Q: If there is harmful Mutation in Ligase, termination phase of DNA replication is effected True False
A: To understand the structure of nucleic acid, it is necessary to first understand the structure of…
Q: ___________ replication forks are created at the origin of replication.
A: Replication of DNA begins at a single origin of replication, two replication forks are formed which…
Q: DNA ligases cannot join the sticky ends of two DNA fragments. True False
A: The DNA ligases are used in the process of cloning in which pieces of DNA having matching ends are…
Q: DNA gyrase manages DNA tangles and supercoils by breaking DNA strands to allowing DNA to rotate into…
A: Introduction:- During cell division, DNA replication is the process by which DNA duplicates itself.…
Q: Some Processes Involved in DNA Replication The replication origin is identified. DNA primase builds…
A: Various proteins named replication enzymes along with RNA biomolecules are involved in the…
Q: Sometimes mistakes are made during DNA replication. If uncorrected, these mistakes are called…
A: DNA is the genetic element in all cell types of prokaryotic and eukaryotic. DNA is double-stranded…
Q: Differences between replication and transcription include: O Both DNA strands are replicated but…
A: Both DNA replication and Transcription involve the generation of a new copy of the DNA in a cell.
Q: DNA replication AND repair both finish with the action of Primase DNA polymerase l DNA polymerase II…
A: Primase- Primase is an enzyme that produces primers, which are short RNA sequences. Primase works by…
Q: Explain why DNA replication is called semiconservative.
A: Genetic material present in nucleus of a cell i.e., DNA contains the instructions for protein…
Q: THE MECHANISM OF DNA REPLICATION Arthur Kornberg, a Nobel prize winner and other biochemists deduced…
A:
Q: The following diagram uses colors to illustrate the replication of a chromosome. Use your knowledge…
A: DNA is the genetic material which stores all the genomic information needed for survival of any…
Q: Match the enzymes involved in DNA replication with their function. Primase [ Choose ] [ Choose]…
A: DNA replication is a process by which a new strand of DNA is synthesized using the existing DNA…
Q: THE MECHANISM OF DNA REPLICATION Arthur Kornberg, a Nobel prize winner and other biochemists deduced…
A: The process of DNA replication is critical in ensuring genetic continuity from generation to…
Q: Paired DNA strands must be separated from each other before they can be copied in DNA replication.…
A: DNA is genetic material and it is most important part in any cell. Each cell should have correct…
Q: Determine the complementary strand of DNA that forms on this template DNA fragment during…
A: The complementary strand of the DNA fragment during the replication : 3' CCAAAGAAGTTCTCT 5'
Q: True or False: The DNA replication process always produces a perfect copy of the original…
A: DNA replication is a process by which DNA makes copies of itself. It involves following steps;…
Q: Which statement about DNA clamps is TRUE? OThey prime synthesis of DNA. They form ends of eukaryotic…
A: The clamp protein actually helps in the binding of DNA polymerases during DNA replication.
Q: Draw replication forks that show what you would expect to see if a cell were unable to make the…
A: Replication is the process of synthesis of new DNA strand from the existing ones. The existing DNA…
Q: DNA polymerase is important in the replication process because it can join together segments of DNA…
A: DNA is basically genetic material in all the organism . In Prokaryotes , it is safely stored inside…
Q: When DNA is replicated, two new DNA double helices areformed, each consisting of one parental strand…
A: Introduction DNA replication is very crucial for the continuation of life as every new daughter…
Q: One characteristic of the DNA molecule is its replication capability. What are the consequences of…
A: Deoxyribonucleic acid (DNA) encodes genetic information required for the proper functioning of…
Q: DNA polymerase II binds to double stranded molecules and creates Okazaki fragments in the lagging…
A: The process by which DNA is copied is called DNA replication. Synthesis of new strand occurs in the…
Q: copy of a molecule of DNA. In this process, the joining of nucleotides to extend a new strand of DNA…
A: DNA replication is a process in which DNA makes its daughter stand by making a copy of the original…
Q: Some Processes Involved in DNA Replication The replication origin is identified. DNA primase builds…
A: DNA is a genetic material that transfer genetic information to form proteins via transcription and…
Q: For each round of DNA replication, pokaryotic DNA starts replicating at
A: The biochemical process that involves the synthesis of a new DNA molecule of the mirror image on a…
Q: Which of the following is involved in the initiation of DNA replication? condensin Cdc6 Cdc9…
A: Introduction DNA replication:- DNA replication is the biological process by which a molecule of DNA…
Q: Once replication begins, it will continue in both ______________ along the DNA strand.
A: Replication Replication is the process of doubling of DNA molecules. In this, both strands of DNA…
Q: TRUE OR FALSE. Non-homologous end-joining as a DNA repair mechanism does not result in loss of…
A: DNA repair is the mechanism by which there is identification and correction of damaged DNA molecules…
Q: Which enzymes are involved in DNA replications? There are multiple answers. Helicase DNA polymerase…
A: DNA replication is the mechanism by which the eukaryotes and the prokaryotic DNA generates a copy of…
Q: Which of the following statements about DNA replication is FALSE? ORNA primers play a role in…
A: DNA replication is the synthesis of new copies of DNA and occurs before cell division. It occurs in…
Q: During DNA replication, each new strand of DNA is synthesized from both ends at once. This statement…
A: DNA Is the basic unit of inheritance. DNA undergoes replication, transcription, translation, etc for…
Q: DNA positively supercoils during replication and negatively supercoils in transcription.
