Cytosine - Study guides, Class notes & Summaries
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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...
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Science Bowl Biology Questions and Answers 100% Pass
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Science Bowl Biology Questions and 
 
Answers 100% Pass 
 
The purine bases are: 
A. adenine and guanine 
B. adenine and cytosine 
C. thymine and cytosine 
D. uracil, thymine, 
and cytosine A 
 
2. Four chromatids would be considered a: 
A. mutation 
 
B. non-disjunction 
C. tetrad 
 
D. synapses C 
 
3. Which of the following is NOT in the class insecta: 
A. bees 
 
B. moths 
 
C. fireflies 
 
D. spiders D 
 
4. Plant cells differ from animal cells in that only plant cells possess: 
A. a nucleu...
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Biology 100 UNLV (Dr. Jeff Jaeger) Exam 2 Study Guide Questions with Verified Solutions
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Biology 100 UNLV (Dr. Jeff Jaeger) Exam 
2 Study Guide Questions with Verified 
 
Solutions 
 
**Define nucleotide.** Fundamental units that repeat in DNA molecules. 
 
**List the names of nucleotides.** Adenine & thymine, Guanine & cytosine. 
 
**Where can nucleotides typically be found?** They are located within DNA. 
 
**Define gene.** A segment of DNA that specifies a particular protein. 
 
**What does DNA transcribe (code) to?** RNA. 
 
**How many strands does RNA have?** RNA consists...
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Biochem exam 1 rutgers questions and answers A+ grade assured 2024/2025
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Biochem exam 1 rutgers questions and answers A+ grade assured 2024/2025
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Bio Exam 3 Questions and Answers 100% Pass
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Bio Exam 3 Questions and Answers 
 
100% Pass 
 
What did Griffith discover in his experiment involving bacteria with capsule (S) and non-capsule 
(R) strains, and what molecule did Avery, MacLeod, and McCarty identify as responsible for this 
phenomenon? 
Griffith observed that DNA could transform bacteria, demonstrating for the first time that genetic 
material can be transferred through a process called transformation. The S-strain, with a 
polysaccharide capsule, is protected from the immune...
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Pathophysiology Introductory Concepts and Clinical Perspectives 2nd Edition Capriotti Test Bank
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1. Which statement regarding the sodium-potassium pump is correct? 
1.	The cell’s plasma membrane is more soluble to sodium ions than potassium ions. 
2.	The concentration of sodium ions should be higher inside the cell compartment. 
3.	The concentration of potassium ions should be higher outside the cell compartment. 
4.	The active transport involves pumping out three sodium ions and pumping in two potassium ions. 
 		2. What is the process in which glucose is used to create energy? 
1.	Autol...
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BioMG 3320 Final Questions with Complete Solutions
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Central dogma Correct Answer-DNA -> RNA -> Protein 
 
Avery-MacLeod-McCarty experiment Correct Answer-demonstrated that DNA is the genetic material because degradation of DNA led to a cessation of bacterial transformation 
 
Nucleotides Correct Answer-Basic units of DNA molecule, composed of a sugar, a phosphate, and one of 4 DNA bases 
 
Key bonds in nucleotides Correct Answer-Glycosidic and ester bonds 
 
glycosidic bond Correct Answer-Between the base and the sugar forms at 1' 
 
Ester...
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Biochemistry USMLE step 1: Updated Solution: Guaranteed A+ Guide Solution
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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...
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PCOL 838 EXAM 1
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What are the purines and pyrimidines? - Answer-purines: adenine, guanine 
pyrimidines: cytosine, uracil, thymine 
 
What are some examples of the cause of mutations in DNA? - Answer-cellular metabolism, UV light exposure, ionizing radiation, chemical exposure, replication errors 
 
What happens when the DNA is damaged/a mutation occurs? - Answer-cell cycle checkpoint activation, transcriptional program activation, DNA repair, apoptosis 
 
What is the definition of a gene? - Answer-A segment of D...
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EXAM 1 BIOS 242- CHAMBERLAIN ALREADY PASSED
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EXAM 1 BIOS 242- CHAMBERLAIN ALREADY PASSED 
DNA is replicated in the ___ nucleus 
RNA is replicated in the ___ cytoplasm 
what is the first step in viral replication? penetration/adhesion (attaches to membrane using spikes) 
what is the second step in viral replication? uncoating 
what is the third step in viral replication? replication 
what is the fourth step in viral replication? assembly 
what is the fifth step in viral replication? maturation 
what is the sixth step in viral replication? r...
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