How does the protein SF 9G8 affect body fat in Drosophila melanogaster (fruit flies)?

Q: Some animals like C. elegans, do not have 5-methylcytosine, but do have methylated adenine. It is…

A: DNA methylation is known as epigenetic mechanism. It occurs when a methyl group is added to DNA and…

Q: What are the primary structures of TATA-binding protein (for ex. letter amino acids),  What are the…

A: TATA-binding proteins (TBP) bind to Sequences on DNA called TATA boxes. TBP is a general…

Q: Is the sequence of amino acids in rubisco encoded by nuclear genes or not? Explain.

A: The enzyme rubisco stands for ribulose bisphosphate carboxylase/oxygenase. It acts as a key enzyme…

Q: A number of genes that control expression of Hox genes in Drosophila have been identified. One of…

A: Homeotic genes are the regulatory genes that play an important role in the regulation of the…

Q: How did mutations in the Drosophila ANT-C gene complex provide researchers with information on the…

A: The embryonic development of drosophila is regulated by differential gene expression. These flies…

Q: Why do mitochondria need genes that encode rRNAs andtRNAs?

A: Human mitochondrial DNA refers to the genetic material of the mitochondria. It contains several…

Q: When during the development of most mammals is lactose available for use by E. coli in the gut? How…

A: Each warm blooded creature on the earth is inhabited with Escherichia coli (E. coli) , just as cold…

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Q: You identify a disease of epidermal cells in mice in which Gene A is not expressed. Further analyses…

A: Gene is the segement of DNA which is responsible for producing the protein.

Q: What are some of the explanations for the finding that humans are a much more complex organism than…

A: Humans are more complex than roundworms.

Q: What is the role played by biophysical properties in mechanisms of morphogenesis?

A: *Thermal properties are Density, Pressure, Temperature, Specific Volume  Compressibility etc. *…

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: A mutated form of protein p5x is found in patients with squamous cell carcinoma. In vitro studies…

A: A gene that produces a protein that is essential for regulating cell division and death and is…

Q: In humans, what other homeobox genes have spatial expression patterns similar to those of HOXA13?

A: Homeobox A13 or Hox-A-13 is a type of homeobox gene responsible for encoding homeo domain proteins.…

Q: What changes, if any, would you predict would occur in the pigmentation of Drosophila melanogaster…

A: The relatively simple morphological trait that helps in the mapping of the genetic basis of…

Q: What do you predict would be the consequence of a mutation in FtsZ that disrupts the function of the…

A: FtsZ is a protein found in the prokaryotes as well as some eukaryotes which are encoded by the ftsZ…

Q: You identify a disease of epidermal cells in mice in which Gene A is not expressed. Further analysis…

A: Gene is the sequence of the genome that codes for a functional protein. The expression of genes from…

Q: The phenotype of a heterozygous mouse (Aa) is agouti.  The agouti banding pattern is due to altered…

A: * Homozygous dominant and Heterozygous will produce agouti that is AA or Aa respectively  and the…

Q: What is different about the C residues in CpG islands compared to C residues in the rest of the…

A: CpG dinucleotides are the short interspersed DNA sequences that are unevenly distributed throughout…

Q: e homeotic mutation Antennapedia causes mutant Drosophila to have legs in place of antennae and is a…

A: Dominant gain-of-function mutations affect just one copy of an allele and result in the production…

Q: You are in a research lab studying the function of the mutated form of a receptor called Protein X,…

A: Protein X can be the Thyroid hormone receptor. The correct option is d.  Thyroid hormone is…

Q: Comment on the difference in expression patterns between APETALA1 and CYCLIN1. How do the…

A: The genes are responsible for the expression of characters. There are two types of characters:…

Q: What phenotypes do you think a homozygous tra1hsn animal with a gain of function mutation in the…

A: Mutation changes genotype frequencies by continually implementing new alleles, that can be…

Q: How might P-elements have entered Drosophila melanogaster?What do you know about P-element…

A: P elements are transposable elements that were discovered in Drosophila as the causative agents of…

Q: What is the action of the Sxl protein in females?

A: There are different regulatory proteins are present in both male and female. The RNA-binding protein…

Q: How are the molecular interactions between Hoxd13 and Hoxd11 and Shh and Gli3 in the limb similar?

A: "Hoxd 13 is protein coding gene"  that play's critical role in limb development. If Hoxd 13 has…

Q: The HbβS(sickle-cell) allele of the human β-globingene changes the sixth amino acid in the…

A: Sickle cell anemia is a blood disorder in which an improper folding of hemoglobin occurs. In this…

Q: How is the activation of the GAL1 gene prevented in thepresence of galactose and glucose?

A: The process wherein the expression of GAL genes is inhibited in the presence of glucose is known as…

Q: O A. Screen thousands of strains for a spontaneous unc-22 mutation O B. Soak worms in mutagenic…

A: In RNA silencing microorganisms are used to silence or negatively affect the gene expression. It is…

Q: the amino acid sequence in rubisco encoded by nuclear genes

A: Rubisco consists of eight large subunits and eight small subunits.

Q: Describe the mechanism of genomic imprinting of the Igf2 gene in mammals.

A: Genomic imprinting is an epigenetic form of gene regulation. This results in the function of only…

Q: Based on the information from studies of the long-term effects of diet on metabolism in mice, what…

A: Genetics is the branch of biology that deals with the study of genes, their inheritance patterns,…