RNA-splicing Study guides, Class notes & Summaries
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Module 2 Exam Practice 113 Questions with Verified Answers,100% CORRECT
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Module 2 Exam Practice 113 Questions with Verified Answers 
 
What does RNA Pol I transcribe? - CORRECT ANSWER rRNA 
 
What does RNA Pol II transcribe? - CORRECT ANSWER mRNA 
snRNA 
 
What does RNA Pol III transcribe? - CORRECT ANSWER tRNA 
rRNA 
snRNA 
 
What is wrong with this definition of a gene? "A gene consists of DNA sequences that encode a single polypeptide" - CORRECT ANSWER 1. Not all genes are DNA sequences (RNA viruses) 
2. Not all RNA molecules encode for a single polypeptide 
 
L...
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Biochemistry Exam 3 Practice Tests 225 Questions with Verified Answers,100% CORRECT
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Biochemistry Exam 3 Practice Tests 225 Questions with Verified Answers 
 
The complementary strand for the sequence 5' GCACTTCG 3' is - CORRECT ANSWER 5' CGAAGTGC 3' 
 
Polysomes...? 
 
(a) contain multiple mRNA's 
(b) contain multiple DNA's 
(c) contain multiple ribosomes 
(d) contain multiple RNA polymerases 
(e) a and c - CORRECT ANSWER (c) contain multiple ribosomes 
 
"Multiple ribosomes initiate on a SINGLE mRNA Polyribosomes or polysomes"- Ch 7 
 
Proliferating cell nuclear ...
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USABO Open Exam 2024 | 100%Correct Answers Verified Latest 2024 Version.
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USABO Open Exam 2024 | 100%Correct Answers Verified Latest 2024 Version. 
1. 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 le...
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BIOCHEM406 Practice Exam 3|103 Questions with Verified Answers,100% CORRECT
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BIOCHEM406 Practice Exam 3|103 Questions with Verified Answers 
 
Pick the best answer. 
A) The ratio of purine to pyrimidine 2 ́-deoxyribonucleotides in cells is always very close to 1. 
B) The ratio of (A+T) to (G+C) in cellular RNA polymers is always very 
close to 1. 
C) The ratio of (A+T) to (G+C) in cellular DNApolymersis always very 
close to 1. 
D) Answers B and C. 
E) Answers A and B and C. - CORRECT ANSWER A) The ratio of purine to pyrimidine 2 ́-deoxyribonucleotides in cells is alwa...
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WGU C785 FINAL EXAM Questions With Correct Answers Latest 2024 GRADED (Biochemistry Units 2-7)
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WGU C785 FINAL EXAM Questions With Correct Answers Latest 2024 GRADED (Biochemistry Units 2-7) What is the basic structure of an amino acid? What do they look like? - Answer amino 
group (NH2 or NH3), carboxyl group (COO or COOH), alpha carbon (C), and variable 
group 
How do you identify the 3 different types of side chains: non-polar/hydrophobic, polar, 
and charged? - Answer Non-polar/hydrophobic - end with CH or "can't have" water. 
Polar - end with OH, SH, or NH. Charged - end with a cha...
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Genetics final study guide intro to molecular genetics mls 400 oakland
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Genetics final study guide intro to molecular genetics mls 400 oakland 
 
Genetics Final Exam 
Important definitions 
Base: pyrimidines & purines (C, U, T) (A, G) 
Nucleoside: base + sugar (phosphorylated to become a nucleotide) Nucleotide: phosphate group + sugar + base 
Sugar may be ribose (RNA) or deoxyribose (DNA - missing hydroxyl group) Antiparallel: 2 sequences have opposite orientation with regard to their 5’ & 3’ ends Complementary: AT/GC rule; purines bond to pyrimidines, and vice ...
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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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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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Duquesne Biology 111 Exam 1 Review Questions and Answers 2024
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which of the following components of an amino acid differs from one amino acid to another - Answerthe R group 
Sometimes atoms gain or lose particles. The loss of which of the following would result in a change of 
overall electrical charge? - Answer-protons or electrons 
what is the cell theory - Answer-1. theof cells 
A pair of shared valence electrons is referred to as a(n) - Answer-covalent bond 
scientists wanted to track the movement of specific organic molecules in a cell by using radioac...
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ADVANCED PLACEMENT (AP) BIOLOGY: Transcription 32 Questions Correctly Answered | 100% Rated
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ADVANCED PLACEMENT (AP) BIOLOGY: 
 
Transcription 
32 Questions Correctly Answered | 100% Rated 
Question 1 
Which of the following statements about post-transcriptional processing is true? 
Possible Answers: 
A methylguanine cap is added to the 3' end of the mature mRNA 
Exons are spliced out of hnRNA and are not part of the mature mRNA 
Post-transcriptional hnRNA processing prevents RNA from degrading as it leaves the nucleus 
A poly-A tail is added to the 5' end of the mature mRNA 
Cor...
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