A characteristic of complex III is that it is reduced by FADH2. participates in electron transfer when the donor is NADH but not when the donor is FADH2. uses the Q cycle mechanism to oxidize ubiquinone. transports electrons from cytochrome c to complex IV.

A characteristic of complex III is that it is reduced by FADH2. participates in electron transfer when the donor is NADH but not when the donor is FADH2. uses the Q cycle mechanism to oxidize ubiquinone. transports electrons from cytochrome c to complex IV.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter7: Cellular Respiration: Harvesting Chemical Energy

Section7.4: Oxidative Phosphorylation: The Electron Transfer System And Chemiosmosis

Problem 1SB: What distinguishes the four complexes of the mitochondrial electron transfer system?

See similar textbooks

Related questions

Q: ----------------------the simplest lipids but they may be a part of or a source of many complex…

A: Lipids are a chemically diverse group of biomolecules that have two things in common: low…

Q: The pancreas is an organ of mixed secretion. Endocrinely, beta-cells produce the hormone insulin,…

A: Pancreas has 3 types of cells: α cells secrete glucagon β cells secrete insulin δ cells secrete…

Q: What is the function of CTAB being added to the cell culture before performing the enzyme induction…

A: Cell culture is the propagation of cells by providing a controlled physiological and physicochemical…

Q: Studies of the inner mitochondrial membrane reveal its composition to be approximately 20% lipid…

A: ATP is the energy currency that the cell spends on metabolic transactions. Mitochondria is the site…

Q: The term that refers to the light-dependent process in plants in which O₂ is consumed and CO₂ is…

A: Plants need energy to perform the functions that keep them alive, just like all other living…

Q: Describe the biochemical mechanism by which RNA splicing occurs precisely at the exon-intron borders…

A: One notable difference between prokaryotic genes and eukaryotic genes is that prokaryotic genes do…

Q: 4. Why does DNA use Thymine instead of Uracil?

A: DNA is the type of nucleic acid, double stranded poly-nucleotide chain which work as the genetic…

Q: What is the name of this cofactor related to niacin? 0 O-P :0 U -ро OH -CH₂ Н Н OH NH₂ OH Н OH 2+…

A: Niacin is also known as vitamin B3. It is also known as nicotinic acid. It is a water soluble…

Q: a) What structural aspect of these 18-carbon fatty acids can be correlated with the melting point?…

A: Fatty acids are important micromolecules which combine together to form lipids in plants, animals…

Q: 1. Lactoferrin is an iron-binding glycoprotein that forms the antibiotic fragment lactoferricin…

A: Ammonium sulphate is the commonly used salt for protein precipitation and extraction. Under high…

Q: Identify (1) the group where the lipid belongs, and (2) determine whether the lipid is saponifiable…

A: Lipids are a chemically diverse group of biomolecules that have two things in common: low…

Q: Which of the following interactions would be seen between the R-groups of His and Gln at pH 8?…

A: Amino acids are biomolecules that have an amino group and a carboxyl group linked to the same carbon…

Q: Which of the following is CORRECT?

A: In the reaction of Glycolysis, the △G values of the three irreversible reactions are : Glucose +…

Q: catabolic pathway - draw the complete electron transport chain for myristate

A: Myristate is 14 carbon saturated fatty acid molecule (molecular formula of CH3(CH2)12COOH), a…

Q: Which of the following substances derived from lipid catabolism serves as a precursor for glucose…

A: Triglycerides are fatty acid esters of glycerol. Three fatty acids are esterified to a single…

Q: When an inhibitor blocks a step in electron transport, all of the following are true except that Oa.…

A: ETC consist of four protein complexes called Complex I, II, III and IV that transport electron…

Q: In an enzyme mechanism that generates a negative charge in the transition state, which of the…

A: When a substrate(S) binds to the active site of an enzyme(E), it leads to the formation of an ES…

Q: potential is 140 mu, what Apt must be to maintain a proton motive force to 1.5 ATP from FADHZ? If…

A: Proton motive force (∆p) is the force developed through the proton pump which generates…

Q: What percentage of Vmax is obtained when the substrate is present at 80% of the KM? Use two digits…

A: Vmax is the maximum velocity attained by an enzyme during a reaction. Km is the substrate…

Q: Considering that regulation most often occurs at irreversible steps in a biochemical pathway, which…

A: Enzymes are usually protein molecules which catalyze several biochemical reactions in our body…

Q: The activated donor molecule for glycogen synthesis is UDP-glucose. O True O False

A: While glucose serves as the main source of energy, complex (i.e., more than single-celled) organisms…

Q: 1. Classification, structure and properties of higher fatty acids, their biological role.

