Frameshift mutations - Study guides, Class notes & Summaries
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BIOL 1408 Key PASSED Exam Questions and CORRECT Answers
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A frameshift mutation could result from - the mutation is caused by an addition or 
deletion of one or more nucleotides. 
What type of RNA carries amino acids to the ribosome? - transfer RNA 
In sickle cell anemia, only one amino acid is changed in the hemoglobin protein. Predict what 
type of mutation has occurred in the hemoglobin gene using the mRNA codons below. 
Normal allele GGAAUGAAACAGGAACCC 
Mutant allele GGAAUGAAACAGGUACCC - substitution 
Frameshift mutations occur when one or more n...
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Microbiology Bio205 Rio Salado Final Exam Essays 2023 with 100% correct answers
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Describe the differences between deletion, insertion, substitution, and nonsense mutations. Provide an example of each using the following piece of DNA: TAC CAG ATA CAC TCC CCT GCT ACT. Indicate if any of the mutations are frameshift, nonsense, or missense mutations. correct answersMutations occur when a base sequence of DNA is permanently changed (Tortora, Funke, & Case, 2016). Mutations can either be harmful to an organism or beneficial depending how it alters a cell and its activity. 
A delet...
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Unit 11 LA: A (Structure and function of nucleic acids)
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This assignment has achieved DISTINCTION grade as it was written well and contains all of the necessary contents such as different types of ribosomes like mRNA, rRNA, tRNA and SiRNA, Transcription, Translation, Triplet codes, Codon, Anticodon, How DNA is used for protein synthesis, and different types of genetic mutations such as Substitute, Deletion, Frameshift, Missense, Nonsense and silent Mutation.
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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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Pathophysiology Test 3: Epigenetics Exam Study Guide
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A nurse recalls the basic components of DNA are: - a phosphate molecule, 
deoxyribose, and four nitrogenous bases 
Which of the following mutations have the most significant effect on protein 
synthesis? - Frameshift mutations 
The base components of DNA are: - A, G, C, and T 
A DNA strand has a region with the sequence ATCGGAT. Which of the following 
would be a complementary strand? - TAGCCTAG 
A biologist is explaining how RNA directs the synthesis of protein. Which process 
is the biologist ...
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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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ADVANCED PLACEMENT (AP) BIOLOGY: DNA, RNA, AND PROTEINS 181 QUESTIONS CORRECTLY ANSWERED | 100% RATED
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Question 1 Which type of mutation does not change an organism's phenotype despite changing its genotype? 
Possible Answers: Frameshift Missense Silent Nonsense Correct answer: 
Silent Question 2 What would be an immediate consequence for a cell with a mutant version of DNA polymerase III that has lost its proofreading function? 
Possible Answers: Cancer EXAM 
Inability to complete the cell cycle Inability to replicate DNA A higher rate of mutations during replication Correct answer: 
A higher r...
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C785 Readiness Exam questions and answers already graded A+| Updated & Verified | 2024
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The LEP gene codes for an anorexigenic hormone. Interestingly, breastfeeding has been shown to alter 
methylation of the promoter of this gene, leading to increased LEP expression. What is likely happening 
in response to breastfeeding? - Breastfeeding decreases the methylation of the promoter of the LEP 
gene, increasing the spacing between nucleosomes. 
A patient with xeroderma pigmentosum is prone to developing multiple skin cancers starting in 
childhood. This occurs because of a mutation in...
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WGU Biochemistry Exam (Latest 2023 - 2024) New Full Exam Questions and Answers ( Included ) 100% Correct
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WGU Biochemistry Exam (Latest 2023 - 2024) New Full Exam Questions and Answers ( Included ) 100% Correct 
 
1. DNA replication is , which allows each of the two strands toserve as a 
for the new strands. 
Answer 
onservative, template: DNA replication is semiconservative, meaningthat 
each new duplex has one original (parent) strand and one new strand. Because the 
two parent strands are separated during replication and the base pairing is 
predictable, each parent strand can serve as a templ...
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BioChem C785 - WGU - Module 1 - all questions Questions and answers already graded A+| Updated & Verified | 2024
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DNA replication is semiconservative, which allows each of the 2 strands to serve as a template for the 
new strands - true 
Recall that the DNA polymerase must bind a double-stranded polymer before it can start making its own 
DNA polymer. What helps the DNA polymerase to overcome this problem in DNA replication? - RNA 
primers 
Several components of cigarette smoke, including benzopyrene, insert themselves into the DNA and 
lead to several types of mutations such as frameshift mutations, includ...
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