Uracil Study guides, Class notes & Summaries
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![MMSC 491/691 Exam 1 Qs (all Accurately Solved)](/docpics/3361568/64f43065ab3ae_3361568_121_171.jpeg)
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MMSC 491/691 Exam 1 Qs (all Accurately Solved)
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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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BCH 3025 exam 2 Questions And Answers Graded A+
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A common cloning strategy for introducing foreign genes into plants with Agrobacterium employs all the 
following features except: 
A) a selectable antibiotic marker such as kanamycin resistance. 
B) a shuttle vector with 25 bp T-DNA repeats flanking the foreign gene of choice. 
C) a Ti plasmid lacking its T-DNA segment. 
D) active vir gene products from the altered Ti plasmid. 
E) an ability to induce crown gall formation in infected leaves. - Answer-B) a shuttle vector with 25 bp TDNA repeats ...
![USMLE STEP 1 BIOCHEMISTRY EXAM 2024 WITH 100% CORRECT ANSWERS](/docpics/4890295/660adeb72389d_4890295_121_171.jpeg)
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USMLE STEP 1 BIOCHEMISTRY EXAM 2024 WITH 100% CORRECT ANSWERS
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What changes a cytosine into a uracil? 
Which base nucleotides contain an extra amino group? 
Which base nucleotide has an extra methyl group? 
What are the purines?Pyrimidines? 
How does Methyltrexate work on DNA? 
If a sample of DNA has 10% G, how much is the T %? 
Which DNA has a higher melting point?Why?Define melting point. 
What is the charge of Histones?What 2 AA are histones abundant in? 
what causes chromatin to be tightly packaged?Name of this type of chromatin? (active or inactive)If ...
![Chem 210 Module 6 Exam 2024 Newest Questions and Answers (Verified Answers)](/docpics/4122783/6593e75b42dbc_4122783_121_171.jpeg)
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Chem 210 Module 6 Exam 2024 Newest Questions and Answers (Verified Answers)
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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...
![Exam 2: NSG555/ NSG 555 (Latest 2023/ 2024 Update) Nurse Practitioners in Primary Care II Exam| Questions and Verified Answers| 100% Correct| Grade A](/docpics/4556147/65d51799840ff_4556147_121_171.jpeg)
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Exam 2: NSG555/ NSG 555 (Latest 2023/ 2024 Update) Nurse Practitioners in Primary Care II Exam| Questions and Verified Answers| 100% Correct| Grade A
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Exam 2: NSG555/ NSG 555 (Latest 2023/ 2024 Update) Nurse Practitioners in Primary Care II Exam| Questions and Verified Answers| 100% Correct| Grade A 
 
Q: Diff between acyclovir and HIV drugs 
 
 
Answer: 
 acyclovir competes for Viral DNA nor RT. 
 
 
 
Q: Acyclovir unique site 
 
 
Answer: 
 a VIRAL (not human) 
 
 
 
Q: ValGANcyclovir toxicity reason 
 
 
Answer: 
 has more affinity for human DNA polymerase 
 
 
 
Q: Why won't ioxuridine and trifluridine work in RNA viruses? 
 
 
Answer: 
 ...
![(MB) ASCP PRACTICE EXAM QUESTIONS WITH ANSWERS LATEST 2023-2024](/docpics/4720034/65ef44559036c_4720034_121_171.jpeg)
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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...
![Portage Learning BIOD 101 Module 1 Exam Requires Respondus LockDown Browser Webcam Essential Biology I with Lab 2022](/docpics/2696714/6453b89847ca5_2696714_121_171.jpeg)
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Portage Learning BIOD 101 Module 1 Exam Requires Respondus LockDown Browser Webcam Essential Biology I with Lab 2022
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Portage Learning BIOD 101 Module 1 Exam Requires Respondus LockDown Browser Webcam Essential Biology I with Lab 2022 
 
Module 1 Exam - Requires Respondus LockDown 
Browser + Webcam 
Due No due date Points 100 Questions 25 Time Limit 60 Minutes 
Requires Respondus LockDown Browser 
Attempt History 
Attempt Time Score 
LATEST Attempt 1 60 minutes 59 out of 100 
Score for this quiz: 59 out of 100 
Submitted Apr 1 at 7:35pm 
This attempt took 60 minutes. 
Correct! 
Correct! 
Correct! 
Question 2 4 ...
![Genomics Midterm Exam Questions With Complete Solutions.](/docpics/4027036/657bf094e73ea_4027036_121_171.jpeg)
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Genomics Midterm Exam Questions With Complete Solutions.
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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...
![TEST BANK FOR MICROBIOLOGY FUNDAMENTALS: A CLINICAL APPROACH 4TH EDITION MARJORIE KELLY COWAN HEIDI SMITH](/docpics/4381780/65ba33b732a40_4381780_121_171.jpeg)
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TEST BANK FOR MICROBIOLOGY FUNDAMENTALS: A CLINICAL APPROACH 4TH EDITION MARJORIE KELLY COWAN HEIDI SMITH
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1)	The major groups of microorganisms studied by microbiologists include	. 
 
A)	bacteria 
B)	plants 
C)	helminths 
D)	algae 
E)	fungi 
F)	viruses 
G)	archaea 
H)	protozoa 
 
 
 
2)	Select all answers that are roles played by microorganisms in our environment. 
 
 
A)	Carry out photosynthesis 
B)	Biological decomposition 
C)	Nutrient recycling 
D)	Complex relationships with animals but not plants 
 
 
3)	Select statements that apply to the theory of evolution to test your understanding of evolut...
![BIO 210 FINAL EXAM GENETICS 2024 ACTUAL EXAM 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS ALREADY GRADED A+](/docpics/4122577/6593ddbb41018_4122577_121_171.jpeg)
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BIO 210 FINAL EXAM GENETICS 2024 ACTUAL EXAM 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS ALREADY GRADED A+
- Exam (elaborations) • 31 pages • 2024
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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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