A: Lipids are a chemically diverse group of biomolecules that have two things in common: low…

Q: Q10.1: Answer the following three-part question. a) Calculate the ΔEº’ for the citrate cycle…

A: Converting malate to oxaloacetate: The regeneration of oxaloacetate in the citric acid cycle is…

Q: 3..° i We seem to be constantly chasing the latest great oil to use for cooking and currently…

A: Fatty acids are carboxylic acids with a hydrocarbon chain ranging from 4 carbon to 36 carbons.…

Q: Mannose is the C-2 epimer of glucose. Altrose is the C-3 epimer of mannose. Which of the following…

A: Carbohydrates are polyhydroxy aldehydes or ketones. They can be classified as monosaccharides,…

Q: An animal cell is capable of converting alanine into serine. What is the shortest pathway using…

A: Amino acids are classically considered the building blocks for the synthesis of proteins. The unique…

Q: Discuss how each denatures protein.

A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

Q: Finally, using the formula to convert between standard states, show that that your calculated values…

A: Chemical standard state is defined by standard conditions in chemical systems. These standard…

Q: Compare the molecular property of amino acids and their roles in protein folding.

A: There are 20 general proteogenic amino acids (amino acids that are often found in proteins). These…

Q: Use a schematic diagram to briefly summarize the steps taken during the separation, isolation, and…

A: Milk is the secretion of fluid from the mammary gland, the full cream milk is composed of ~54.5%…

Q: The catalytic efficiency of many enzymes depends on pH. Chymotrypsin, which has a well-known…

A: Enzymes are high molecular-weight protein molecules that catalyse biochemical reactions. The…

Q: Efficascent Oil liniment formulation

A: Efficascent Oil liniments are oils that are topically applied to relieve muscle pain, joint pain,…

Q: Polypeptides are continuously synthesized and broken down within living systems. One of these…

A: A protein is a chain of amino acids which can be called a polypeptide. The polypeptide chain folds…

Q: 1. What mRNA sequence does the following DNA template sequence produce? DNA…

A: As per the central dogma of molecular biology, genetic information is stored in the DNA. The genetic…

Q: Indicate the total number of ATPs produced in each of the following oxidation reactions from 5 moles…

A: In cellular respiration, glucose is oxidized during glycolysis and the end product (pyruvate) is…

Q: true/ false: When proteins are denatured 1°, 2°, 3°, and 4° structure is lost.

A: Denaturation is a process in which proteins lose their original structure or confirmation. The loss…

Q: Why is RNA splicing important to cellular processes and protein synthesis?

A: As per the central dogma of molecular biology, DNA contains the information needed to synthesize…

Q: Arrange the following in the order they appear in electron transport. a. FAD, coenzyme Q, cytochrome…

A: Electron transport chain is a series of protein and organic molecules located in the inner membrane…

Q: 4. Which of the following mutations would most likely keep the transitions of T state to R state in…

A: Amino acids are biomolecules that have a carboxyl group, an amino group and a side group linked to…

Q: 4. Peculiarities of hormonal regulation of glycogen metabolism in muscles and liver.

A: The glycogen synthesis mainly occurs in the muscle, and liver, using glucose-6-phosphate. The…

Q: Symport and antiport proteins must be active transport proteins A)True B)False

A: The biological membranes are selectively permeable. Transport across the biological membrane can be…

Q: Muscle glycogen phosphorylase, an enzyme that provides glucose to the muscle for energy production,…

A: Enzymes are highly specialized proteins that have extraordinary catalytic power, greater than that…

Q: What do you call the test used to detect the presence of protein in saliva?

