Guanine Study guides, Class notes & Summaries
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BSC 108 Exam 3 | 100% Correct | Verified | 2024 Version
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The structure of a strand of DNA. - it is a double helix, like a twisted ladder. 
the ladder rings are nucleotide subunits and they have a covalent bond to the sugar phosphate 
backbone (made of deoxyribose and a phosphate group) 
What are the nucleotide subunits? - adenine, guanine, cytosine, and thymine 
How are the subunits held together? - through a hydrogen bond 
What are the nucleotide subunits compliments? - Adenine and thymine 
cytosine and guanine 
How does DNA replicate? - the parent s...
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Portage Learning CHEM 210 FINAL EXAM 2024 UPDATED.
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Portage Learning CHEM 210 FINAL EXAM 2024 UPDATED. 
Question 1 
3 / 3 pts 
True or False: Nitrogen is called the superglue of the chemical world. 
FALSE 
Question 2 
3 / 3 pts 
True or False: Large elements, such as strontium, are common in biomolecules. 
FALSE 
Question 3 
3 / 3 pts 
True or False: The time it takes for a compound to flow through a metabolic pathway is 
called the payoff phase. 
FALSE 
Question 4 
3 / 3 pts 
True or False: Proteins, carbohydrates, and fats all get broken down i...
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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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Biology 1402 Dr. Held Exam 1 Latest Update Graded A+
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Biology 1402 Dr. Held Exam 1 Latest 
 
Update Graded A+ 
 
Evolution Change in the frequency of traits in a population. 
 
Natural Selection Cause of the change in evolution. 
 
Adaption Increase in fitness of population to it's environment 
 
Heritable Variation Trait which is capable of being inherited and selected 
 
DNA The genetic material that organisms inherit from their parents; a double-stranded 
helical macromolecule consisting of nucleotide monomers with deoxyribose sugar and the 
ni...
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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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AP Biology Unit 1 Progress Check Chemistry of Life Key (North western university)
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AP Biology Unit Test 1: Chemistry of Life Name 
1. A feature of organic compounds NOT found in inorganic compounds is the presence of 
@ ionizing chemical groups 
electrons 
@ oxygen 
@ hydrogen bonds 
2. A student analyzed a viral genome and found that the genome had the following nucleotide composition. 
* 28% adenine 
* 20% thymine 
* 35% cytosine 
* 17% guanine 
‘Which of the following best describes the structure of the viral genome? 
@ Double-stranded DNA 
@ Double-stranded RNA 
@ Single...
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Portage Learning CHEM 210 FINAL EXAM 2024 UPDATED.
- Exam (elaborations) • 14 pages • 2024
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Portage Learning CHEM 210 FINAL EXAM 2024 UPDATED. 
Question 1 
3 / 3 pts 
True or False: Nitrogen is called the superglue of the chemical world. 
FALSE 
Question 2 
3 / 3 pts 
True or False: Large elements, such as strontium, are common in biomolecules. 
FALSE 
Question 3 
3 / 3 pts 
True or False: The time it takes for a compound to flow through a metabolic pathway is 
called the payoff phase. 
FALSE 
Question 4 
3 / 3 pts 
True or False: Proteins, carbohydrates, and fats all get broken down i...
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Genomics Midterm Exam Questions With Complete Solutions.
- Exam (elaborations) • 27 pages • 2023
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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...
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BSC 108 Exam 3 Study Guide | 100% Correct | Verified | 2024 Version
- Exam (elaborations) • 13 pages • 2024
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DNA is composed of ____ subunits. - Nucleotide 
DNA has a ____ backbone covalently bonded to _____-containing bases - 
Sugar-phosphate 
Nitrogen 
A DNA molecule contains how many strands of DNA? 
These strands form what? This means that they are _____. - 
2 
A double helix 
Complementary 
What are the nitrogen-containing bases? - 
Adenine 
Guanine 
Thymine 
Cytosine
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Chem 210 Module 6 Exam 2024 Newest Questions and Answers (Verified Answers)
- Exam (elaborations) • 16 pages • 2024
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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...
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