Two possible point mutations are the substitution of lysine for leucine or the substitution of serine for threonine. Which is likely to be more serious and why?

Q: Can nonsense mutations be reversed by hydroxylamine? Why or why not?

A: Mutations are the events that results in change in the DNA sequence. Mutations can be a result of…

Q: What are Nonsense mutations?

A: Mutation is a sudden change in nucleotide sequence of DNA as well as change in chromosomes number.

Q: A gene contains 30% thymine. What is the percentage of pyrimidines present in this segment? Explain.

A: Purines and pyrimidines are chemical molecules that play a role in the production of DNA and RNA and…

Q: A silent mutation and a missense mutation can both result from

A: Transition mutation refers to a point mutation that changes a purine nucleotide to another purine (A…

Q: What base pairs in substitution mutation for tay Sachs get switched?

A: Answer: Tay Sachs disease = It is an autosomal recessive disorder that affects the central nervous…

Q: What is the difference  Between a silent mutation and a neutral mutation?

A: Mutations are the alterations or the changes that occur in the DNA. Mutations are variations in…

Q: What are the effects of Sxl mutations?

A: Mutations are defined as the change in the sequence of DNA of an organism due to any environmental…

Q: Why will a mistake in the RNA code alone not become a mutation?

A: A change in the genetic code is called a mutation when it becomes a permanent part of the genome of…

Q: Which of the following is an example of a beneficial mutation?

A: Some mutations have positive effect on organism in which they occur are called beneficial mutations.…

Q: What is point mutation.give one example?

A: Mutations are the alterations or the changes that occur in the DNA. Mutagens are the agents that are…

Q: ______ mutations in the coding sequences of a gene maymodify the amino acid sequence of the…

A: Mutations are defined as the change in the sequence of DNA of an organism due to any environmental…

Q: What is the difference between a germline mutation and a somatic mutation?

A: A mutation is a biological process occurring in the Deoxyribonucleic acid (DNA) sequence due to…

Q: What mutations are possible in gene ZFPM2?

A: ZFPM 2 is a multi zinc finger protein. It helps in transcription regulation of certain genes by…

Q: Which of the following point mutations would properly be defined as a transition mutation?  the…

A: The substitution mutations of DNA are of two types: Transitions and Transversions. Transitions are…

Q: What is the role of deoxyribonucleic acid DNA?

A: The four important biomolecules found in the cell are carbohydrates, amino acids, lipids, and…

Q: What is the difference between a missense mutation and a nonsense mutation?

A: Mutation is defined as the sudden and permanent change in the nucleotide sequence of DNA. It causes…

Q: A nonsense mutation occurs in the AB sequence. What would be the most significant outcome of this?

A: Metabolic pathways- Metabolic pathway is a linked series of chemical reactions occurring within a…

Q: What is a driver mutation?

A: Mutations are defined as the change in the sequence of DNA of an organism due to any environmental…

Q: Which form of flavin adenine dinucleotide is the "reduced" form, FAD or FADH2? Explain

A: Flavin Adenine Dinucleotide: It is a redox active coenzyme associated with various proteins, which…

Q: What is the difference between a missense mutation and a nonsense mutation? Between a silent…

A: Gene mutations involve alteration in the structure of genes which alters or modifies the structure…

Q: Which mutation is lethal?

A: The mutation is the change that occurs in the DNA sequences due to environmental factors or by…

Q: Which of the following is TRUE regarding point mutations?

A: Answer - Option D - Insertions and deletions can be more harmful than substitutions because they can…

Q: Isoleucine to phenylalamine is a non conservative mutation???

A: All amino acids have different properties.

Q: Which form of Retinoblastoma typically results in unilateral disease and exhibits 2-hit mutational…

A: Retinoblastoma is a cancer that affects the eyes. It is specifically a cancer of retinal layer of…

Q: What mutagen causes thymine dimers, and why does it kill cells?

A: A mutation occurs/happens when the sequence/structure of DNA changes. Mutations can occur/happens as…

Q: Among the different types of amino acid substitution (same sense, missense, or nonsense mutations),…

A: Introduction A mutation is a change in the DNA sequence of an organism, either as the result of…

Q: What is the reason why "AUTOcoids" changed to AUTACOIDS? Are there implication of the change

A: Autacoids or "autocoids" are biological factors which act like local hormones, have a brief…

Q: Which is generally more serious—a missense mutation or a nonsense mutation?

A: A mutation occurs/happens when the sequence/structure of DNA is altered. Mutations can occur as a…

Q: What is point mutation? Give one example.

A: Mutations are the alterations or the changes that occur in the DNA. Mutagens are the agents that are…

Q: . Can a missense mutation of proline to histidine bemade with a G • C → A • T transition-causing…

A: A missense mutation is a point mutation that occurs in a codon that codes for a different amino acid…

Q: What is a forward mutation?

A: Mutations are the sudden heritable changes within a genome of an individual. It changes the DNA…

Q: What mutagen results to the formation of thymine dimers?

A: Asked : Mutagen which results to the formation of thymine dimers

Q: What mutations can be caused by a single base change in coding exons?

A: A mutation is  any kind of alteration in the DNA/mRNA sequences. It is mainly caused due to the…

Q: What does colchicine do to the cell's size and how does it cause mutation to cells?

A: Colchicine are generally called as anti-gout agents, which works by arresting the natural processes…

Q: Why are suppressor tRNA mutations not lethal?

A: Mutation can be defined as the change in the DNA sequence. It may be harmful or beneficial. It is…

Q: What are Somatic mutations ?

A: Answer- Mutation is any genetic change in the sequence of the DNA that may lead into abnormality in…

Q: What is base substitution in Gene Mutations ?

A: What is base substitution in Gene Mutations ?

Q: why would a mutation complex 1 usually not result in immediate death ? And while blocking complex IV…

A: Electron transport chain is responsible for the oxidation of NADH and FADH2 which results in the…

Q: If we have the following mutations, find the type of the mutation (silent or missense or nonsense?)…

A: In gametes, germline mutations occur. Some body cells may also be affected by somatic…

Q: What is dominant mutation ?

A: A dominant gene or a dominant version of a gene is a particular variant of a gene which expresses…

Q: Does transversion occur, If a purine replaces a pyrimidine, or vice versa ?

A: DNA substitution mutation is a type of mutation in which the nitrogenous bases undergo replacement…

Q: Why are frameshift mutations likely to be more detrimental than point mutations, in which a single…

A: A mutation is a permanent change in the DNA of a cell such that the sequence deviates from what is…

Q: What is nonsense mutation ?

A: A mutation is any change in a cell’s DNA sequence. It may change one or more base pairs. The effects…

Q: Using sickle-cell anemia as an example, describe what is meant by a molecular or genetic disease.…

A: Sickle-cell anemia is an autosomal recessive trait. The disease is controlled by a single pair of…

Q: What is the nature of the prion mutation that leads to extreme sensitivity to prion disease?

A: A misfolded protein can be defined as a protein that cannot get back to its normal native state due…