Mirna - Study guides, Revision notes & Summaries
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Biochemistry ACS Exam (All Accurate 100%)
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nucleotides correct answers monomeric unit for nucleic acids and are composed of nitrogenous base, 5-carbon sugar and a phosphate 
 
nucleic acids are biopolymers of correct answers nucleotide monomers 
 
DNA correct answers -more stable 
- carrier of genetic information 
- double stranded 
 
RNA correct answers - less stable 
- intermediate in expression of genetic information 
- can form secondary structure (as in tRNA) by hydrogen bonding with itself 
- not all forms of RNA are intermediates ...
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Genetics Questions exam with correct answers 2024.
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What does every gene require for activation of transcript by RNA poly II? - answer-Non specific proteins (PIC) and elements (TATA) 
 
Right time and place? - answer-specific proteins and elements 
 
RNA poly II has - answer-a lot of binding sites for splicing to occur and synthesize RNA 
 
HDAC inhibitors increase or decrease fetal HgB expression - answer-increases but does not directly interact w polymer 
 
Which of the following could inhibit transcription? - answer-DNA binding proteins that l...
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ACS BIOCHEMISTRY EXAM QUESTIONS AND ANSWERS 2024
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ACS BIOCHEMISTRY EXAM 
QUESTIONS AND ANSWERS 2024 
what are nucleotides? 
nucleotides are the monomer unit for nucleic acids and are composed of nitrogenous 
bases, 5 carbon sugars and a phosphate group. 
nucleic acids are bipolymers of _____ 
nucleotide monomers 
what is DNA and what is its stability? 
DNA is more stable than RNA and carries genetic information, and is double stranded. 
what is RNA and what is its stability? 
RNA is less stable and is an intermediate in expression of genetic in...
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GNRS 515 Advanced Pathophysiology Exam Questions with Correct Answers
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GNRS 515 Advanced Pathophysiology 
Exam Questions with Correct Answers 
 
DNA replication - Answer-untwisted and zipped by hydrogen bonds being broken 
between two pairs 
DNA polymerase - Answer-pairs new bases, aka complementary base pairing (ATCG) 
Chromosome aberrations occur where? - Answer-occurs among number or structure 
Explain base pair substitution - Answer-mutation where ATCG base pairing is mixed 
Missense mutation - Answer-A base-pair substitution that results in a codon that codes ...
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BIO 2120 Exam 2 - Questions and Answers
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BIO 2120 Exam 2 - Questions and Answers RNA secondary and tertiary structure Defined by base pairing that forms stem-loops, critical for fitting onto the ribosome Genetic code collection of codons of mRNA, each of which directs the incorporation of a particular amino acid into a protein during protein synthesis In vitro translation Protein synthesis in a cell-free extract. How many possible codons are there? 64 61 specify an amino acid 3 are stop codons that signal the termination of protein sy...
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BIOL MISC Collection EE Exam Questions And Answers 100%Correct/Verified Assured Satisfaction New Update 2023/2024
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•	A patient with scalp seborrhea , what pharmacological treatment in a shampoo 
a.	Salicylic acid 
b.	Selenium dioxide 
c.	Coal tar 
d.	triclosan 
In mild cases, a topical antifungal cream or medicated shampoo (such as ketoconazole, selenium sulfide and dioxide, coal tar, and zinc pyrithione) may be enough to control symptoms. 
 
•	Where is the anticodon 
a.	tRNA 
b.	mRNA 
c.	DNA 
d.	MiRNA 
Each tRNA contains a distinct anticodon triplet sequence that can form 3 complementary base pairs to o...
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BIO 111 FINAL EXAM QUESTIONS AND ANSWERS LATEST UPDATED 2024/2025 | 100% CORRECT
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What is the first mRNA processing step? - ANSWER 5' capping 
Different mRNAs are made from the same initial pre-mRNA by ________. - ANSWER 
alternative splicing 
RNA transcription begins at a ________. - ANSWER promoter 
________ protect(s) the pre-mRNA molecule. - ANSWER the 3' poly-a tail 
The process of pre-mRNA splicing removes ________. - ANSWER introns 
Spliced ________ differ in their exons. - ANSWER mRNAs 
Identify the three phases of transcription. - ANSWER initiation, elongation, 
te...
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MMSC 490 Exam 2 Questions and Answers All Correct
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MMSC 490 Exam 2 
Questions and Answers All 
Correct 
 
The genomes of salamanders contain ten times more DNA than the genomes of 
humans because salamanders - Answer-have more noncoding DNA than humans have. 
A gene can be defined as a segment of DNA that codes for - Answer-functional product. 
Introns in mRNA-coding genes are the transcribed sequences - Answer-between 
protein-coding sequences. 
In the nucleus, introns are removed from transcripts by - Answer-splicing 
introns can encode - Ans...
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Biochemistry ACS Test Questions and Answers
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Biochemistry ACS Test Questions and Answers 
What are nucleotides? - ANSWER the monomer unit for nucleic acids and are composed of nitrogenous base, 5-carbon sugar & phosphate group 
 
Nucleic Acids are biopolymers categorized as: - ANSWER DNA 
RNA 
 
DNA - ANSWER carrier of genetic information 
 
RNA - ANSWER intermediate in gene expression (not all) 
 
can form secondary structure - tRNA 
 
4 types of RNA - ANSWER tRNA 
rRNA 
siR...
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BIOL303 Exam 3 Ackerson pt 2 (15-19 Questions And Answers Graded A+
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activators - TFs that increase the levels of transcription initiation 
Adaptive mutations - evolutionary change and adaptation to new environments, stressful 
conditions 
darwins birbs 
AP - activator proteins 
ARE - AP2 response elements 
Base analogs (chem induced - 5-bromouracil resembles thymine, except that it has bromine atom 
in place of methyl on 5' C 
base excision repair (BER) - repairs damaged base by using AP endonuclease to cleave damage on 
5' side and DNA polymerase add new base...
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