Which of the following DNA mutations is almost certain to result in a shorter than normal protein?

Q: Explain why a point mutation does not necessarily change the oriignal amino acid sequence.  Explain…

A: A mutation refers to the alteration in the sequence of nucleotides in an organism’s DNA…

Q: 1. a)What would happen if the aminoacyl tRNA synthetase responsible for charging alanine tRNAs also…

A: The polymerization of amino acids according to the codons on mRNA to form proteins is known as…

Q: Why might some cells in the body, such as those in bonemarrow, be more susceptible to ribosomal…

A: Mutation It is the sudden heritable changes happening in the genotype of the organism which is…

Q: Leber Congenital Amaurosis (LCA) causes progressive vision loss due to defects in the gene that…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Leber congenital amaurosis (LCA) is a form  of congenital blindness in humans and is  known to be…

A: Leber congenital amaurosis (LCA) is a form of congenital blindness in humans and is known to be…

Q: A nonsynonymous mutation is also referred to as missense mutation. Which of the following correctly…

A: Normal DNA contains a particular sequence of DNA. If the sequence of DNA is changed due to external…

Q: Which of the following is the polyadenylation signal sequence? AAAAAA O AAUAAA O AAAUAA AAUUAA

A: Polyadenylation signal sequence :- is the signal sequence needed to add poly A tail at 3' end of…

Q: Insulin is a peptide hormone encoded by the INS gene, which is on chromosome 11. Insulin is produced…

A: The hormone insulin is required by the body to reduce the level of blood glucose. The pancreatic…

Q: Define a Point mutation and give an example. What is sickle cell anemia and what causes it. What…

A: Mutation refers to the phenomena in which the structure of a gene or DNA sequence changes, resulting…

Q: How many of the mutations listed below would lead to excessive cell growth when the cell was either…

A: Excessive growth occurs when a cell continuously divides and when there is no cell cycle arrest. Myc…

Q: between gene and protein was first articulated by Beadle & Tatum, who proposed the one-gene,…

A: The one gene–one enzyme theory proposes that genes work by making enzymes, with each gene producing…

Q: Discuss the following types of mutations, with reference to specific genetic disorders: i)…

A: A mutation is a sudden change in DNA sequence caused during the replication of cells, exposure to…

Q: Which form of Retinoblastoma typically results in unilateral disease and exhibits 2-hit mutational…

A: Retinoblastoma is a cancer that affects the eyes. It is specifically a cancer of retinal layer of…

Q: What type of mutation is sickle cell anemia? Explain the molecular basis of sickle cell anemia.

A: Sickle cell anemia is an abnormal condition that arises due to the mutation in the beta-globin chain…

Q: All of the following prion diseases, involving distortion of the normal a-helix into the abnormal…

A: A prion is a type of protein that can trigger normal proteins in the brain to fold abnormally. Prion…

Q: Cystic fibrosis (CF) is an inherited disorder caused by different types of mutations, many of which…

A: CF is caused by a mutation in a gene called the cystic fibrosis transmembrane conductance regulator…

Q: The genetic alteration responsible for sickle-cell anemia in humans involves: a transition mutation…

A: sickle cell anaemia is caused by inherited abnormal hemoglobin that causes the sickling of red blood…

Q: Galactosemia is a metabolic disorder characterized by the inability to metabolize the sugar…

A: Galactosemia It is a rare genetic metabolic disorder that affects how the body processes a simple…

Q: Which of the following would be most likely to be a conservative or mild mutation? Histidine (His)…

A: Also known as conservative replacement or conservative substitution as it involves amino acid…

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.