7. Which of the following best characterizes the events that occur at an origin of DNA replication? A. One replication fork forms, with one leading strand and one lagging strand synthesized at the fork. B. One replication fork forms, with two leading strands and two lagging strands synthesized at the fork. C. Two replication forks form, with one leading strand and one lagging strand synthesized at each fork. D. Two replication forks form, with one leading strand synthesized at one fork and one lagging strand synthesized at the other. E. Two replication forks form, with two leading strands synthesized at one fork and two lagging strands synthesized at the other.

Q: Long explanations are not needed. Direct answers would suffice.   a. High concentration of glucose…

A: The glucose metabolism start with the process of glycolysis , the enzyme hexokinase is for…

Q: Which exemplifies substrate level phosphorylation? O Glucose + ATP --> Glucose-6-phosphate…

A: Substrate-level phosphorylation is a metabolism reaction that aids in the transfer of a phosphate…

Q: Which of the following enzyme catalyzes a reaction that introduces reduced nitrogen ito cellular…

A: Nitrogen metabolism is characterized by the coordinated expression of a large number of enzymes…

Q: ased on the knowledge you gained from the cloning module, which of the lanes in the urs is…

A: Agarose gel electrophoresis is used to separate DNA molecules based on their size and analyze DNA…

Q: ▼ Express your answer as a chemical. ΑΣΦ ? A chemical reaction does not occur for this question.…

A: The reduced form of FAD is- Answer- FADH2 FAD is flavine adenine dinucleotide. The oxidized form is…

Q: The lipophilic compounds do not interact with any chiral receptors within the cell membrane, and it…

A: Lipophilicity is a key assets in processes, along with intestinal absorption, membrane permeability,…

Q: Long explanations are not needed. Direct answers would suffice.   a. The penultimate carbon in an…

A: Aldohexoses are carbohydrates with six carbon atoms and an aldehyde group. Glucose is an example of…

Q: Using the data provided use a Michaelis-Menten and Lineweaver-Burk plot to determine the K and Vmax…

A: Enzyme kinetics are studied mostly by Michaelis Menten equation shown below: V =VmaxSKM+S It can be…

Q: A plant isolate was subjected to qualitative tests to determine the presence of macromolecules.…

A: Plant isolates are obtained from different tissue homogenate samples of plant parts. Usually, a…

Q: If OAT takes ornithine and alpha-ketoglutarate as (a) substrates, draw the structures of the…

A: Aminotransferases are group of enzymes that catalyzes the transamination reaction between amino acid…

Q: Use the data below to determine the maximum velocity [in mM/s] of a certain enzyme-catalyzed…

A: We must know the Michaelis Menten equation: V=Vmax [S]Km+ [S]

Q: Which of the following is an anomer of a-D-galactopyranose?

A: Anomers are cyclic stereoisomer , for example the C-1 of sugar molecule become chiral carbon and has…

Q: Which of the following is an anomer of a-D-galactopyranose? CHOH OH H. он он CH,OH OH он H он H H он…

A: Galactose is aldohexose. It is a C-4 epimer of glucose. The cyclic six-membered ring is called…

Q: If a woman that takes folic acid decreasing her risk of neural tube disorder does this mostly change…

A: Folic acid is the synthetic commercial form of vitamin B. it plays crucial role in the formation…

Q: How does the mouth achieve initial digestion of carbohydrates? Read and analyze the question and…

A: Carbohydrate digestion begins in the mouth with the mechanical action of chewing followed by the…

Q: ACTIVITY 6.2.6 Give the complete name of the disaccharides below: 1. Lactose 2. Cellobiose

A: Essentially, a disaccharide is made up of two monosaccharides (simple sugars) linked together. A…

Q: What does the term ’leakage’ mean in the context of regulating greenhouse gas emissions? and why is…

A: Carbon leakage refers to a scenario in which a agency makes a decision to transport their…

Q: Differentiate osmosis from active transport. requires movement is protein according to channels…

A: The plasma membrane of the cell is selectively permeable. It forms the barrier that blocks the free…

Q: During exercise when the body lacks an adequate supply of oxygen to support energy production, the…

A: When a person does workout, then the body has a tendency to lack a very high amount of oxygen…

Q: What are the three major pathways that eventually become entry points of molecules into the Krebs…

A: In the Krebs cycle, acetic acid or its equivalent provides energy to the organism through oxidation,…

Q: How many ATP are required to synthesize a polypeptide of 98 residues in translation? А. О В. 97 С.…

A: Polypeptide is made up of different amino acids and these amino acids are joined together through…

Q: For each of the following experiments, tell me whether you would expect the rate of O₂ consumption…

A: Oxidative phosphorylation is the process by which ATP is synthesized and is also coupled to the…

Q: How can replication occur at several places along a DNA double helix? (21.3)

A: Replication :- process of formation of replica. where replica of DNA is formed so that the DNA could…

