Explain what mutations are and the role of DNA repair mechanisms.

Q: Describe the potential consequences for human healthof mutations in genes that specify DNA repair…

A: Mutation in a gene is a permanent change in the sequence of DNA molecule. These mutations serve as…

Q: Can DNA Be Repaired?

A: Deoxyribonucleic acid (DNA) is a molecule which is composed of two polynucleotide that coil around…

Q: List the functions of mutation?

A: Mutations can be defined as the change in the nucleotide sequence of the original genome. It can be…

Q: Define mutations and explain their causes and categories.

A: The genome is made up of one to several long DNA molecules, and mutations can occur on these…

Q: What are the three main steps for repairing the DNA damages such as the deamination of cytosine…

A: Despite the elaborate proof-reading employed during DNA synthesis, erros can occur. In addition, DNA…

Q: Define about the DNA methylation ?

A: DNA (deoxyribonucleic acid) is the hereditary or genetic material present in most of the living…

Q: explain how mutagens can cause mutations and the impact mutations have on protein synthesis and…

A: A mutation is a change in our DNA sequence that arises as a consequence of errors during DNA…

Q: describe the different types of mutations?

A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…

Q: Distinguish between an inherited and a de novo mutation.

A: DNA ( deoxyribonucleic acid) is the genetic material that the organism inherits from the parental…

Q: Outline the steps in the process of DNA replication and how they relate to the requirements of DNA…

A: DNA replication is a biological process in which two identical copies of the DNA are produced from…

Q: Explain how errors in DNA replication can cause mutations?

A: Deoxyribonucleic acid (DNA) replication is the biological process by which a double-stranded DNA…

Q: Describe natural processes that can produce mutations by damaging DNA?

A: DNA damage refers to any damage in the chemical structure of the DNA molecule whereas the mutation…

Q: Explain why errors in DNA replication are rare events in cells?

A: The enzyme DNA polymerase III adds complementary base pairs opposite the template strand's bases…

Q: Explain why DNA repair is necessary.

A: During deoxyribonucleic acid (DNA) replication process, the incorrectly paired bases are corrected…

Q: explain DNA Repair Mechanisms?

A: DNA (Deoxyribonucleic acid) is the genetic material. It is a double-stranded helical structure, the…

Q: List two specific examples of DNA damage and what causes it

A: Step 1 of 2:)   DNA damage is caused by many things this damage can lead to mutations which can…

Q: Define what are DNA replication errors ?

A: DNA replication is the biological mechanism in which two similar replicas of DNA are generated from…

Q: Describe the main events in the transcription of geneticinformation from DNA into mRNA?

A: Introduction  A genome is consists of transcriptionally active genes. These genes form mRNA as they…

Q: List the general features of DNA repair systems

A: DNA can be defined as the type of hereditary material which is common in humans. It is a nucleic…

Q: Explain about suppressor mutation ?

A: Suppressor mutation is a second mutation.

Q: What is meant by “error-prone” DNA repair?

A: DNA replication is a process in which two DNA molecules are synthesized from a single DNA molecule.…

Q: DNA glycosylase inhibitors are used to study which DNA repair mechanism?

A: DNA glycosylase inhibitors are used to which DNA repair mechanism?

Q: how Mistakes in DNA Replication AlsoCause Spontaneous Mutations?

A: Spontaneous mutations occur naturally and do not require any mutagen factors and they are the…

Q: How/or which the DNA repair mechanism fixes each mutation?

A: Excision is that the general mechanism by that repairs and are created once one in every of the…

Q: Describe the ways mutations can affect DNA and chromosomes.

A: Mutations are sudden heritable changes that cause damages in DNA and affect the bases. This may…

Q: Describe and give examples of direct reversal of DNA damage.

A: Direct reversal of DNA Damage is also called Direct Repair.  This system act on damaged nucleotides.…

Q: Define and indicate the significance of DNA ligase

A: DNA ligase is an enzyme that can join two strands of DNA. It creates a phosphodiester bond between…

Q: How many DNA repair mechanisms are there?

A: The genetic information of a cell is preserved through a variety of techniques. DNA repair is…

Q: explain Nucleotide excision repair

A: Nucleotide excision repair is one of the defined methods of DNA repair. It is characterized by the…

Q: how can breakdown in dna repair play a key role in the development of human cancers?

A: DNA can be changed by the copying errors introduced by DNA polymerase during replication.…

Q: What is an example of a disease or a disorder that results from an error in DNA replication? What…

A: Errors in DNA replication is called as mutation. This results in the change in sequence of DNA which…

Q: Distinguish between spontaneous and induced mutations.

A: Mutations are sudden change in structure or number of chromosomes. There are various types’ of…

Q: List six types of DNA repair. Explain the basic features of each.

A: DNA is a genetic material which passes genetic information from one generation to other. Usually is…

Q: Define the silent mutation in DNA

A: Mutation occurs due to sudden change in DNA structure and sequence which results in either gain or…

Q: Describe some mutation repair mechanisms.

A: Mutations are the change in the genetic sequence of the individual due to external factors. If these…

Q: Define about DNA Transposons ?

A: Introduction :- DNA is a substance found inside cells that carries genetic information and passes it…

Q: List at least three different types of DNA repair and briefly explain how each is carried out.

A: Deoxyribonucleic acid (DNA) repair is a biological that involves repairing damaged DNA sequence due…

Q: explain how and why damage to DNA is repaired

A: DNA is a polymer made up of two polynucleotide chains that coil around each other to form a double…

Q: Define DNA methylation, and explain how it affects transcription.

A: Deoxyribonucleic acid (DNA) is the hereditary unit of life, which carries the genetic information in…

Q: Explain the substrates of DNA and RNA polymerases, and the function of this 2 polymerase?

A: Answer: Introduction: The semi-conservative replication means in which two copies of original DNA…

Q: List mechanisms by which cells can repair damaged DNA and correct replication errors?

A: DNA repair is a multistep process that is associated with the function of recognizing the damage in…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.