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Genetics Final Exam 2023
- Prüfung • 21 Seiten • 2023
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What modification neutralizes the charges on histones and looses up the interactions between histones and DNA? - Answer- ACETYLATION 
 
Two types of post-transcriptional modifications that take place in the mRNA of eukaryotes - Answer- the addition of a CAP at the 5' end of the transcript and the addition of a POLY A sequence at the 3' end of the message 
 
Nucleic acid blotting is widely used in recombinant DNA technology. In a Southern blot one generally - Answer- Hybridizes filter-bound DNA w...
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MMSC 490 exam 2 (A+ Guaranteed)
- Prüfung • 6 Seiten • 2023 Beliebt
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Aminoacyl-tRNA syntheses are enzymes that.... correct answers attach amino acids to specific transfer RNAs 
 
Which of the following statements about introns is true? correct answers Some types of organisms generally do not have introns 
 
The primary function of factor EF-G is to... correct answers move the peptide-tRNA from the A site of the ribosome 
 
In bacteria, mRNAs are.... correct answers transcribed and translated simultaneously 
 
The combined sizes of prokaryotic and eukaryotic ribos...
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GCU BIO 181 FINAL EXAM 4 with Complete Solutions
- Prüfung • 6 Seiten • 2023
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The tryptophan operon is a repressible operon that is: - ANSWER-Turned off whenever tryptophan is added to the growth medium. 
 
The lactose operon is likely to be transcribed when: - ANSWER-The cyclic AMP and lactose levels are both high within the cell. 
 
For a repressible operon to be transcribed, which of the following must occur? - ANSWER-RNA polymerase must bind to the promoter, and the repressor must be inactive. 
 
Which of the following, when taken up by the cell, binds to the represso...
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Bio Core II Exam 1 | Actual Exam Questions | 100% Correct Answers | Verified 2024 Version
- Prüfung • 8 Seiten • 2024
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which of the following statements regarding a DNA double helix is always true? - the amount of 
adenine is equal to the amount of thymine, and the amount of guanine is equal to the amount of 
cytosine 
working in a coroner's office, you are investigating the mysterious death of a person found in the 
wooded area in the spring of the year. during a cellular analysis of this body, you learn that the levels of 
mRNA that can be obtained from critical tissues are very low, and you find mushrooms in...
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BIO 2120 Exam 2 - Questions and Answers
- Prüfung • 14 Seiten • 2023
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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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Problem Sets BIOL 111 – Fletcher LATEST 2023-2024 ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
- Prüfung • 18 Seiten • 2023
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Problem Sets BIOL 111 – Fletcher LATEST 
 ACTUAL EXAM QUESTIONS AND 
CORRECT ANSWERS (VERIFIED ANSWERS) 
|ALREADY GRADED A+ 
A particular eukaryotic protein is 800 amino acids long. Which of 
the following could be the maximum number of nucleotides in the 
coding sequence of the mature mRNA that codes for the amino 
acids in this protein? - CORRECT ANSWER 2,400 
The purpose of a spliceosome is to: - CORRECT ANSWER 
remove introns and bring together exons in an mRNA molecule 
Proto-oncog...
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Chapter 13 Practice Exam 42 Questions with Verified Answers,100% CORRECT
- Prüfung • 10 Seiten • 2024
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Chapter 13 Practice Exam 42 Questions with Verified Answers 
 
Which of the following is a type of RNA that gets translated? 
A) rRNA 
B) mRNA 
C) tRNA 
D) miRNA 
E) A, B, and C all get translated. - CORRECT ANSWER B 
 
Which of the following RNA molecules are required for the process of translation? 
A) crRNA 
B) tRNA 
C) snRNA 
D) snoRNA 
E) siRNA - CORRECT ANSWER B 
 
Over time, DNA replaced RNA as the primary carrier of genetic information, and the chemical stability of DNA is believed to be...
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BIO 111 FINAL EXAM QUESTIONS AND ANSWERS LATEST 2024/2025 (100% CORRECT)
- Prüfung • 12 Seiten • 2024
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BIO 111 FINAL EXAM QUESTIONS AND ANSWERS LATEST 2024/2025 (100% CORRECT) 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 
Identif...
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CHM 522 Exam 4 study guide Material verified 100% to enable in acing in your exams
- Prüfung • 7 Seiten • 2023
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CHM 522 Exam 4 study guide Material verified 100% to enable in acing in your exams 
 
 
 
Prokaryotic RNAP - Synthesize RNA from DNA 
antisense (noncoding) strand - template strand 
sense (coding) - matches the RNA produced 
prokaryotic gene structure (operon) - single control point for multiple gene products that are transcribed as one unit 
polycistronic - single mRNA contains multiple translation sites (prokaryotic) 
monocistronic - single mRNA has only one translation...
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ADVANCED PLACEMENT (AP) BIOLOGY: Understand Steps Of Transcription 29 Questions Correctly Answered | 100% Rated
- Prüfung • 14 Seiten • 2023
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ADVANCED PLACEMENT (AP) BIOLOGY: 
 
Understand Steps Of Transcription 
29 Questions Correctly Answered | 100% Rated 
Question 1 
Histones are most closely linked to which of the following processes? 
Possible Answers: 
Crossing over of genetic information 
Eukaryotic cell division 
Chromosome formation 
Synthesis of ATP in the nucleolus 
Correct answer: 
Chromosome formation 
Question 2 
Which of the following proteins is essential for transcription? 
Possible Answers: 
DNA polymerase 
Tr...
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