Which amino acid is predominantly used to add an NH2 moiety during the de novo biosynthesis of nucleotides? Arginine Asparagine Glutamine Lysine Next

Q: What is the committed step in the synthesis of nucleotides? Synthesis of phosphoribosylpyrophosphate…

A: Nucleotide synthesis occurs by two different processes from purine Nucleotide synthesis and…

Q: A protease used in digestion of proteins in the small intestines, but is also an enzyme used in…

A: Protein digestion in our body involves many enzymes which breaks it into smaller polypeptide and…

Q: What is the role of his119 in the RNase-catalyzed hydrolysis of RNA, as indicated in the Figure…

A: Enzyme are proteins that catalyse biochemical reactions. The substrate binds to active site of the…

Q: Describe the structure and function of tRNA

A: BASIC INFORMATION  RNA  It stands for Ribonucleic acid. They are of three types;  messenger RNA…

Q: Name the enzyme responsible for binding of aminoacid to trna?

A: Ribonucleic acid (RNA) is a biomolecule that plays important role in coding, decoding, and…

Q: What amino acid sequence is coded by the following mRNA base sequence?

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

Q: Describe how two amino acids are combined to form apolypeptide.

A: The translation is the process of building the polymers of protein where the amino acids sequence…

Q: The 20 different amino acids in the protein are normally coded by ------ nucleotides. * 60 61 62 63

A: Nucleotides are building blocks of nucleic acids. Three mRNA nucleotides present together are known…

Q: In the amino acid sequence below, the amino acid residue in red was shown to be essential to the…

A: Peptides or proteins are composed of twenty standard amino acids. These standard amino acids differ…

Q: Consider the following peptide sequence: Met-Ser-Val-Thr-Ile-Lys-Ala-Cys-Leu-Ser-lle-Tyr-Phe-Ser…

A: Structure of a protein or a peptide is described in four levels: primary, secondary, tertiary and…

Q: Match the post-translational protein modification to its function.   Creates new binding sites by…

A: Post translation modification of proteins are modification  reactions,which involves the addition of…

Q: What are the 3 steps of amino acid degradation:

A: Amino acids are biomolecules that act as the building blocks of proteins. Biologically important…

Q: In bacteria which ribozyme catalyzes synthesis of peptide bonds between amino acids? 16S rRNA 5S…

A: the translation is the process by which the messenger rna is converted into polypeptide .

Q: Which amino acid residue is preferred at which position in the following peptide for cleavage by…

A: Amino acids are the monomers for the formation of proteins and peptides, they contain alpha or a…

Q: Explain the amino–imino forms of cytosine and adenine ?

A: Watson and Crick showed a mechanism for the spontaneous occurrence of transitions. Some of the…

Q: Consider, for example, that a particular serine residue is phosphorylated to activate the protein.…

A: Phosphorylation can either activate or deactivate a protein. Phosphomimetics replaces amino acids in…

Q: Which amino acid is classified as neutral and non-polar?

A: Amino acids when joined together by a peptide bond synthesizes the protein molecules. Amino acids…

Q: Which letter in the diagram below is pointing to the anticodon

A: A trinucleotide sequence that is complementary to a corresponding codon in a messenger RNA sequence…

Q: It is important for a protease to distinguish between two different proteins so that it only cleaves…

A: The building blocks of proteins are organic substances called amino acids. They have a side chain (R…

Q: What sequence in the prokaryotic release factors is important to the hydrolysis of the peptide bond?

A: The study of chemical reactions that occurs within living organisms is called biochemistry. This…

Q: Why is selenocysteine called the 21st amino acid when there are many more amino acids found than the…

A: Introduction: The 21st proteinogenic amino acid is selenocysteine. It is an essential amino acid.…

Q: Is N-formyl-methionine used to start translation in eukaryotes? Yes No

A: Translation is the process in which ribosomes synthesize proteins after the process of transcription…

Q: A heptapeptide that puncture the bacterial cell wall has just been recently isolated from the venom…

A: The given flowchart describes the various chemicals that the heptapeptide has been treated with and…

Q: 3. 3' CTT TCT TGT AGT TẠC CGG GTA GAA TAG TTG CTG ACT 5'

A: DNA is the genetic material of most living organisms. The DNA is inherited from the parents and it…

Q: Which of the following sequences represents a recognition site for N-linked glycosylation where X is…

A: N-linked glycosylation, is the attachment of an oligosaccharide,  sometimes also referred to as…

Q: Which of the following statements about the post-translation modification of proteins by…

A:

Q: E. coli ribonuclease H1 is an enzyme that catalyzes the hydrolysis of phosphodiester bonds in RNA.…

A: Carboxylate relay One of the carboxylates ( Asp70) activates water molecule to release the hydroxyl…

Q: The synthesis of a protein requires that the amino acids that constitute the growing polypeptide…

A: In the intricate dance of cellular processes, protein synthesis takes center stage, orchestrating…

Q: Use the codon table shown above to help answer this question. Changing a UUG codon in mRNA to a UAG…

A: Proteins are made up of amino acids in a specific sequence and if mutation occur then the sequence…

Q: Consider an amino acid sequence:…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Consider the Ramachandran plot to answer both questions. Which observation most likely describes…

A: The proteins are polypeptide chains of amino acids. These amino acids are packed into protein…

Q: Why is carboxyl terminal domain (CTD) phosphorylation functionally important?

A: Transcription is the molecular mechanism in which the information in DNA is transcribed into the…

Q: You are in the process of determining theamino acid sequence of a peptide. After trypsin digestion…

A: An amino acid is an organic molecule that is made up of a basic amino group, an acidic carboxyl…

Q: A polypeptide is subjected to the following digestion procedures and the fragments are sequenced.…

A: For this question we just need to to know sites of Trypsin and Cynogen Bromide at which they act and…

Q: Describe charging of tRNA or aminoacylation of tRNA.

A: Transfer RNA or tRNA is a special type of RNA, which is useful in decoding the sequence of messenger…

Q: Please depict a noncovalent interaction important for the function of lysozyme

A: The enzyme lysozyme aid in the breaking down of polysaccharides in the bacterial cell membrane. They…

Q: How many different aminoacyl-tRNA synthetases are there in a cell?

A: Each cell have amino acid and it is different for each cell.

Q: G Which of the following amino acids is most unlikely to be present in a beta sheet? Lysine Valine…

A: Proteins show two types of secondary structural elements. They are1) Alpha helix and2) Beta sheets .…