In the nitrogen reductase system, for every molecule of ammonia released, one molecule of hydrogen gas is also produced. What us the source of the hydrogen gas?

Q: Argininosuccinic aciduria is a condition that results when the urea-cycle enzyme argininosuccinase…

A: The urea cycle is a biochemical process that converts ammonia into urea as a waste to remove…

Q: Aspirin inhibits the cyclooxygenase pathway and blocks the synthesis of certain factors. Name these…

A: Aspirin is a medication that is used to treat fever, inflammation and pain. Aspirin is chemically…

Q: There are microorganisms that live in extreme environments like volcanic vents which temperature…

A: Microorganisms that develop at temperatures of 55°C or above (minimum 45°C, optimum 55-65°C, maximum…

Q: Conclude by discussing the role of a microbial group that fundamentally influenced the evolution of…

A: The evolution of microbial metabolic types on Earth has been a dynamic process, shaped by…

Q: draw an arrow pushing mechanism of the reaction catalyzed by COX enzymes What aspirin do to one of…

A: Eicosanoids are the types of lipids molecules or polyunsaturated fatty acids like prostaglandins and…

Q: Why does the enzyme reaction for chymotrypsin proceed in two phases?

A: Enzymes are the biocatalysts that increase the rate of biochemical reactions happening inside the…

Q: Red blood cells synthesize and degrade 2,3-biphosphogylerate (2,3-BPG) as a detour from the…

A: In glycolysis, a 6-carbon molecule of glucose-6-phosphate is broken down into 3-carbon pyruvate. It…

Q: Why is it essential that all eukaryotic cells perform this metabolic pathway?

A: Answer :- Cellular metabolism includes complex arrangements of controlled biochemical responses,…

Q: Oxygen serves as an electron acceptor. Once oxygen accepts electrons, it is reduced to?

A: The electron transport chain is completed by oxygen, which takes electrons and picks up protons to…

Q: When L-ascorbic acid participates in a redox reaction, it is converted to L-dehydroascorbic acid. In…

A: Redox (oxidation-reduction) reactions are those reactions in which electrons are transferred from…

Q: What is NAD1 (nicotinamide adenine dinucleotide)?

A: Biochemistry is a branch of science that deals with the study of chemical processes related to the…

Q: A denitrifying bacterium is strictly anaerobic. However, it possesses an electron transport chain…

A: Under aerobic conditions, electrons released from the oxidation of the substrate are carried to the…

Q: In carboxylic anhydrase enzyme, mutation at the active site can cause catalytic malfunction. How do…

A: Carbonic anhydrase is an enzyme of the zinc metalloenzyme category catalyzing the reversible…

Q: (a) Explain why obligate anaerobes contain some citric acid cycle enzymes. (b) Why don’t these…

A: Obligate anaerobes are those organisms that do not utilize oxygen. Oxygen is poison to them. They…

Q: In some metalloproteins such as haemoglobin and some metalloenzymes, the Fe2+ metal is not bound to…

A: Metalloproteins are proteins that contain a specific type of metal ion or metal-containing cofactor…

Q: Why do we refer to the conversion of six molecules of carbon dioxide (six carbon atoms) to one…

A: The Calvin cycle is the sequence of reactions involving the reaction of carbon dioxide to form…

Q: How is ACP similar to coenzyme A? How is it different?

A: Acyl transporter protein (ACP) is a part of the fat biosynthesis cycle. ACP catalyzes the expansion…

Q: Select the following enzymes that utilize a mechanism where ATP serves as the phosphate donor.…

A: Aerobic metabolism is a set of three basic metabolic processes that occur in cells to generate…

Q: Two mobile electron transfer carriers are present in the inner mitochondrial membrane.  Name these…

A: Electron transport chain is a sequence of biochemical reactions in which electrons and hydrogen…

Q: Oxaloacetic acid (C4H5O5, pKa1 = 2.56, pKa2 = 4.37), a diprotic acid, is part of the citric acid…

A: The three primary metabolic processes that occur in cells to create energy (ATP) are known as…

Q: How many carbons from 13 glucose molecules enter the Krebs (TCA) cycle in the absence o

A: Ans - 0  carbons from 13 glucose molecules enter the Krebs (TCA) cycle in the absence of oxygen

Q: What are different ways in which glucose is oxidized to provide energy in various organisms?

A: The process of exchange of gases through different modes, like air or water, for their survival is…

Q: In nitrogen acquisition, what two metabolic pathways generate NH4+?Describe each one focusing on the…

A: The assimilation of ammonium into glutamate is the process where the element nitrogen is assimilated…

Q: Pyruvate kinase, a glycolysis enzyme

A:

Q: List the three chemical processes that can lead to the removal of ions from solution and thus drive…

A: The following chemical processes can lead to the removal of ions from a solution causing Metathesis…

Q: There are organisms that can fix atmospheric nitrogen and convert it into ammonia. Which enzyme do…

A: The conversion of atmospheric nitrogen to ammonia is called nitrogen fixation. Nitrogen fixation is…

Q: Fill in the diagram below with the key intermediates and products in the UREA CYCLE: Some…

A: Solution: the required labeled diagram is attached below:ExplanationThe important intermediates and…

Q: If 40 molecules of glucose enter into cellular respiration in the presence of O2, how many molecules…

A: Citric Acid Cycle (CAC) is known as central metabolic pathway in which oxidation of all type of…

Q: Is carbonic anhydrase a metalloprotease? If so, what is the mechanism for the enzyme and a proposed…

A: A metalloprotease is a type of metalloenzyme where a metalloenzyme has a metal ion at its active…

Q: (Part A) Coenzyme-dependent enzymes can catalyze the general transformations shown below. What would…

A: The process of translation takes place in the cytoplasm which converts mRNA to…

Q: Why is the Na/K is also called Na/K ATPase?

A: The process of transport in which ions or molecules of a substance are transported across the cell…

Q: What is the end product of catabolism of the pyrimidine base thymine? What circumstances cause…

A: Pyrimidines undergo ring cleavage during the process of catabolism and the usual end products of…

Q: Why does Complex II use FAD instead of NAD+ as its electron acceptor?

A: Cellular respiration is a metabolic phenomenon in which glucose molecule is degraded and results in…

Q: If nitrate is used as the terminal electron acceptor in the electron transport system of a…

A: In anaerobic respiration, other compounds such as inorganic molecules such as nitrate (NO3–),…

Q: Why can it be said that each glucose molecule runs the Krebs cycle twice?

A: The process of exchange of gases through different modes, like air or water, for their survival is…

Q: Each of the cytochromes in the mitochondrion contains prosthetic groups. What is a prosthetic group?…

A: Conjugated proteins have prosthetic group with apoprotein. Apoprotein - The protein part of the…

Q: L-lysine is being produced by Corynebacterium glutamicum in a bioreactor using glucose as the carbon…

A: The bioreactor is defined as the cylindrical vessel or instrument in which biological processes are…