Homework Answers
Question 1. The histones octamer forms a protein core around which the double-stranded DNA is wound.
Answer- True.
Histones are basic proteins, positively charged proteins, which help in the packing of DNA. Histones form an octamer around which DNA is wrapped, this is called a nucleosome. The nucleosome makes up the chromatin.
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True/False (6 pts) *if false, correct the statement 1. (True/False) The histone octamer forms a protein...
ton is not an energy dependent process in (B)) Falls eukaryotes 43. Histone methylation is associated...
ton is not an energy dependent process in (B)) Falls eukaryotes 43. Histone methylation is associated with Falls gene activation gene silencing Following histones are required during transcription (A) H2A and 2B (B) H3 (C) H4 (D) All of the above (E) H2AZ (c) induction (D) All of the above (E) None of the above 35. 4. DNA methylation silences gene expression AD True (B) Fall Leucine residues in lucine zipper proteins provides h ydrophobic interaction for dimerization (A) True...
Match the terms with their appropriate definitions 1. The pattern of histone modification acts much like...
Match the terms with their appropriate definitions 1. The pattern of histone modification acts much like a language or code in specifying alterations in chromatin structure. (Click to select) 2. Enzymes which acetylate the positively charged lysines within the core histone proteins. (Click to select) 3. Enzyme which attaches a methyl group to the number 5 position of the cytosine base, forming 5-methylcytosine. (Click to select) 4. Proteins which bind methylated sequences. (Click to select) 5. The methylation of DNA...
Match the terms with their appropriate definitions 1. The pattern of histone modification acts much like...
Match the terms with their appropriate definitions 1. The pattern of histone modification acts much like a language or code in specifying alterations in chromatin structure. (Click to select) 2. Enzymes which acetylate the positively charged lysines within the core histone proteins. (Click to select) 3. Enzyme which attaches a methyl group to the number 5 position of the cytosine base, forming 5-methylcytosine. (Click to select) 4. Proteins which bind methylated sequences. (Click to select) 5. The methylation of DNA...
need to know correct answers 26. B. Which of the following enzymes is associated with the...
need to know correct answers
26. B. Which of the following enzymes is associated with the repression of transcription? methyl transferase DNA polymerasex acetyl transferase histone kinase none of the above Section 2 - True/False (2 points each) 27. TFIIB regulates tissue or cell type-specific transcription 28._1 Eukaryotes have three different RNA polymerases that each can transcribe non-protein coding genes. 29. T The P site of the ribosome refers to peptidyl. be For T heoph UND 30._F_The input genetic material...
ton is not an energy dependent process in (B)) Falls eukaryotes 43. Histone methylation is associated with Falls gene activation gene silencing Following histones are required during transcription (A) H2A and 2B (B) H3 (C) H4 (D) All of the above (E) H2AZ (c) induction (D) All of the above (E) None of the above 35. 4. DNA methylation silences gene expression AD True (B) Fall Leucine residues in lucine zipper proteins provides h ydrophobic interaction for dimerization (A) True...
Match the terms with their appropriate definitions 1. The pattern of histone modification acts much like a language or code in specifying alterations in chromatin structure. (Click to select) 2. Enzymes which acetylate the positively charged lysines within the core histone proteins. (Click to select) 3. Enzyme which attaches a methyl group to the number 5 position of the cytosine base, forming 5-methylcytosine. (Click to select) 4. Proteins which bind methylated sequences. (Click to select) 5. The methylation of DNA...
Match the terms with their appropriate definitions 1. The pattern of histone modification acts much like a language or code in specifying alterations in chromatin structure. (Click to select) 2. Enzymes which acetylate the positively charged lysines within the core histone proteins. (Click to select) 3. Enzyme which attaches a methyl group to the number 5 position of the cytosine base, forming 5-methylcytosine. (Click to select) 4. Proteins which bind methylated sequences. (Click to select) 5. The methylation of DNA...
need to know correct answers
26. B. Which of the following enzymes is associated with the repression of transcription? methyl transferase DNA polymerasex acetyl transferase histone kinase none of the above Section 2 - True/False (2 points each) 27. TFIIB regulates tissue or cell type-specific transcription 28._1 Eukaryotes have three different RNA polymerases that each can transcribe non-protein coding genes. 29. T The P site of the ribosome refers to peptidyl. be For T heoph UND 30._F_The input genetic material...
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