Adenine Samenvattingen, Aantekeningen en Examens

Quiz Bank: NURS611/ NURS 611 (NEW 2023/ 2024) Advanced Pathophysiology Exam | 100% Correct | Questions and Verified Answers with Rationales - Maryville QUESTION Which statement is true regarding termination codons? A. Eighty codons are possible. B. Three codons signal the end of a gene. Answer C. Seventy codons specify amino acids. D. Each amino acid has one codon. Rationale: Three codons signal the end of a gene, and they are called stop or nonsense codons. QUESTI...

What modification neutralizes the charges on histones and looses up the interactions between histones and DNA? - Answer- ACETYLATION Two types of post-transcriptional modifications that take place in the mRNA of eukaryotes - Answer- the addition of a CAP at the 5' end of the transcript and the addition of a POLY A sequence at the 3' end of the message Nucleic acid blotting is widely used in recombinant DNA technology. In a Southern blot one generally - Answer- Hybridizes filter-bound DNA...

Where does the name Vitamin come from? - Vital amines --> Vitamines, but when it was discovered they weren't amines, the E was dropped Fat soluble vitamins - A, D, E, K Water Soluble Vitamins - C, B What B vitamin numbers are missing? Why? - B4, B8, B10, B11 Were discovered and then removed due to redudancy EV McCollum and vitamins - Theorized fat-soluble factor A that deficiency led to ophthalmia (inflammation of the eye) and water-soluble factor B resulted in beriberi Factor A --&g...

Chem 210 Module 6 Exam 2024 Newest Questions and Answers (Verified Answers) In DNA, adenine always pairs with ________. - Thymine - Guanine - Uracil - Cytosine - Thymine DNA is built from which of the following? - Nucleosides - Genes - Purines - Nucleotide - Codons - Nucleotide The double helix of DNA is stabilized mainly by __________. - Ionic bonds - Covalent bonds - Ion-dipole bonds - Hydrogen bonds - Hydrogen covalent bonds - Hydrogen bonds Which of the following...

DNA Correct Answer-- Stores genetic information -Genes - Encode RNA -RNA may encode protein -RNA may be regulatory molecule -Bound by proteins or RNA -Polymer of Deoxyribonucleotides -Double stranded (duplex) molecule Deoxynucleotide Correct Answer-Basic building block of DNA Consists of: -Nitrogenous base -Give identity to deoxyribonucleotide - Sugar ring (Deoxyribose) - Phosphate Nitrogenous bases Correct Answer-adenine, guanine, cytosine, thymine, uracail Sugar ring...

Genomics Midterm Exam Questions With Complete Solutions. DNA is a polymer composed of all of the following EXCEPT: a. nitrogenous base b. 5-carbon sugar c. codon d. phosphate group c codon = 3 nucleotide sequence Which of the nitrogen-containing bases are purines? a. adenine b. cytosine c. thymine d. guanine a, d cytosine and thymine are pyrimidines In a DNA sequence, adenine nitrogen base pairs with _________, while guanine pairs with _________. a. uracil, thymine b. th...

(MB) ASCP Practice Exam Questions & Answers 2024 Which of the following is not a component of a nucleotide? Phosphate group Anti-codon Ribose sugar Nitrogen base - ANSWER-Anti-codon According to Chargaff's rule of base pairing, adenine pairs with: - ANSWER-Thymine What genes would be screened in a breast cancer panel? - ANSWER-HER2, ERBB2, BRCA1 Next Generation Sequencing uses: - ANSWER-Short sequence reads Purines and pyrimidines differ from each other in that: - ANSWER-Puri...

histones are rich in which 2 AA's (Ans- lysine & argenine Barr bodies (what, type of chromatin) (Ans- inactive X chromosomes heterochromatin (highly condensed, sterically inaccessible) less condensed, transcriptionally active, sterically accessible chromatin (Ans- euchromatin DNA methylation at CpG islands (Ans- represses transcription "CpG Methylation makes DNA Mute" DNA methylation (what is methylated and why?) (Ans- template strand cytosine and adenine are methylate...

BIOL 1408 exam 2 Questions and Answers 2024 update BIOL 1408 exam 2 Questions and Answers 2024 update Points Awarded 47.00 Points Missed 3.00 Percentage 94.0% 1. A scientist claims to have created a machine that can run forever, therefore producing as much energy as it consumes. This claim violates: A) The first law of thermodynamics B) The second law of thermodynamics C) The third law of thermodynamics D) The law of endergonic reactions E) The law of exergonic reactions 2. Wh...

Exam Questions Which of the following is not a component of a nucleotide? Phosphate group Anti-codon Ribose sugar Nitrogenbase -correctanswer Anti-codon According to Chargaff's rule of base pairing, adenine pairs with: - correct answer Thymine What genes would be screened in a breast cancer panel? - correct answer HER2, ERBB2, BRCA1 Next Generation Sequencing uses: -correctanswer Shortsequence reads Purines and pyrimidines differ from each other in that: - correct answer Purines have t...