A: Transcription is a process where DNA replicate into RNA, while replication is the making of DNA…
Q: Just prior to DNA replication the cytosine in the sequence GTTCATTG is deaminated and it is not…
A: The deamination means removal of the amino group (-NH2) from a particular molecule. In the cell…
Q: DNA replication is vital for successful cell division. Explain the process of DNA replication. Make…
A: Step 1 Replication is the formation of exact carbon copies of a substance. It occurs in the case of…
Q: During DNA replication the FIRST SYNTHESIS begins with the action of DNA Polymerase I DNA Polymerase…
A: The DNA replication occurs by semiconservative mode and it involves production of new DNA from the…
Q: The speed of DNA replication at a replication fork is about 100 nucleotides per second in human…
A: Introduction :- The process by which the genome's DNA is copied in cells is known as DNA…
Q: DNA topoisomerase makes single or double-stranded cuts in DNA to induce or relax supercoiling or…
A: Different enzymes are involved in the process of DNA replication. Topoisomerases are one such class…
Q: During DNA replication,why is it that the entire molecules does not open in one go?
A: DNA replication is the process of making two identical copies of DNA (deoxyribonucleic acid) from…
Q: During DNA replication, half of the strand is conserved in the new molecules cteated. This is called…
A: Formation of new DNA from the old DNA is known as DNA replication. DNA replication occurs within the…
Q: DNA replication is said to be semiconservative because ___
A: DNA Replication is an integral part of the Central Dogma concept, which states that DNA makes RNA…
Q: DNA replication is bidirectional and discontinuous. Explain your understanding of
A: DNA replication is the process by which DNA is able to copy itself.
Q: what are the steps for DNA replication?State the Enzyme and protein used in every steps.
A: INTRODUCTION There are three process in DNA replication.initiation, elongation and termination.
Q: t the following steps of DNA replication in order. Each new double strand of DNA winds into a double…
A: DNA ( Deoxyribonucleic acid ) replication is a process of making DNA from a template strand of the…
Q: The replication of DNA begins at a special site with the formation of leading to the molecule…
A: In Messelson and Stahl experiment, they proposed the semi-conservative nature of DNA. In this…
Q: A DNA molecule 300 bp long has 20 complete rotations. This DNA molecule is a. positively…
A: If DNA is in the form of a circular molecule, or if the ends are rigidly held so that it forms a…
Q: D) UNI OR BIDIRECTIONAL Replication forks move in one or opposite directions (a) Unidirectional…
A: This picture is showing the directionality of the replication of the DNA. The DNA replication…
Q: DNA ligases will seal all nicks there are in the DNA strands during the replication process and in…
A: DNA nicks introduced during the process of replication, recombination or repair if left unchecked,…
Q: Which of the following replication proteins is incorrectly paired with it’s function?
A: The DNA replication occurs with the action of many enzymes that ar having some unique functions.
Q: TRUE OR FALSE: a) DNA replication requires the participation of at least 8 nucleoside…
A: The flow of genetic information from DNA to RNA, RNA to protein synthesis is called central dogma.…
Q: Which of the following is not a characteristic of DNA replication? The synthesis of a new DNA strand…
A: DNA replication is the process of synthesis of new strands of DNA from parental strands. The process…
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- The dialysis bag membrane in the figure is permeable to water and to the simple sugars only. The final solute concentration will: • Stay same without change • Reach equilibrium on both sides. • Sucrose concentration will be higher inside the bag. "Environment" 0.01 M sucrose 0.01 M glucose "Cell" • Glucose concentration will be higher inside the bag. 0.03 M sucrose 0.02 M glucose 0,01 M fructose • Fructose concentration will be higher inside the bag.Regarding the "diffusion across a selectively permeable membrane" experiment, how know if starch left the tubing and entered the surrounding solution? would you O the surrounding solution would turn purple the glucose test strips would show elevated levelsDiffusion with barrier temperature 1. 000 Low Watch on YouTube W 8 O **, Temperature MATUM ... Remove barrier 00 High 208 Start O Trace a molecule A periment time Gas sensor Reset experiment Stop Share 0.0 s Thermometer About Share In the scenario shown above, the green spheres are Glucose molecules and the blue dots are water molecules. What effect will the addition of energy in the form of heat change how these molecules move across a membrane? Ra
