Mmsc 491 - Study guides, Class notes & Summaries

MMSC 491 Exam 2 Questions And Answers Latest |Update| Verified Answers

Overall organizational structure of the human chromosome - correct answer normally contain a single, immensely long DNA double helix; to avoid tangling and to manage the long chain efficiently they are complexed with various proteins and sometimes noncoding RNAs to form chromatin that undergoes different levels of coiling and compaction Chromatin - correct answer the structure of DNA complexes with pro...

MMSC 491 exam 1/Questions & Answers

1. Epigenetic: Changes in phenotypeHeritable Not due to changes in DNA sequence DNA methylation or histone modification 2. Collective term for all different DNA molecules within a cell or organism: - Genome 3. DNA protein complex: Chromosome 4. How many DNA molecules does a male have? female have?: Male 25Female 24 5. Single ring based on carbon and nitrogen atoms C,T: Pyrimidine 6. Double ring structure A, G: Purine 7. How many bonds holds together G-C: 3 hydrogen bonds 8. How many ...

Nucleic Acids are correct answers DNA and RNA Types of Mutations correct answers 1. Deletion 2. Duplication 3. Insertions 4. Tranlocation Translocation correct answers DNA is excahnged in reciprocal way from one chromosome to another Epigenetic Mechanisms correct answers -Changes in the phenotype -Heritable Mutation -Not from changes in the DNA sequences Causes of Epgentic mutation correct answers DNA Methylation or Histone modification Genome correct answers Collective term ...

With reference to aberrant methylation of bases which of the following statements, if any, is false? A. S-adenosylmethionine donates methyl groups to a range of different molecules in cells and frequently inappropriately methylates bases in DNA. B. Guanine is occasionally methylated to give O-6-methylguanine which base pairs with adenine rather than with cytidine. C. In each nucleated cell, about 300-600 adenines are converted to 3-methyladenine per day. D. 3-methyladenine can be a cytotoxic...

The term phenotype can be applied to a wide range of maifestations. Which of the following protperties, if any do not constitute a phenotypic manifestation - correct answer The sequance of a persons beta globin gene Which, if any, of the following is incorrect? when used in human genetic - correct answer Incorrect: The term dominant and recessive apply equally to allels and phenotypes Correct: - Do...

1. The term phenotype can be applied to a wide range of maifestations.Whichof the following protperties, if any do not constitute a phenotypic manifesta-tion: The sequance of a persons beta globin gene 2. Which, if any, of the following is incorrect? when used in human genetic: - Incorrect:The term dominant and recessive apply equally to allels and phenotypes Correct: - Dominant describes a phenotype that is manifestated in the heterozygotem thatis, the phenotype is attributed to just a s...

The term phenotype can be applied to a wide range of manifestations. Which of the following properties, if any do not constitute a phenotypic manifestation - The sequence of a persons beta globin gene Which, if any, of the following is incorrect? when used in human genetic - Incorrect: The term dominant and recessive apply equally to allels and phenotypes Correct: - Dominant describes a phenotype that is manifested in the heterozygote that is, the phenotype is attributed to just a single ...