Table of Contents
Which is true about DNA replication?
The result of DNA replication is two DNA molecules consisting of one new and one old chain of nucleotides. This is why DNA replication is described as semi-conservative, half of the chain is part of the original DNA molecule, half is brand new.
Which of the following statement is not applicable on DNA replication?
When an incorrect base pair is recognized, DNA polymerase moves backward by one base pair of DNA. The 3’5′ exonuclease activity of the enzyme allows the incorrect base pair to be excised (this activity is known as proofreading). So, the incorrect statement is D.
Which option is not true for DNA?
The correct option: The structure which is not true for a DNA molecule is B.Single-stranded
Which one of the following statements correctly describes how DNA is replicated?
Which one of the following statements CORRECTLY describes how DNA is replicated? During DNA replication, complementary nucleotides are added to the separated strands of the original DNA by enzymes. Which one of the following bases would a nucleotide contain if it were paired to a nucleotide containing thymine?
What is DNA replication quizlet?
DNA replication is the process of producing two identical copies of DNA, in which each template for the synthesis of a new complementary daughter strand.
What are the 3 rules of DNA replication?
The rules are: 1. Replication is a Semi-conservative Process 2.Replication has Direction 3. Replication Starts off a Unique Point on Bacterial and Viral Chromosomes 4.
What is true replication?
A DNA molecule replicates to form two identical copies of itself. During the cell cycle, replication occurs at ‘S’ phase. DNA replication is a semiconservative process, in the newly formed double-stranded DNA, one strand of original DNA is retained, which acts as a template for the formation of another strand.
What does DNA replication do?
DNA replication is the process by which a molecule of DNA is duplicated. When a cell divides, it must first duplicate its genome so that each daughter cell winds up with a complete set of chromosomes.
Which of the following is not correct about DNA?
DNA strand contains pentose – 2 – deoxyribose sugar. Thus, option (C ) is incorrect.
Which of the following statements about the process of DNA replication is incorrect?
Which of the following statements about the process of DNA replication is incorrect? Many different enzymes are needed for the process to function properly. Uncorrected mistakes introduce mutations into the DNA base sequence. Mistakes in the copying process are very common occurrences.
What does not happen in DNA replication?
The DNA replication occurs at the synthesis phase of the cell cycle. The cell cycle is regulated at each stage. If DNA replication does not occur, then the cell cycle will not proceed to the next stage and the subsequent division will not happen.
What are the 4 requirements for DNA replication?
There are four basic components required to initiate and propagate DNA synthesis. They are: substrates, template, primer and enzymes
Which of the following is not true about DNA?
DNA strand contains pentose – 2 – deoxyribose sugar. Thus, option (C ) is incorrect.
What is true about DNA?
Nearly every cell in a person’s body has the same DNA. The information in DNA is stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T). Human DNA consists of about 3 billion bases, and more than 99 percent of those bases are the same in all people.
Which one is not found in DNA?
DNA does not contain uracil. RNA contains Uracil in place of Thymine, which is the pyrimidine base of DNA.
What are the four base options for DNA?
There are four nucleotides, or bases, in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T).
Which of the following correctly describes the DNA replication?
Which statement correctly describes the process of DNA replication? Explanation: DNA replicates in a semiconservative process. Parental strands are used as templates to synthesize daughter strands, which remain adhered to the parental template creating hybrid molecules of old and new DNA.
Which of the following statements best explains the mechanism for DNA replication choose 1 answer?
Which of the following statements best explains the mechanism for DNA replication? DNA replication is semi-conservative, because each DNA strand serves as a template during replication. As the two strands of DNA unwind from each other, each acts as a template for synthesis of a new, complementary strand.
Which statement best describes the purpose of DNA replication?
The purpose of DNA replication is to produce two identical copies of a DNA molecule. This is essential for cell division during growth or repair of damaged tissues. DNA replication ensures that each new cell receives its own copy of the DNA.
Which of the following statements accurately describes the difference between DNA replication?
Which of the following statements accurately describes the differences between DNA replication in prokaryotes and DNA replication in eukaryotes? Prokaryotic chromosomes have a single origin of replication, whereas eukaryotic chromosomes have many.
What is DNA replication explain?
DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
What is the definition of DNA replication quizlet?
DNA replication definition. the process in which one DNA molecule produces two identical DNA molecules, occurs before the cell divides
What is replication quizlet?
Definition: The process of a double-stranded DNA being copied to produce an identical double-stranded DNA. Sentence: DNA replication is the basis of heredity. DNA Replication.
Why is DNA replication important quizlet?
The sole purpose of DNA replication is to generate identical DNA molecules, as they are the blueprint that makes life possible. Each half of the parental molecule can serve as template for the synthesis of new DNA strand, and the new double stranded DNA molecule has one new strand and one old strand.
What happens in step 3 of DNA replication?
Step 3: Elongation In bacteria such as E. coli, polymerase III is the main replication enzyme, while polymerase I, II, IV and V are responsible for error checking and repair. DNA polymerase III binds to the strand at the site of the primer and begins adding new base pairs complementary to the strand during replication