- After three minutes, the concentration of drug Zip in the red blood cells is 10 mmoles l-1. What is the average rate of entry of drug Zip into the red blood cells in units of moles min-1 red blood cell-1 during the first three minutes after placing the red blood cells into the bathing solution? Assume that each red blood cell occupies about 1 x 10-13 liters.Fill in the 3rd row of the Prediction Table. You should also be able to fill in the 4th row. Because of the gradient differences in beakers 3 and 4, for which do you predict a faster rate of osmosis? Explain. What is the concentration gradient for the beaker below? -10 _% While sucrose molecules are too large to cross dialysis membrane, ions and monomers of macromolecules are not. The diffusion of solutes across a membrane is called dialysis. Consider the set-up to the right. Fill in the % water for the beaker and bag solutions. Then fill in the table below. NaCl glucose H₂O Osmosis? Dialysis? Dialysis Dialysis Osmosis Into bag? Out of bag? No net movement? Into the bag Out of the bag No net mouvement 2 Prelab 5 Movement of Molecules 10% NaCl 10% glucose 90 % H₂O 90 % H₂OTable 1 - Comparison of the effect of catechol concentration on the amount of product formed. Absorbance Potato extract Absorbance 0 mins after 30mins (2nd reading) (mL) 1st reading 1 Tube # la blank 2a 3a 4a 1 1 1 dH₂O Catechol (mL) (mL) 7 5 3 1 0 2 4 6 0.00 0.060 0.033 0-05-2 Q4) Give 2 reasons for adding dH₂O to these tubes in Table 1? Time for reading: 3:21 -0.11 Absorbance: Time for reading: 3.36 Q5) Tube la serves as a control, but why is this control needed? Absorbance: 0.197 Time for reading: 3.37 Based on the data from Table 1 answer these questions: Q1) What is the name of the enzyme found in potato extract? Answer: catechol Q2) What is the substrate? Answer: THO Q3) Name of product of this enzyme catalyzed reaction? Answer: Absorbance: 0.152 Time for reading: 3:39 Absorbance: . 166 ness Catechol Benzoquinone Subtract 1st from 2nd reading -0.01 0-137 0.11.19 0.119 Q6) Notice that your 1st absorbance reading in tubes 2a-4a are quite similar but it then becomes very different…
- (a) Insert the table with data for Experiment 1 Table 1. Osmosis in a model cell contents of dialysis bag contents of beaker mass at 0 min (g) mass at 15 min (g) mass at 30 min (g) mass at 45 min (g) 1 2% sucrose 2% sucrose 11.66 11.75 11.67 11.73 2 20% sucrose 2% sucrose 12.54 12.72 12.98 13.21 3 2% sucrose 20% sucrose 12.11 11.86 11.59 11.48 (b) Calculate the total change in volume with the appropriate units for each dialysis bag in the experiment. Bag 1: Bag 2: Bag 3: (c) Explain why the volume of each bag changed during the experiment.In the experimental conditions described below, how many molecules of dextrose do you have to add to the extracellular fluid in order to make it iso-osmotic relative to the intracellular fluid? Intracellular fluid: Number of water molecules = 60 Number of Dextrose molecules = 6 Number of Sucrose molecules = 2 Extracellular fluid: Number of water molecules = 160 Number of dextrose molecule = ???? Number of Sucrose molecules = 0 Enter the number of molecules of dextrose in your answer (format: for 7 enter 7 or 7.00, for 7.5 enter 7.5 or 7.50, for 7.3333 enter 7.33 etc...).yeasts are able to produce high internal concentrations of glycerol to counteract the osmotic pressure of the surrounding media. suppose that a sample of yeast cells were placed in a 4% sodium chloride solution by weight. The density of solution is at 25 C = 1.02 g/ml, Molecular weight of solute = 58.44 g/mol, i of glycerol = 1 and R=0.08205 L-atm/mol-K What is the weight of solute in grams What is the moles of solute What is the volume of the solution in liters What is the molarity of the solution What is the value of the temperature to be used to solved for the osmotic pressure of the solution What is the osmotic pressure of solution
- Percent change in egg mass 2 1 -2 -3 0.00 Change in egg mass over time 20.00 Time (min) 40.00 60.00 4. What solution molarity was the egg placed in represented by the yellow, starred points? the blue square points? the green circular points? 5. How long did it take the egg placed in the 0 M solution to increase its mass by about 1% due to osmosis? 6. How long did it take the egg placed in the 2 M solution to decrease its mass by about 1% due to osmosis? 7. Which line represents the hypotonic, isotonic, and hypertonic environments? Explain how this is evident from the graph.In the experimental conditions described below, how many molecules of dextrose do you have to add to the extracellular fluid in order to make it iso-osmotic relative to the intracellular fluid? Pracice 7 Intracellular fluid: • Number of water molecules = 60 Number of Dextrose molecules = 8 • Number of Sucrose molecules = 2 Extracellular fluid: • Number of water molecules = 160 • Number of dextrose molecule = ???? • Number of Sucrose molecules = 0 Enter the number of molecules of dextrose in your answer (format: for 7 enter 7 or 7.00, for 7.5 enter 7.5 or 7.50, for 7.3333 enter 7.33 etc...). Your Answer: AnswerIn the experimental conditions described below, how many molecules of dextrose do you have to add to the extracellular fluid in order to make it iso-osmotic relative to the intracellular fluid? Intracellular fluid: Number of water molecules = 60 • Number of Dextrose molecules = 7 • Number of Sucrose molecules = 3 ● Extracellular fluid: • Number of water molecules = 160 • Number of dextrose molecule = ???? • Number of Sucrose molecules = 0