Pyrimidines - Study guides, Class notes & Summaries
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NAU BIO 181 Final (Schonauer) Questions With Answers Graded A+ Assured Success
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A nucleotide consists of___________? - ️️A phosphate group, a nitrogen base, and 
a 5-carbon sugar. 
Polymerization requires energy from what? - ️️Active nucleotides or nucleotide 
triphosphates such as (aTP, tTP, cTP, gTP, uTP) 
Deoxyribose has a H at the 2' and is in - ️️DNA 
Ribose has a OH at the 2' and is in - ️️RNA 
Cytosine is a - ️️Pyrimidine 
Uracil only exists in RNA and is a - ️️Pyrimidine 
Thymine only exists in DNA and is a - ️️Pyrimidine 
Pyrimidin...
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Bio-171 Exam 4 Questions with Complete Solutions
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What are the 4 nitrogenous bases? Which pair together? Correct Answer-adenine (A), thymine (T), cytosine (C), guanine (G) 
A->T, C->G 
 
What are the issues with these combinations: 
 1.) Pyrimidine + Pyrimidine = 
 2.) Purine + Purine = 
 3.) Pyrimidine + Purine = Correct Answer-1.) width of DNA too narrow 
2.) width of DNA too wide 
3.) width of DNA consistent with X-ray model 
 
Which bases are purines and which are pyrimidines? Correct Answer-purines: A,G 
pyrimidines: T,C 
 
What are...
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BIO 210 FINAL EXAM GENETICS 2024 ACTUAL EXAM 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS ALREADY GRADED A+
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BIO 210 FINAL EXAM GENETICS 2024 
ACTUAL EXAM 300 QUESTIONS AND 
CORRECT DETAILED ANSWERS WITH 
RATIONALES ANSWERS ALREADY 
GRADED A+ 
A nucleotide is made up of what 3 components? - CORRECT ANSWERphosphate group, pentose sugar (deoxyribose in DNA and ribose in RNA), 
and a nitrogenous base 
What nitrogenous bases are purines - CORRECT ANSWER-Adenine and 
Guanine 
What nitrogenous bases are pyrimidines? - CORRECT ANSWERcytosine, thymine, uracil 
How can you differentiate between purines and pyri...
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BIOD 210 Genetics Exam Module 4
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Purines and examples of them 
Purines contain two carbon-nitrogen rings and four nitrogen atoms. Adenine and 
guanine 
Pyrimidines and examples of them 
pyrimidines contain one carbon-nitrogen ring and two nitrogen atoms. Thymine 
and cytosine 
Structure of DNA 
DNA is a double helix (two helical strands.) The two strands are held together by 
the 'rungs', which are made of complementary pairs. The pairs are held together by 
weak hydrogen bonds. 
Arrangement of DNA 
antiparallel arrangement, ...
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(MB) ASCP Practice Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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Which of the following is not a component of a nucleotide? 
Phosphate group 
Anti-codon 
Ribose sugar 
Nitrogen base 
: Anti-codon 
According to Chargaff's rule of base pairing, adenine pairs with: 
: Thymine 
What genes would be screened in a breast cancer panel? 
: HER2, ERBB2, BRCA1 
Next Generation Sequencing uses: 
: Short sequence reads 
Purines and pyrimidines differ from each other in that: 
2 | P a g e 
: Purines have two rings; pyrimidines have one rin
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AP Biology Vocabulary Review of the Campbell 7th edition terms for the new 2024 AP Biology Curriculum Q&A
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AP Biology Vocabulary Review of the 
Campbell 7th edition terms for the new 
2024 AP Biology Curriculum Q&A 
polar - CORRECT ANSWER-Molecule with partial charges. Mixes with water. 
nonpolar - CORRECT ANSWER-No partial charges. Do not mix with water. 
electronegativity - CORRECT ANSWER-Attraction of an atom for electrons in a covalent 
bond. 
cohesion - CORRECT ANSWER-Water molecules sticking to each other. 
adhesion - CORRECT ANSWER-Water molecules sticking to other surfaces. 
solute - CORRE...
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(MB) ASCP PRACTICE EXAM QUESTIONS WITH ANSWERS LATEST 2023-2024
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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...
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(MB) ASCP Practice Exam Questions & Answers 2024
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(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...
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MCAT Biology questions with 100% correct answers
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MCAT Biology 
Central Dogma - correct answer DNA → RNA → Protein 
 
Purines 
- which bases? 
- how many rings? - correct answer 
 
Pyrimidines 
- which bases? 
- how many rings? - correct answer Remember: "Pyrimidine" has a "y" in it; so does "cytosine" and "thymine." 
 
Phosphodiester Bond - correct answer Joins one nucleotide to the next; between the 3rd C of one ribose and the 5th C of the other to create the sugar-phosphate backbone 
 
Directionality of DNA (convention) - correc...
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(MB) ASCP Practice Exam Questions and answers 2024
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(MB) ASCP Practice Exam Questions and 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-Pu...
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