Mmsc 491 exam 1 - Study guides, Class notes & Summaries

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MMSC 491 EXAM 1 /WELL STRUCTURED QUESTIONS AND CORRECT ANSWERS 2024/2025 GRADED A+. 2 / 6 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 rin...

Nucleic Acids are - correct answer DNA and RNA Types of Mutations - correct answer 1. Deletion 2. Duplication 3. Insertions 4. Tranlocation Translocation - correct answer DNA is excahnged in reciprocal way from one chromosome to another Epigenetic Mechanisms - correct answer -Changes in the phenotype -...

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 ...

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...

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 ...

guanine and uracil correct answers In a DNA double helix each type of base forms a stable base pair with only one type of base. When bases on an RNA strand are involved in base pairing, which bases can form stable base pairs with more than one type of base? a. adenine and uracil b. cytosine and uracil c. guanine and uracil d. uracil Purines carry an amino group, unlike pyrimidines correct answers Regarding the structure of bases in nucleic acids, which, if any, of the following statemen...

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