Q: Collagen is a fibrous protein which involves interactions between multiple helixes. Ohas a highly…

A: Collagen is a structural protein found naturally in humans and animals. It constitutes upto 30% of…

Q: 1)What are the main roles of the following amino acids; (within the crystal structure and/or active…

A: Hi! Thank you for the question. We are authorized to answer three subparts at a time, since you have…

Q: Describe the evidence of Picric acid test to show a positive result for the presence of a specific…

A: Picric acid carbohydrate testing is an extremely sensitive chemical test that measures the amount of…

Q: The following plasmid is digested with EcoR1 and Ndel restriction endonucleases. Agarose…

A: Restriction endonucleases are enzymes which cleave the phosphodiester bonds within a DNA. These…

Q: Ribose-5-phosphate is produced by oxidative decarboxylation of 6-phosphogluconate catalyzed by the…

A: Above questions is from PENTOSE PHOSPHATE PATHWAY.

Q: Long explanations are not needed.  True or False a. One NADH is produced for every pyruvate…

A: The pentose phosphate pathway is an alternative pathway for glucose oxidation. It provides NADPH for…

Q: What are the different sections in the Clinical laboratory? Which one you think, will be your…

A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: N-acetylglucosamine is a derivative of glucose and considered as ____________. a. non-reducing…

A: N- acetylglucosamine is a derivative of glucose. It is a monosaccharide which generally polymerize…

Q: How does salt help in the DNA extraction process?

A: DNA is extracted to compare the DNAs from different sources and to study the sequence differences.…

Q: The metabolic function of the pentose phosphate pathway is to: a. generate NADPH and pentoses for…

A: Pentose phosphate pathway also called the hexose monophosphate shunt is an alternative pathway for…

Q: Chemistry A poison has been found to severely compromise the energy production in its victims.…

A: Energy is produced in the mitochondrial matrix through the process of oxidative phosphorylation.…

Q: Regarding pathways that feed glycolysis, which of the following statements is false? Mannose is also…

A: The glycolytic pathway metabolizes glucose molecules to synthesize energy in the form of ATP and…

Q: all dehydrogenase reactions are variations upon a theme. Within that set of reactions, all reactions…

A: Dehydrogenases is an enzyme belongs to the class of oxidoreductase enzyme. In oxidoreductase the…

Q: is there a difference between when using malate-aspartate shuttle or glycerol-3-phosphate shuttle in…

A: There are two pathways that transport NADH into mitochondria : the glycerol-phosphate shuttle and…

Q: Discuss the uses of alpha-amylase, amyloglucosidase, debranching enzymes , proteases, beta-glucanase…

A: Enzymes are proteins made up of thousand different amino acid chains , catalyzes different…

Q: B-D-2-Deoxyribose is an aldopentose component of the nucleic acid structure with its -OH grou at C-3…

A: Ribose and deoxyribose are the fundamental building blocks of nucleic acids.

Q: Each of the following enzymes are similar in that they are all regulation points for the…

A: Enzymes are chemical substances that function in several biochemical reactions and help in the…

Q: Just answer the items with no answer yet, thank you!

A: Maltose is a disaccharide composed of α-D-Glucose molecules, which are linked together through α…

Q: Which would be faster to metabolize starch glucose galactose

A: Metabolism is a set of chemical reactions through which what we consume through food through diet…

Q: ADP molecules phosphate molecule intermembrane space ATP synthase H+ ions CoQ mitochondrial matrix…

A: A widely accepted model for ATP synthesis is the binding change mechanism or flip-flop…

Q: Which of the following best describes the mechanism of action of a cardiac glycoside? A)…

A: Cardiac glycosides are the compounds that are important for enhancing the force of heart to increase…

Q: Acid hydrolysis of proteins in order to determine the amino acid composition leaves most of the…

A: Acid hydrolysis of proteins by boiling in 6M HCI at 110 "C for more than 24 h is a method for…

Q: Which is a characteristic of cooperative binding that is exhibite by a protein? O Momomeric…

A: Introduction: A macromolecule will show cooperative binding if its affinity for its ligand changes…

Q: What cofactor is formed when this reaction proceeds right during glycolysis? OPO,CH O OH 2-OPO,CH,…

A: Glycolysis is classified as one of the cytoplasmic pathways. The main role of this pathway is to…

Q: deoxynucleosides?

A: Nucleosides and deoxynucleosides are endogenous metabolites excreted from RNA turnover and DNA…

Q: Propionic acid with a pk of 4.88 is a weak acid. Which situation is likely to occur in a propionic…

A: Introduction: The ionization constant (pKa) is a value that tells us the tendency of compounds or…

Q: Which of the following is present in sphingolipids? a). fatty acid b). carbohydrate c). phosphate…

A: Lipid molecules are o amphipathic nature and these molecules are used to make the plasma membrane.…