A: Proteins are high molecular weight biomolecules. They are polymers of amino acid residues linked to…

Q: QUESTION 10 You are creating a set of Daphnia mutation accumulation (MA) lines to determine…

A: The accumulation of data on the genomic bases of adaptation has reignited interest in adaptation…

Q: 4. If a non-science person asks you what protein folding is and how the concept is related to…

A: Enzymes are biological catalysts that increases the rate of biochemical reactions. Most enzymes that…

Q: VII. Draw the structure of melezitose (either in Haworth or in conformer): a-D-glucopvranosyl-…

A: Melezitose is a trisaccharide made up of α-D glucose (1,3)-β-D-Fructose (2,1)-α-D-Glucose. Inorder…

Q: 1) Gluconeogenesis refers to ________. A) the breakdown of glycogen B) the formation of glucose from…

A: Generally, glucose is the preferred source of energy in our body. But of we are not eating properly…

Q: Name the components of products used in treating diarrhea and give the functions of each.

A: The term "gastrointestinal agents" refers to a broad category of medications used to treat…

Q: A. Effect of Enzyme Concentration Table 1. Effect of Catalase Concentration on Enzyme Activity…

A: "Since you have posted multiple questions, we will provide the solution only to the first question…

Question

I
A
characteristic of complex III is that it
is reduced by FADH2.
participates in electron transfer when the donor is NADH but not when
the donor is FADH₂.
uses the Q cycle mechanism to oxidize ubiquinone.
transports electrons from cytochrome c to complex IV.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Electron transport Chain

VIEW

Explanation

VIEW

Answer

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

You experiementally apply the compund antimyctin, which inhinits the functioning of complex III, cytochrome reductase, from participating in redox reactions. You follow this with the addition of 6 molecules of FADH2. How many total ATP molecules can be created using the number of protons that were pumped?
In complex II in the electron transport chain electrons from coenzyme QH2 is transferred to cytochrome C. True or False
Complexes I and II of the electron transport complex transfer electrons from NADH and succinate, respectively, to _____________.
All of the following are shown in the Q cycle of the Complex III, except: a. That electrons are donated by QH2 b. That translocation of H+ occurs from the intermembrane space to the mitochondrial matrix c. That cytochrome c is the electron acceptor d. That electrons are transferred by cytochrome proteins and Fe-S clusters
In complex I in the electron transport chain electrons from FADH2 are transferred to cytochrome C. True or False
In the electron transport chain, NADH is oxidized at complex ____, and FADH2 is oxidized at complex _____.
Hydrogen cyanide gas is a lethal poison that binds to the last cytochrome molecule in the electron transport system. What effect would this have at the cellular level?
Which statement is FALSE? Cytochrome c2 transfers the electrons from QH2 to complex bc1 The proton gradient drives the synthesis of ATP through the action of ATP synthase Complex bc1 is homologous to Complex III of the respiratory electron-transport chain the cytochrome subunit of the reaction center must regain an electron to complete the cycle After the waste of a valuable high-energy electron the absorbed light energy can be converted into heat
In step 6 of the Krebs cycle succinate ___ to fumerate a reaction that takes place in the ___ oxidizes ;inner mitochondrial membrane reduces ;mitochondrial matrix reduces; inner mitochondrial membrane Oxidizes; mitochondrial matrix
Which complex of the mitochondrial electron transport chain accepts electrons directly from NADH (the reduced form of nicotinamide adenine dinucleotide)? NADH dehydrogenase (complex I) FADH2 dehydrogenase (complex II) cytochrome b-c1 (complex III) cytochrome c oxidase (complex IV) the ATP synthase complex
Cytochrome oxidase and succinate-CoQ oxidoreductase are isolated from mitochondria and are incubated inthe presence of oxygen, along with cytochrome c, coenzyme Q,and succinate. What is the overall oxidation–reduction reactionthat can be expected to take place?
Which complex of the mitochondrial electron transport chain accepts electrons directly from NADH (the reduced form of nicotinamide adenine dinucleotide)? NADH dehydrogenase (complex I) FADH2 dehydrogenase (complex II) cytochrome b-c1 (complex III) cytochrome c oxidase (complex IV) the ATP synthase complex Chapter 14, Pg. 78