RNA-splicing Study guides, Class notes & Summaries
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WGU c785 BIOCHEMISTRY UNIT QUESTIONS AND ANSWERS (2023/2024) [GRADED A LATEST ]
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WGU c785 BIOCHEMISTRY UNIT 
QUESTIONS AND ANSWERS (2023/2024) 
[GRADED A LATEST ] 
polymerase chain reaction (PCR) - CORRECT ANSWER process to copy DNA 
What is needed to complete PCR - CORRECT ANSWER Template DNA, 
Nucleotides (dNTPS), DNA Polymerase, and DNA 
Steps of PCR - CORRECT ANSWER denaturation, annealing, elongation 
denaturation - CORRECT ANSWER loss of normal shape of a protein due to heat 
or other factor 
Annealing - CORRECT ANSWER cooled to 50c primers stick and want to copy 
...
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USABO Open Exam 2024 Questions And Answers VERIFIED
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Why is myelin important in the nervous system? A. It allows signals to travel faster along axons because depolarization occurs only at myelinated locations. B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. C. It bundles the dendrites of adjacent neurons together. D. It increases capacitance across the cell membrane, which helps electrical signals to leave the axons. E. It traps neurotransmitters, increasing their concentrations in t...
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BIO Exam 4 Practice Test 174 Questions with Verified Answers,100% CORRECT
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BIO Exam 4 Practice Test 174 Questions with Verified Answers 
 
The term polycistronic mRNA means: 
A.There is more than one mRNA strand produced during each round of transcription. 
B.There are multiple promotors to initiate transcription of this RNA. 
C.There are multiple operators for transcription of this RNA. 
D. There are multiple open reading frames in the mRNA produced. - CORRECT ANSWER D 
 
Please choose the true statement: 
A. During replication, the DNA leading strand is polymerized i...
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PEBC Part I sample questions and answers already passed
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PEBC Part I sample questions and answers already passed 
1 Folic acid has tetrahydrofolate coenzyme activity which is based on the: a. pyrimidine ring. b. purine ring. c. pyrazine ring. d. pteridine ring. e. pyridine ring. d 
2 Enkephalins are peptides that: a. have narcotic antagonist activity. b. exert actions resembling those of opioids. c. are found only in the central nervous system. d. cause blood vessel wall relaxation. e. transmit pain impulses. b 
3 β-Carotene is the precursor of: a. r...
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Kaleys Comprehensive Study Guide final exam 2024 latest update
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•	DNA = phosphate + deoxyribose sugar + A/T/C/G 
o	Contains two strands. The strands are antiparallel (opposite each other). 
o 5’ → 3’ 
3’ ← 5’ 
•	RNA = phosphate + ribose sugar + A/U/C/G 
o	Single strand, can fold back onto itself and form pairs between itself (stem‐loop). 
•	Each nucleic acid is made up of polymers (many monomers) that are called nucleotides. 
o	Nucleotides contain one or more phosphates, a five‐carbon sugar, and a nitrogen base. 
o	Nucleotides are alway...
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PEBC exam 2023 with 100% correct answers
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1 Folic acid has tetrahydrofolate coenzyme activity which is based on the: 
a. pyrimidine ring. 
b. purine ring. 
c. pyrazine ring. 
d. pteridine ring. 
e. pyridine ring. 
d 
 
 
 
2 Enkephalins are peptides that: 
a. have narcotic antagonist activity. 
b. exert actions resembling those of opioids. 
c. are found only in the central nervous system. 
d. cause blood vessel wall relaxation. 
e. transmit pain impulses. 
b 
 
 
 
3 β-Carotene is the precursor of: 
a. retinol. 
b. thiamine. 
c. calcif...
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GCD Exam 2 Practice Test Comp 86 Questions (chp 9-13) with Verified Answers,100% CORRECT
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GCD Exam 2 Practice Test Comp 86 Questions (chp 9-13) with Verified Answers 
 
Which of the following could be the components of a single nucleotide found in DNA? 
a. Ribose, phosphate, and cytosine 
b. Deoxyribose, phosphate, and uracil 
c. Deoxyribose, phosphate, and adenine 
d. Ribose, phosphate, and uracil - CORRECT ANSWER c. Deoxyribose, phosphate, and adenine 
 
2. Which of the following is NOT a feature of the DNA double helix? a. It obeys the AG/TC rule. 
b. There are 10 nucleotides...
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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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Test Bank Porth Pathophysiology Concepts of Altered Health States 2nd Canadian Edition
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Test Bank Porth Pathophysiology Concepts of Altered Health States 2nd Canadian EditionTable of Contents Chapter 01: Concepts of Health and Disease .......................................................................................................... 2 Chapter 02: Concepts of Altered Health in Children ............................................................................................. 13 Chapter 03: Concepts of Altered Health in Older Adults ............................................
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Biol 230 Exam 2 Questions and Answers Already Passed
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Biol 230 Exam 2 Questions and Answers 
Already Passed 
What makes cell same or different? - ️️ Different cell types have the same gene, 
protein makes cell different. 
What is central dogma (a.k.a. gene expression)? - ️️ genetic information (DNA strand) 
is transcribed into RNA and then translated into proteins 
What is exon? - ️️ RNA sequences in the primary transcript that are found in the 
mRNA 
What is intron? - ️️ 1.a non-protein coding 2.RNA sequences between exons that are...
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