The 4 nitrogenous bases - Study guides, Class notes & Summaries
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BIO-1402- CH. 22 the Origin and History of Life Questions and Answers 100% Pass
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BIO-1402- CH. 22 the Origin and History 
of Life Questions and Answers 100% 
 
Pass 
 
Cell Theory 1. All organisms are composed of cells 
2. Cells are the smallest living things 
3. Cells arise only from pre-existing cells 
 
What are the required minimal set of macromolecules protobionts must have? 1. Self- 
replicating lipid vesicles 
 
2. Self-replicating genetic material. 
 
Plausible progression of Cells 1. Formation of organic molecules (spontaneous) 
2. Formation of organic polymers 
3. ...
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BIOD 210 Genetics Final Exam With Questions and Answers 100% Solved
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BIOD 210 Genetics Final Exam With 
Questions and Answers 100% Solved 
A nucleotide is made up of what 3 components? - answerphosphate group, pentose sugar 
(deoxyribose in DNA and ribose in RNA), and a nitrogenous base 
What nitrogenous bases are purines - answerAdenine and Guanine 
What nitrogenous bases are pyrimidines? - answercytosine, thymine, uracil 
How can you differentiate between purines and pyrimidines? - answerpurines are double- 
ringed while pyrimidines are single-ringed 
What are ...
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BIOD 210 Genetics Final Exam With Questions and Answers 100% Solved
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BIOD 210 Genetics Final Exam With 
Questions and Answers 100% Solved 
A nucleotide is made up of what 3 components? - answerphosphate group, pentose sugar 
(deoxyribose in DNA and ribose in RNA), and a nitrogenous base 
What nitrogenous bases are purines - answerAdenine and Guanine 
What nitrogenous bases are pyrimidines? - answercytosine, thymine, uracil 
How can you differentiate between purines and pyrimidines? - answerpurines are double- 
ringed while pyrimidines are single-ringed 
What are ...
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Biology 1406 Collin College -Biol 1406 Exam 1 Ch 1-3 verified to pass
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Biol 1406 Exam 1 Ch 1-3What are the 4 classes or groups of biomolecules? - correct answer Carbohydrates 
Lipids 
Proteins 
Nucleic Acids 
 
Monomers or building blocks of carbohydrates are ____. - correct answer Monosaccharides 
(such as glucose) 
 
Monomers or building blocks of lipids are ____. - correct answer Fatty Acids and Glycerol 
 
Monomers or building blocks of proteins are ____. - correct answer Amino Acids 
 
Monomers or building blocks of nucleic acids are ____. - correct answer Nuc...
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PRELIMS LEC Exam Questions and Answers 2024
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PRELIMS LEC Exam Questions and Answers 2024 
b. Ribose, deoxyribose - Answer-The sugar component in RNA is______, while 
______in DNA. 
a. Ribose, bases 
b. Ribose, deoxyribose 
c. Deoxyribose, ribose 
d. Phosphate, ribose 
c. Both covalently and hydrogen bonded to a sugar - Answer-Nucleoside is a pyrimidine 
or purine base 
a. Ionically bonded to a sugar 
b. Hydrogen bonded to a sugar 
c. Both covalently and hydrogen bonded to a sugar 
d. Covalently bonded to a sugar 
b. Connect the sugar to th...
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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 ...
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Biology 198 Module 4 Exam with Complete Solutions
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Biology 198 Module 4 Exam with 
 
Complete Solutions 
 
What is the Central Dogma of molecular biology? The central dogma of molecular biology 
explains that DNA encodes RNA through a process called transcription and RNA encodes 
protein through a process called translation. 
 
Describe how the information in DNA is used to produce specific proteins and can ultimately 
determine the characteristics of an individual organism. because of your DNA the certain 
RNA strand is coded from genes resulti...
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Pathophysiology Exam 1 Question and answers 2024 verified to pass
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Pathophysiology Exam 1 Question and answers 2024 verified to passPathophysiology Exam 1- ETSU Nursing 
 
Mutation - correct answer Any inherited alteration of genetic material. 
 
DNA - correct answer Deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information. 
 
What is DNA composed of? - correct answer It is a double helix model- The ladders are composed of deoxyribose and p...
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2024/2025 MCAT Biology: Complete and Verified Exam Revision Questions with Detailed Answers for Exam Preparations
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Central Dogma 
DNA → RNA → Protein 
Purines 
- which bases? 
- how many rings? 
Pyrimidines 
- which bases? 
- how many rings? 
Remember: "Pyrimidine" has a "y" in it; so does "cytosine" and "thymine." 
Phosphodiester Bond 
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) 
5' → 3' 
(but strands are antiparallel, so the other strand is opposite) 
3' of DNA atta...
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Biology 1001 (J. Cordes) Questions and Answers Already Passed
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Biology 1001 (J. Cordes) Questions and 
 
Answers Already Passed 
 
1. **What was the chemical explanation for the incident involving Ms. Ramirez on February 19, 
1994, at Riverside Hospital?** 
- Dimethyl sulfoxide (DMSO) applied to Ms. Ramirez's skin converted to dimethyl 
sulfone, which then broke down into dimethyl sulfate and vaporized during a blood draw. 
 
2. **According to the article "Death Beds," what percentage of healthcare professionals neglect 
proper hand hygiene between pati...
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