose.b) Build up of lactic acid.c) Inability to take in oxygen through the lungs.d) Cellular death from lack of energy.arrow_forwardHow many -amino acids participate directly in the ureacycle? Of these, how many can be used for protein synthesis?arrow_forward
- a) What is the role of the lysosome in degrading proteins? What are the enzymes that degrade/hydrolyze proteins? How does the further degradation of amino acids occur?b) Explain the urea cycle and summarize the steps of the urea cycle starting from carbamoyl phosphate.arrow_forwardHow does the formation of the enzyme-substrate complex explain the reduction of the activation energy of chemical reactions?arrow_forwardThe urea cycle can be summarized through the following reaction: O || H₂N-C-OPO3= COO- | H3N-CHCH₂COO- O || H₂N-C-NH2 + -OOCCH = CHCOO- 1. Write the reactions, using structural formulas that lead to the formation of carbamoyl phosphate and its subsequent incorporation into the urea cycle. Name the enzymes and how they are activated.arrow_forward
- The urea cycle can be summarized through the following reaction: O || H2N-C-OPO3 + COO- | H3N-CHCH₂COO b. O || H2N-C-NH2 1a Write the reactions, using structural formulas that lead to the formation of carbamoyl phosphate and its subsequent incorporation into the urea cycle. Name the enzymes and how they are activated. 1 + OOCCH=CHCOO- Write the rest of the reactions that constitute the urea cycle using structural formulas. Name the enzymes that catalyze each reaction. Indicate which reactions occur in the mitochondrion and which occur in the cytoplasm.arrow_forwardWhat enzyme is catalyzed by the reaction of glutamate and NH4+ in order to yield glutamine? Is it uridylyltransferase, adenylyl transferase, glutamate transferase or glutamine synthase?arrow_forwardWhat kind of protein is lactase, the biomolecule that speeds up the breakdown of lactose?arrow_forward
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