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

Q: How does transcription work around the nucleosomes?

A: Transcription is a process in which a specific part of DNA is copied into mRNA through the enzyme…

Q: what are the start and stop codons?

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

Q: What is Histone Modification?

A: Histones are proteins that forms the primary structure of chromosomes. DNA  binds around the histone…

Q: What are some characteristics of introns?

A: Introns are the noncoding, intervening sequence of deoxyribonucleic acid (DNA) within a gene. These…

Q: If the genetic code were overlapping, how many complete codons would the followingsequence encode…

A: The process by which mRNA is translated to the amino acid sequence is termed as translation. It…

Q: How tRNA responds to redundant codons?

A: During the process of translation, tRNA gets charged by picking up particular amino acid. The…

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: The nearly universal genetic code consists of how many codons?

A: Genes are the unit of heredity and they are made up of triplet genetic codons. These codons are…

Q: What do pseudogenes and introns have in common?

A: It has been found that the human genome may contain 20,000 pseudogenes and pseudogene fragments…

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: 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: What are repetitive sequences ?

A: DNA( deoxyribonucleic acid) is the double-stranded molecule that is the genetic material in most…

Q: Why must a polypeptide sequence begin with a designated Start codon?

A: There is an intimate connection between genes and synthesis of polypeptides or enzymes. Genes are…

Q: Describes an anti-codon?

A: According to Central Dogma :- Genetic instructions are transferred from DNA to RNA and then RNA to…

Q: How are histone tails modified?

A: Histones are a family of basic proteins, which associate with deoxyribonucleic acid (DNA) in the…

Q: What is translation? Explain the role of codons in this process.

A: Note: As Per Bartleby Guidelines only one question is answered. For further answers repost the…

Q: Which CodonsRepresent Which Amino Acids?

A: Protein plays an important role in structural and functional unit in the body. Proteins are made up…

Q: What are the key characteristics of the genetic code?

A: The genetic code is a series of rules that living cells use to convert information found in genetic…

Q: According to wobble rules, what codons should be recognized by the follow- ing anticodons? What…

A: Wobble pairing was defined as the base-pairing with two nucleotides that do not follow Watson-Crick…

Q: What is the start codon? What are the stop codons? Do any of them code for amino acids?

A: Start codon can be defined as first codon of a messenger RNA transcript which is translated from a…

Q: What is the “second genetic code”?

A: The genetic code is the set of rules used by living cells to translate information encoded within…

Q: What is noncoding RNA?

A: The RNA contains four nitrogenous bases and posses a similar primary structure with that of protein.…

Q: What is the function of histones?

A: Chromosomes are thread-like structure situated inside the nucleus of plant and animal cells. Each…

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: What is the genetic code? Explain!

A: The sequence of nucleotides on DNA which determines the sequence of amino acids in a polypeptide…

Q: What is the function of histone?

A: The folding of the DNA molecule into a compact, orderly structure that fits into the limited space…

Q: which exons become spliced together?

A: Splicing is the editing of the nascent precursor messenger ribonucleic acid (RNA) called pre-mRNA…

Q: What is an intron and an exon

A: Messenger RNA (mRNA) is a single-stranded RNA molecule that is complementary to one of the DNA…

Q: How does the presence of introns aid exon shuffling?

A: Exon shuffling is a mechanism, where two or more exons from different genes brought together,  or…

Q: what are Pre-mRNAs?

A: RNA is the ribonucleic acid involved in a biological process like gene expression. There are four…

Q: What is the function of the anticodon of a tRNA?

A: tRNA is basically a messenger molecule that helps in decoding of mRNA and helps in the formation of…

Q: What causes exon shuffling?

A: Exon shuffling is a molecular mechanism for the formation of new genes. It is a process through…

Q: In what ways does the double helix explain the essential properties of a gene?

A: DNA Double Helix The three dimensional structure of DNA, first proposed by James D Watson and…

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: 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 types of proteins are known to be translated using an alternate start codon?

A: The start codon is the first codon of a messenger RNA transcript translated by a ribosome.

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: What are histone tails?

A: Chromosomes appear at the time of cell division in the form of thread like structures inside the…

Q: What are the four major types of introns?

A: Introns are the non-coding sequence found in the genome. These are nucleotide sequences that do not…

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: How termination codon is recognized ?

A: DNA contains both coding and non-coding region where introns are non-coding regions and exons are…

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: 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: Which CODON is the Start one?

A: 20.   Translation of mRNA always begins with the start codon AUG which codes for methionine.…

Q: Name the two initiating codons?

A: From the central dogma concept, we knew there is an intricate connection between genes and synthesis…

Q: What are the amino acid coded for each of these codons? 1.  UUA 2.  AUU 3.  UGU 4.  AAA 5. GAG…

A: Genetic code is universal i.e. With only minor exception, a single coding dictionary is used by…

Q: Which base pairings account for wobble at the third codon–anticodon position?

A: Wobble hypothesis is the base pairing of two nucleotides in an RNA molecule that does not follow the…

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.