You are investigating the loss of activity of a particular enzyme in a mutamt bacterium. You determine the primary structure of the defective enzyme and realize that it contains an amino acid substitution. It is likely that the mutation affects the conformation of the ____ of the enzyme.

Q: How did they get GCC to GUC? and AAC to AAU?

A: The mutation is the change in the sequence of nucleotides in DNA. The sequence of nucleotides in DNA…

Q: All are factors or subunits contained within the E. coli RNA polymerase holoenzyme in prokaryotic…

A: Transcription is the process of synthesizing RNA from genetic information stored in DNA. There are…

Q: Correctly match the complementary base pairs in RNA. ___Adenine ___Guanine 1.)Uracil 2.)Cytosine…

A: RNA consist of these four nucleobases : Adenine(A) Uracil(U) Guanine(G) Cytosine(C)

Q: the term refers to (DNA, RNA, protein) and 2) what process it most directly functions in. NOTE: also…

A: The genes are present in DNA. These control the expression of phenotypes.

Q: A missense mutation has the potential to alter which level of structure in the protein product?…

A: A missense mutation is a slip-up in the DNA which brings about some unacceptable (wrong) amino acid…

Q: You now find an additional mutant from the experiment in Problem 31: Original:…

A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. DNA is formed of the…

Q: The shape of an enzyme is important in its ability to function. Enzymes are used in processes in the…

A: Deoxyribonucleic acid(DNA) is a molecule comprised of two polynucleotide chains coiled around each…

Q: Some mutations affect changes in protein structure and function that can result in disease whereas…

A: The DNA (deoxyribonucleic acid) is the genetic material of an organism. The DNA is inherited by the…

Q: Fill in the following with the correct words about cloning (the first blank will be the first word…

A: Cloning In simple terms, the term cloning is derived from the word "clone" which means "exact copy",…

Q: A scientist is researching GS1, an enzyme with a relative molecular mass (Mr) of 78,000 present in a…

A: Genetic code is a triplet codon.

Q: Some substitution mutation result in a malfunctioning protein but others do not. Why is this? 

A: Introduction : A mutation is a change that occurs during the copying or replication of DNA…

Q: In sickle cell anemia, an inherited form of anemia in which the hemoglobin distorts the red blood…

A: The mutation that alters the codon that codes for a specific amino acid is called missense mutation.…

Q: E. coli is the most used prokaryote in studying translation. List 3 protein factor for each of the 3…

A: Translation is a process by which proteins are synthesized from mRNA. The t RNA carrying the…

Q: Scientists are interested in studying a toxic molecule found in a patient having a viral  disease.…

A: Proteins are made up of substances called amino acids. Proteins and amino acids are the components…

Q: Ribonucleotide reductase converts UDP into dUDP. True Or False

A: Ribonucleotide reductase is an enzyme which helps in the process of DNA synthesis, by synthesis of…

Q: The first amino acid in a purified bacterial protein is methionine. The start codon in the mRNA is…

A: The process of protein(amino acid) formation is called translation and it is the last step of the…

Q: A sequence of nucleotides in a DNA strand—5′-ttAACggCttttttC-3′— was used as a template to…

A: A template strand is the strand of the DNA that is also called a non-coding strand. By complementary…

Q: The antibiotics puromycin and erythromycin are known inhibitors of protein synthesis. ​ (a) Which…

A: Antibiotics are usually defined as related to their mechanism of medications that are used to treat…

Q: What property of RNA makes it suitable for use as a ribozyme? For what reason do organisms not…

A: Introduction:- Ribozymes are RNA molecules able to break and form covalent bonds within a nucleic…

Q: tRNA is released from the ribosome at the ________ site.

A: Ribosome is a macromolecular complex of rRNAs and ribosomal proteins; the site of protein synthesis.…

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: What exactly is a ribozyme? Can you please give me some real-world examples and explain what makes…

A: A ribozyme is an RNA enzyme that catalyzes biochemical reactions and is capable of specific…

Q: Which of the following statement(s) about "wobble" base is/are correct? Please make sure to select…

A: The tRNA and mRNA interaction occurs during the translation (protein synthesis) process. The tRNA…

Q: 7). You analyze a biosynthetic pathway in an unknown strain of bacteria. Given the following data…

A: 3-phosphoglycerate (PGA) is used by bacteria as the starting material to synthesize serine. From…

Q: There is only one possible sequence of amino acids when deduced form a given nucleotides. But…

A: Nucleotide refer to a biomolecule composed of phosphate, pentose sugar and nitrogenous base. These…

Q: Give two reasons why a point mutation in the codon for methionine (Met) would likely be more serious…

A: Point mutation is a mutation where a single nucleotide is changed i.e. insertion, deletion or…

Q: If the first G changes to A what kind of mutation will happen? Show the change in amino acid…

A: When there is an error in the DNA sequence during replication it causes a change in the DNA…

Q: The Shine-Dalgarno sequence binds to sequence within the large ribosomal subunit so that ribosomes…

A: in order to address the question, we'll first weigh out each option to arrive at the correct option.…

Q: Some substitution mutation result in a malfunctioning protein but others do not. Why is this? 

A: A mutation is a change that occurs while copying or trying to replicate DNA molecules, resulting in…

Q: After translocation occurs, the AUG codon will move into the A site. When a third amino acid is…

A: Translation is the process by which the codon from the mRNA molecule is decoded to form the protein.…

Q: Look at the codon "UUU" in the codon chart. If the 3rd nucleotide (3rd Uracil) was mutated to a "C"…

A: The genetic code is triplet code called codon.The genetic code is degenerate meaning that given…

Q: Which types of mutations, among those you created in this activity, are more likely to cause the…

A: A mutation is a change that occurs in an organism's DNA sequence. Errors in DNA replication,…

Q: Some RNAs can fold into shapes that resemble ______________, allowing them to catalyze chemical…

A: RNA molecules are made up of strands of A, U, C, and G nucleotides. A single strand of RNA can fold…

Q: multiple codons (genetic code triplets)

A: Cells decode mRNAs by investigating their codons. Every codon indicates a type of amino acid, or, at…

Q: A scientist is researching GS1, an enzyme with a relative molecular mass (Mr) of 78,000 present in a…

A: Mutations are random changes in the genome.

Q: What property of RNA would make it capable of acting as a ribozyme? Why don't we have any naturally…

A: Introduction When the nucleic acid is naturally occurring, it can be broken down into phosphoric…

Q: n prokaryotes, transcription and translation occur ________.     simultaneously simultaneously in…

A: Transcription is the process of copying a segment of DNA to make an RNA copy. The RNA formed is…

Q: Each tRNA has an _____ complementary to themRNA codon specifying the particular amino acid.?

A: Central Dogma of life is- DNA ---->mRNA -----> Protein The process of synthesis of a DNA…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.