Which of the following best describes a stop codon?

Q: It is conceivable for codons encoding a single amino acid to share the first two bases while…

A: Protein synthesis occurs in all organisms in two main steps: transcription and translation. DNA…

Q: How many bases/nucleotudes make up a codon?

A: A nucleotide is a fundamental building block of nucleic acids, which include DNA (deoxyribonucleic…

Q: What is meant by the statement “The genetic code is universal”? What is the significance of this…

A: Genetic code is the code for the expression or improvisation of proteins which comes from DNA via…

Q: 64 codons specify 20 amino acids. There are two characteristics of codons: 1. No ambiguity: Each…

A: Genetic code is the sequence of nucleotides which specify amino acids.

Q: Now we need to know which amino acid the tRNA is carrying. We can do this on paper using the…

A: Strand mRNA codon tRNA anti-codon AA(short) AA(full name) Strand1: C-G-T-T-A-T-C-T-C-A-T-A-G-C-T…

Q: An RNA polymer is made by using the enzyme polynucleotide phosphorylase with equal quantities of CTP…

A: Answer : glycine, proline, alanine, arginine,  The possible codons can be  CCG CGC GCC GGC GCG CGG

Q: Which of the following sequences is most likely to form an a helix?

A: An alpha helix is a sort of secondary structure, which describes how a protein's main chain is…

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: 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: How many different DNA sequences could code for amino acid sequence Met-His-Leu-Thr-Trp-Lys?  (Note:…

A: DNA is a hereditary molecule. It carries the genetic information that is passed from one generation…

Q: If the wild-type codon is GUU, which of the following single-nucleotide polymorphisms lead to a…

A: Understanding the impact of single-nucleotide polymorphisms (SNPs) on amino acid sequences is…

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: The genetic code uses three bases to encode one amino acid. Why can't the code use only two bases to…

A: Genetic code is a triplet code that consist a set of three nucleotide bases, known as codons. Each…

Q: How many comparisons are needed to count the number of duplicates in a list? How many comparisons…

A: Codons are triplets of nucleotides (4 types of nucleotides, A, U, G, C) found on mRNA sequence which…

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: Which of the following stretches of RNA is most likely to form a hairpin with 4 bases making up the…

A: A nucleotide (pentose sugar + nitrogenous base + phosphate group) is a phosphoric acid ester of a…

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 amino acid is coded by each codon? Note: Reference the Genetic code table for additional…

A: In molecular biology, the genetic code is the set of rules used by living cells to translate…

Q: What is the DNA sequence that encodes the codon AAG, with 5’ and 3’ ends labeled

A: The DNA sequence that encodes the codon AAG with 5' and 3' ends labelled must be TTC from 3' to 5'…

Q: From the following DNA strand: AAGCTAGGATTGCC How many codons would be present?

A: A codon is made up of three nucleotides. Such codons are abundant in messenger RNA and consist of a…

Q: result

A: Transition mutation is nothing but the replacement of one purine nucleotide with other and one…

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 could be the effect of a deletion, substitution or addition that alters the sequence of the…

A: Stop codon is a nucleotide triplet which is present in mRNA. This is also known as termination…

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.