Silent mutation - Study guides, Class notes & Summaries

ADVANCED PATHOPHYSIOLOGY- UTMB 5355 EXAM 1 ALREADY PASSED Transcription synthesis of RNA from DNA Transcription results in mRNA RNA polymerase makes mRNA mRNA makes proteins RNA polymerase binds to DNA Transcription factors (TFs) A regulatory protein that binds to DNA and affects transcription of specific genes. Can wither activate or repress expression of genes Termination of transcription RNA polymerase reaches a terminator sequence (Stop codon) and detaches from the te...

Question 1 What is the result of a silent mutation? Possible Answers: There is no change to the peptide product Inclusion of a different amino acid A shift in the reading frame that results in a nearly completely different protein Early termination of translation Correct answer: There is no change to the peptide product Question 2 Which of the following describes abortive initiation? Possible Answers: The inability of the initiation complex to form Short cycles of RNA synthesis EXAM RNA poly...

Multiple sclerosis A chronic disease of the central nervous system marked by damage to the myelin sheath. Plaques occur in the brain and spinal cord causing tremor, weakness, incoordination, paresthesia, and disturbances in vision and speech What does dopamine do? influences movement, learning, attention, and emotion. Dopamine enables neurons in your brain to communicate and control movement. silent mutation A mutation that changes a single nucleotide, but does not change the amino a...

A mutation that does not cause a disease but that is unstable at mitosis and meiosis and can change into a pathogenic mutation. post-zygotic (somatic) mutation missense mutation dynamic mutation premutation correct answers premutation A pathogenic mutation that is unstable at mitosis and meisis result in progressively severe phenotypes becayse oligonucleotides repeat in length and can increase from one generation to the next. post-zygotic (somatic) mutation missense mutation dynami...

MB ASCP CONNECT QUESTIONS AND ANSWERS GRADED A What is translocation is associated with Burkitt's Lymphoma? a. t(18; 14) b. t(9; 22) c. t(8; 14) d. t(15; 17) - Answer ️️ -t(8; 14) TIP: Burkkitt's 8 letters, Locus PF Child Paternity Index LOC-A1 3 2/3 2.18 LOC-B2 7/5 5 0.798 LOC-C3 17/17 9/17 5.21 LOC-D4 12 12 1.37 Based on the data presented in the table above and with a prior probability (PP) of 0.5, the probability of paternity in this case is : a. 92.5% b. 99.5% c. 90.5...

LIFESCI 2G03 Term Test 1 Questions and Answers Fall 2024 with complete Solution; McMaster University Multiple Choice Questions Choose the one alternative that best completes the statement or answers the question. 1. Assume that a wild-type sequence is 5' AGCCTAC 3'. Which sequence could be produced by a transversion? A. 5' ATCCTAC 3' B. 5' AGCCCAC 3' C. 5' AGCCGCCGCCGCCTAC 3' D. 5' AGCCTGC 3' 2. In an organism DNA, an (A) base is changed to a (C) and the error is ...

Human somatic cells have _____ pairs of chromosomes? a. 46 b. 23 c. 22 d. 2 - ANSWER Human somatic cells have 46 chromosomes that exist as 23 pairs. One half of each chromosome pair is inherited from each parent. Which of the following have sex-linked recessive inheritance? a. Hemophilia A b. Factor VII Deficiency c .von Willebrand's Disease d. Factor V Deficienc - ANSWER Hemophilia A and Hemophilia B are sex-linked Remember that "sex-linked" means that the gene is carried on eit...

MCAT - Bio/Biochem Exam Practice Questions and Answers Graded A defunct mRNA translation in bacteria would... - Correct Answer ️️ -prevent cells from replicating. lysogenic cycle - Correct Answer ️️ -a viral reproductive cycle in which the viral DNA is added to the host cell's DNA and is copied along with the host cell's DNA Lytic phase or lytic cycle - Correct Answer ️️ -phage replicates immediately, destroying the host cell (All phages carry out this life cycle) protein p...

WGU C785 OA Biochem Final Exam (New assessment style Q&A) 1. What is the complementary sequence to 3’ ATG CGA ATA 5’? * 1/1 3’ TAT TCG CAT 5’ 3’ TAC GCT TAT 5’ 3’ GAT AGC ATA 5’ 5’ ATA AGC GTA 3’ 2. Which amino acid sequence would result from this Coding DNA strand? 3’ ATG CAG ATA 5’? * 1/1 Tyr Val Tyr Ile Gln Ile Ile Asp Val Feedback The correct answer is 3' TAT TCG CAT 5'. Remember complementary means “Matching or Pairing” You have to remember to pay...

*Sickle Cell* Genetics Phenotype Diagnosis Treatment correct answers *Genetics:* HbSS Gluexon6Val mutation in HBB gene chr. 11p15.4 *Phenotype:* Structurally abnormal Hb Manifests at 6-12 months (HbF --> HbA) Painful crises, anemia, organ damage, pulmonary HTN *Diagnosis:* Hb electrophoresis *Treatment:* hydroxyurea (stimulates HbF) *Alpha-thalassemia* Genetics Phenotype correct answers *Genetics:* 2 alpha globin genes (4 alleles) chr. 16 *Phenotype:* aa/ao = silent ...