: Out of the following, is a semi-essential amino acid. A. Methionine B. Tryptophan C. Leucine D. Arginine
Q: Illustrate the two types of reactions by which the amino group is removed?
A: Amino acid catabolism takes place through a series of reactions where the first step is to remove an…
Q: The soul has a way of knowing where to start reading a DNA sequence in order to determine the…
A: DNA is transcribed into a DNA and RNA is translated into proteins that is the DNA is ultimately…
Q: Explain the protein-first hypothesis ?
A: The world of RNA has been known for persuading the theory for the origin of life since the 1980s.…
Q: Are peptide bonds are made only by ribosome and tRNA in vivo?
A: Peptide bonds are formed between amino acids during protein synthesis. After the tRNA properly binds…
Q: Which amino acid is predominantly used to add an NH2 moiety during the de novo biosynthesis of…
A: Denovo synthesis of Nucleotides referes to the process of Synthesis of nucleotides from simple…
Q: NH, SH NH, он HN C. H,N HN PEPTIDE RNGCSN NH, PEPTIDE AHIKP
A: Trypsin is a serine protease that is found in the digestive system of vertebrates where it…
Q: Describe the pathway that leads to the secretion of proteins from cells?
A: The newly synthesizes proteins are localized to the rough ER lumen. All mammalian cells continuously…
Q: Explain the three roles of RNA in protein synthesis.
A: RNA: It is a polymer of ribonucleotides linked together by 3'-5' phosphodiester linkage. In all…
Q: For what reasons is it important to know the structure of a protein? a) Because then you can fold…
A: The proteins are made up of amino acids and the structure of proteins is classified as primary,…
Q: Adenosine triphosphate is an imortant molecule becauseit
A: Electron transport chain is mechanism which takes the electrons from the electron donor and gives to…
Q: __________ are composed of a single linear (unbranching) chain of covalently bound amino acids.…
A: Amino acids are known as the building blocks of protein. These are organic compounds mainly composed…
Q: What are the function of lysine and tryptophan?
A: The amino acids are the building blocks of the protein; the amino acids are the small molecules that…
Q: Three bases on MRNA that translate into an amino acid are called:
A: A translation is a process of conversion of mature mRNA molecules into long chains of a polypeptide…
Q: Genes are made by- (A) Histones (B) Lipoproteins (C) Hydrocarbons (D) Polynucleotides
A: The DNA or deoxyribonucleic acid is the genetic element in living organisms that determine the…
Q: a. Complete the reaction below by providing A, B, C and D b. To which other family of amino acids…
A: Amino acids are linked to each other by the covalent peptide bond and form proteins. The peptide…
Q: What is the nitrogen base only in RNA? A C
A: Step 1 Nucleotides are made up of three subunit molecules – nucleobase, pentose sugar, and three…
Q: Describe the process whereby proteins are directed to theirfinal destinations.
A: Introduction: Proteins are directed by signals that are essential for the proteins to coordinate the…
Q: The enzyme Aminoacyl tRNA synthetase
A:
Q: Why do children need comparatively significant quantities of amino acids like arginine and…
A: Amino acids are a monomers of the polypeptide chain, and they are known to conduct a variety of…
Q: What is RNA?
A: RNA is the short form for Ribonucleic acid and is an important biological macromolecule which is…
Q: During protein synthesis, one amino acid binds to RNA molecules. a) What is this RNA molecule? b)…
A: The process of formation of Amino acids from mRNA molecule is known as translation.
Q: describe what are ribonucleoprotein
A: Nucleoproteins tend to be positively charged thereby enabling interactions with the nucleic acids…
Q: Name two groups of drugs that inhibit nucleic acid synthesis
A: There is a key group of antibiotics that interfere with DNA synthesis by inhibiting topoisomerase,…
Q: Explain how mRNA and tRNA work together to get amino acids into their correct places in the protein.
A: The translation is a process through which the polypeptide chain is synthesized based on the…
Q: What do chaperones assist in? A) Ubiquitinization of proteins B) Protein modification C) Protein…
A: Chaperons are proteins that are present in all living organisms and they are essential for cell…
Q: 3. Polar amino acids is/are: a. Serine b. Tryptophan c. Tyrosine d. Valine е. Lysine
A: Amino acids are building blocks of protein which is made up of an amino group, carboxylic group and…
Q: Describe the effect of the substitution mutation in a sequence of amino acids.
