Biology question and answers for July 20, 2023
- Q 1. What happens when you inhibit Wnt signaling in acenter piece of a planarian worm (ie it had both its head and tailremoved)?A. Regeneration is inhibitedB. two tails formC.two heads...
- Q Food science questionQ: a small package with a surface area less than 200cm2 needsthe following labelling:A.just ingredient. B, none, C. just the name of the food; D.just allergens
- Q Explain how Agrobacterium tumefaciens causes crown gallin plants. Why is it called a “natural genetic engineer�
- Q Draw a Michaelis Menten graph to represent normal pyruvatecarboxylase kinetics in the conversion of pyruvate to oxaloacetate.Explain why you drew things as you did.
- Q In the case of Jesse Gelsinger, a young man who died during genetherapy, the therapy involved delivery via a viral vector. Was thisgerm-line or somatic therapy?
- Q In humans, is puberty a form of metamorphosis? Whether youranswer is ‘yes’ or ‘no’, build a detailed case for your position.Genotype, phenotype, anatomy, physiology, underlying molecularmechanisms, and more, can be...
- Q 13. Imagine a large inland sea located in a semi-desert regionthat supports a booming fishing and shipping trade. Through variouslines of research, the following facts about this sea have beenuncovered:...
- Q Which of the solutions below is hyperosmotic, isoosmotic, andhypoosmotic relative to the Red Blood Cells (RBCs) BEFORE and AFTERblood is added?0.15 M UreaBefore:After:What is the osmolarity before and after blood...
- Q atwhat stage of meiosis does translocation occur in order to causeDown syndrome
- Q 1. What non-covalent interactions can (1) Alanine and (2)Threonine acid participate in, as part of tertiary structure at pH7? Include an explanation of the charges involved (full or partial,permanent or...
- Q Discuss how histones and nucleosomes interact with DNA andeffects of acetylation and methylation incliding it's epigeneticeffects.
- Q How can 1-stearoyl, 2-oleoyl, 3-palmitoyl glycerol bebiosynthesized from acetyl-coa? Please include the biosynthesis ofall central components of the lipid and any additional componentsthat may be required for its synthesis (exclude...
- Q 1) Please explain how to transform bacterial cells with plasmidDNA.2) Please explain how to purify plasmid DNA from bacterialcells.3) How can you use PCR to clone a 2000bp gene into...
- Q 1. Explain how one gene in Drosophila can code for 17,500different nerve cell surface proteins.  2. Outline two modification of the structure of the nucleosomethat regulate transcription.3. Outline how the structure...
- Q Describe the Sulfur cycle.
- Q What is a paramecium's method of locomotion? (What does it useto move?) Is it a autotroph, heterotroph, or mixotroph?
- Q Given abundant sunlight, what would be a factor that limits therate of photosynthesis? Explain your answer.
- Q Bioinformatics #51. According to the KEGG pathway for oxidative phosphorylation,which of the following enzymes do not shuttle protons into theinnermembrane space (IMS)?1.3.5.11.3.5.1 and 3.6.3.61.6.5.3 and 1.10.2.23.6.3.32. According to the stoichiometry...
- Q You are studying how quickly and well individuals learn musicunder various conditions. You find that siblings reared togetherlearn music with similar speed and success. You find less of acorrelation when...
- Q Explain how fertilization occurs in yhe dogfish shark and how theembryo is nourished
- Q Explain the raise of slavery in the cheasapeake
- Q Compare and contrast the accuracy of reconstructing a person'sface (1) using memory and a website such as QuickFace.com or (2)using a genetic profile derived from studies on people withcraniofacial disorders.13....
- Q 1. How does an automated gene sequencer detect thespecific nucleotide at the end of a DNA fragment?2.How is genotyping different from genomesequencing?
- Q A zoologist found that in the population of frogs in SandraMacGregor’s pond, half the genes for skin color in the gene poolwere alleles for green spots, and half the genes...
- Q (4 PTS) In humans the dominant allele N causes anabnormal shape of the patella in the knee (n is the normalallele).  A separate gene affects finger length, and thedominant allele B...
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