How might a single base pair difference about 100 bases before the start codon of a gene cause a mutation in that gene?

Q: What are the Evidence that most amino acids are specified by more than one codon?

A: Introduction Genetic code is in the form of triplets, with the total of four nucleotides available…

Q: what are the start and stop codons?

A: Genetic code is the sequence of nucleotides in deoxyribonucleic acid (DNA) and ribonucleic acid…

Q: If a single strand of a gene contains 678 bases, how many amino acids result in the polypeptide…

A: The biochemical substance that is carried from the preceding generation to the succeeding generation…

Q: What is the rule for the pairing of nitrogen-containing bases in the DNA molecule? And in the RNA?…

A: Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are two main nucleic acids (RNA). From…

Q: Does changing the sequence of nucleotides always result in a different amino acid sequence? Explain.

A: Amino acids are molecules that combine to form proteins, They are encoded by specific sequences of…

Q: What are the functions of start and stop codons? Giveexamples.

A: Genetic code is the sequence of nucleotides in deoxyribonucleic acid (DNA) and ribonucleic acid…

Q: Is it reasonable that codons for the same amino acid have one or two nucleotides in common? Why or…

A: Proteins are synthesized via translation of mRNA> The tripeptide sequence on the mRNA that codes…

Q: What are the codons for the variations amino acid?

A: Amino acids are organic compounds that combine to form proteins, which are the building blocks of…

Q: What two types of molecules are involved when a codon pairs with its anticodon?

A: Ans. Genetic code is a term used to identify the four bases of DNA, A, C, G, and TS, in a way that…

Q: Is it possible to have a mutation in nucleotide four that would produce the same amino acid? If yes…

A: A nucleotide is an organic molecule that is the building block of DNA and RNA.They also have…

Q: What are the known exceptions to the genetic code?

A: Genetic code:  Genetic code is the term wherein each three nucleotides (out of four) in a row is…

Q: Which of the following is not a characteristic of codon?

A: In this question, we have to explain which statement is not correct about the characteristics  of…

Q: What is a codon?

A: More than 150 amino acids are found in nature , but only 20 are synthesized during protein…

Q: What would be the effect of an insertion or deletion of one of the bases in a codon?

A: Mutation may be defined as change in single or multiple base pairs resulting in altered phenotype.…

Q: Can exons be non coding?

A: The DNA is the information hub of the cell that contains instructions in the form of genes to…

Q: Is there a start codon instead of AUG? What is its name and what does it encode?

A: A reading frame includes a start codon and a stop codon.

Q: The anticodon 3’-CUG-5’ can base pair with which codon in mRNA?

A: Introduction :- A trinucleotide sequence at one end of a transfer RNA (tRNA) molecule that is…

Q: What do you mean by initiator codon ?

A: A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or…

Q: How many bases are in one codon? *

A: A codon is a sequence of three RNA nucleotides on the messenger RNA (mRNA)  that corresponds with a…

Q: What is the function of a stop codon?

A: Codon -- A codon is a specific type of genetic code which carries certain type of important…

Q: How many bases make up a codon?

A: The flow of genetic information from DNA to mRNA to proteins is central dogma where the process of…

Q: Why do you expect to encounter a stop codon about every 20 codons or so in a random sequence of DNA?

A: During the translation process, the termination step occurs when the Stop codon in mRNA comes and…

Q: What is the third base wobble position? How could third base wobble pairing occur between codon and…

A: The question asks about the third base wobble position. The occurrence of third base wobbles pairing…

Q: Does a single base-pair substitution in a strand of DNA always result in a new amino acid in the…

A: Transcription is processed to convert DNA into RNA. It is part of the central dogma. It is processed…

Q: Why could a codon not consist of only two bases?

A: The genetic information of DNA is based on the nucleotide base sequences. These sequences are…

Q: What is the numeric relation between pyrimidine and purine bases in the DNA molecule? Is that…

A: DNA and RNA are nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid whereas…

Q: What Are the Rules In Codon-Anticodon Pairing?

A: Question - What are the Rules in Codon-Anticodon pairing ?

Q: What codons are used and with what frequency?

A: mRNA is translated to form proteins. mRNAs contain trinucleotides sequences that are called codons.…

Q: What is the difference between an endonuclease and an exonuclease?

A: Deoxyribonucleic acid or (DNA) is a molecule that contains the genetic code of the organisms. DNA…

Q: If one codon codes for two nucleotide than how many possible codons are there?

A: To find: How many codons are possible if one codon codes for two nucleotides

Q: What is the significance of the fact that many synonymous codons differ only in the third nucleotide…

A: Codons are the three consecutive nucleotides on mRNA which specify amino acids or stop signal for…

Q: Explain what is meant by stating that the genetic code is triplet and nonoverlapping? What did the…

A: The genetic code may be defined as the exact sequence of DNA nucleotides read as three letter words…

Q: How can you identify the start codon in the mRNA sequence ?

A: mRNA sequence During the process of translation, mRNA is read on the basis of genetic code that…

Q: How many nucleotides in a row make one codon?

A: A codon is a sequence of DNA or RNA nucleotides that corresponds with a specific amino acid.

Q: What types of mutations occurred in DNA-(b) and DNA-(c)? What codons are found in the mRNA for the…

A: Introduction Deoxyribonucleic acid (DNA) is a molecule made up of two polynucleotide chains that…

Q: Which of the following is an RNA nucleoside?

A: Nucleosides- these are the compounds which contains only sugar and base and no phosphate groups are…

Q: Why is wobble tolerated in the third position of the codon but not in the first two?

A: Deoxyribonucleic acid(DNA) carries genetic information required for the survival of living organisms…

Q: What do you understand by the degeneracy of codon? Give example

A: The DNA contains the information needed for the functioning of all living things in the form of…

Q: What is the Evidence that a codon is composed of more than one nucleotide?

A: A codon refers to a specific sequence of deoxy ribonucleotide (DNA) or ribonucleic acid (RNA), which…

Q: What are the codons and "stop" codons?

A: The relationships between codons and amino acids which are also known as stop signals is define as…

Q: Does changing the sequence of nucleotides always result in a different amino acid sequence? Explain

A: Amino acids are compounds containing carbon, hydrogen, oxygen, and nitrogen. They serve as monomers…

Q: Define the mutations of the second base of triplet codons ?

A: Alteration of single base pair is called as point mutation. Point mutations can have one of three…

Q: What is the Evidence that each nucleotide is part of only one codon?

A: DNA is the genetic material that carries genetic information in the form of coded nucleotide…

Q: Why don’t cells need one tRNA for each codon?

A: tRNA : Transfer RNA : It is a type of a molecule that helps decode mRNA sequence into protein.…

Q: How does the synthesis of a polypeptide chain come to an end when a stop codon is encountered?

A: The translation is the process, in which the polypeptide is formed from the incorporation of the…

Q: If there are 64 codons, how can there be fewer than 64 tRNA molecules?

A: An adapter molecule made of RNA, generally 76 to 90 nucleotides in length (in eukaryotes), that acts…

Gene Interactions

When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.

Gene Expression

Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.