A: Mutation is defined as a change in the sequence of DNA that occurs as a result of DNA copying errors…
Q: Name an enzyme that acts on each molecule.(a) Lactose (b) Protein (c) RNA
A: Enzymes are the proteins that act as a catalyst to carry out the chemical reaction. The enzyme acts…
Q: Gene are made of what
A: The genetic material is responsible for the inheritance of characters from one generation to the…
Q: Describe how amino acids are removed from the body
A: The liver controls the amino acid concentration within the body, as excess amino acids which got to…
Q: What carries the genetic information in all cells? A. ribonucleic acid B. deoxyribonucleic acid…
A: According to the cell theory which was postulated by Theodor Schwann, living things are made up of…
Q: A ribozyme is a. a complex between RNA and a protein. b. an RNA that encodes a protein that…
A: RNA or ribonucleic acid is a single stranded molecule, which is formed after the transcription…
Q: How would protein synthesis be different if there were no chaperones?
A: Chaperons are proteins that help other proteins to fold or unfold. They also play a role in the…
Q: Describe the five steps of protein biosynthesis.
A: The synthesis of polymeric biomolecules can be considered in terms of initiation, elongation, and…
Q: The study of the b-globin gene helped establish the one gene-one polypeptide relationship. Which of…
A: Mutation is a random process. It leads to change the nucleotide in a sequence of a gene.
Q: A release factor is referred to as a “molecular mimic” because its structure is similar to a. a…
A: Translation is a process of translating the sequence of messenger RNA molecule to amino acid…
Q: What sort of molecule would benefit from the action of chaperone proteins? А. GRNA. В. Hydrophobic…
A: The proteins are made up of amino acids that binds together by peptide bonds. Different types of…
Q: List 10 essential amino acids in humans. Why are theyessential?
A: Amino acids are classified based on the need in living organisms into three types and they are…
Q: Write the decarboxylation process for: a) serine, b) histidine, c) tryptophan.
A: Amino acids are biomolecules with a central carbon atom attached to an amine, carboxyl, and an R…
Q: If a gene is mutated, then it may consequently affect the expressed in the central dogma which then…
A: The flow of information in central dogma is DNA→RNA→Protein.
Q: What is the first proteogenic amino acid to be discovered? a. aspartic acid b. lysine c.…
A: The amino acids that are biosynthetically integrated into proteins during translation are known as…
Q: How the amino acid tryptophan can be synthesized ?
A: Biomolecules are organic molecules made up of mainly carbon and hydrogen but there are other…
Q: Briefly explain how an epitope can be used to study how many subunits are in a protein complex.
A: Protein is a type of macronutrient that is essential for building the muscle mass. It is commonly…
Q: Give an example of how the change in primary sequence can change the function of a protein.
A: Protein structure plays important role in cellular functions as well in the body. These proteins…
Q: Which enzyme links amino acids together? (a) ribozyme (b) peptidyl transferase (c) DNA…
A: The organic compound that will combine and form the protein is called an amino acid. Amino acids are…
Q: A mutation leads to a change in one amino acid in a protein. The result is that the protein no…
A: Genome is a dynamic in nature. It is subject to inheritable genetic change. A sudden inheritable…
Step by step
Solved in 3 steps
- Choose any/all amino acids that have an uncharged/polar R group at physiological pH. ARG-ARGININE LYS-LYSINE VAL-VALINE GLN-GLUTAMINE ASN-ASPARAGINE ILE-ISOLEUCINEWhich of the following 1-C unit:carrier pairing is/are correct? a.biotin:C02 b.THF:-CH2- c.THF:CHO d.S-adenosylmethionine:-CH3Which amino acid metabolism is affected in Alkaptonuria? a. Phenylalanine b. Histidine c. Tryptophan d. Tyrosine
- Which of these peptides is the most hydrophobic? A. KFYV B. ERSC C. PIMFGlutamic acid (Glu) is encoded by GAA and GAG, while Glutamine (Gln) is encoded only by CAA and CAG. Which of the following amino acids will NOT be found in the resulting polypeptide? a. Lys b. His c. Glu d. GlnWhich of following is purely Ketogenic amino acid? a. Tyrosine b. Leucine c. Phenylalanine d. Tryptophan
- Determine the identity of the N-terminal amino acid after reconstructing the intact protein. Why is this answer correct and why are the others incorrect? A. Asp B. Ser C. Glu D. IleWhich of the following amino acid is acetylated when DNA is unwound from histones? a. Asparagine b. Lysine c. Arginine d. GlycineAn amino acid is connected to the t-RNA by which of the following functional groups? a. Ester b. Amide c. Carbamate d. Ether
- Consider the following peptide sequence: Lys-Leu-Ile-Cys-Lys What is the net charge of this sequence at physiological pH? a. -2 b. +1 c. 0 d. -1 e. +2Use the codon table , shown in image, to determine the codons used to code for each amino acid indicated by a number. For each amino acid, choose the best response below. a. An example of an amino acid that is coded by only one specific sequence b. An example of an amino acid that is coded by more than just a set of codons with a third nucleotide "wobble" c. An example of an amino acid that demonstrates "wobble" in its codonsThe sequence of amino acids at the 3’ end of a t-RNA molecule is which of the following? a. UGA b. AAC c. AUG d. CCA