Mirna - Study guides, Revision notes & Summaries

Honors Biology First Semester Final Exam with Complete Solutions What is the term for the process by which cells convert atmospheric nitrogen into a usable form for plants? Nitrogen Fixation What is the name of the small RNA molecules that regulate gene expression by targeting mRNA for degradation? MicroRNA (miRNA) What is the term for the process in which an organism produces offspring that are genetically identical to itself? Asexual Reproduction What is the name of the...

nucleotides Ans- monomeric unit for nucleic acids and are composed of nitrogenous base, 5-carbon sugar and a phosphate nucleic acids are biopolymers of Ans- nucleotide monomers DNA Ans- -more stable - carrier of genetic information - double stranded RNA Ans- - less stable - intermediate in expression of genetic information - can form secondary structure (as in tRNA) by hydrogen bonding with itself - not all forms of RNA are intermediates in expression of genetic information - sing...

Exam 1 LMR questions and answers Draw out medically important bacteria Lac operon sequence lacl, codes for repressor, C-P-O, ZYA Example of a isoform tropomyosin, an actin filament binding protein 3 functions of RNAi naturally in body proliferation, differnetiation, apoptosis What is miRNA double stranded RNA with guide sequence, binds to mRNA and RISC to form RISC complex to degrade mRNA for gene regulation What is RISC RNA induced sil...

ADVANCED PLACEMENT (AP) BIOLOGY MACROMOLECULES 139 QUESTIONS CORRECTLY ANSWERED |100% RATED Question 1 Which of the following is one of the primary functions of carbohydrates? Possible Answers: Protect cell organelles Energy storage Catalyze chemical reactions Maintain genetic fidelity Correct answer: Energy storage Question 2 Which of the following is a carbohydrate? Possible Answers: Lipase Cholesterol miRNA Mannose Correct answer:

Fl5 AAMC [511] Exam Questions and Answers (Graded A) [Incorrect - Misread the least likely and started backwards so assumed that it wanted the most likely] Question 2 - Passage 1 Based on Figure 1, which patient is LEAST likely to benefit from therapy with immunosuppressors? A patient whose transplanted kidneys are associated with miRNA expression patterns characterized by: A. high levels of miR-155 B. low levels of let-7c. C. high levels of miR-30a-3p. D. low levels of miR-10b. -Answe...

[Incorrect - Misread the least likely and started backwards so assumed that it wanted the most likely] Question 2 - Passage 1 Based on Figure 1, which patient is LEAST likely to benefit from therapy with immunosuppressors? A patient whose transplanted kidneys are associated with miRNA expression patterns characterized by: A. high levels of miR-155 B. low levels of let-7c. C. high levels of miR-30a-3p. D. low levels of miR-10b. - Answer- C. Least likely to benefit from therapy w...

Draw out medically important bacteria Lac operon sequence lacl, codes for repressor, C-P-O, ZYA Example of a isoform tropomyosin, an actin filament binding protein 3 functions of RNAi naturally in body proliferation, differnetiation, apoptosis What is miRNA double stranded RNA with guide sequence, binds to mRNA and RISC to form RISC complex to degrade mRNA for gene regulation What is RISC RNA induced silencing complex Artifcial RNAi siRNA- short infererence RNAs Explain mRNA editin...

Fl5 AAMC [511] Exam Questions and Answers (Graded A) [Incorrect - Misread the least likely and started backwards so assumed that it wanted the most likely] Question 2 - Passage 1 Based on Figure 1, which patient is LEAST likely to benefit from therapy with immunosuppressors? A patient whose transplanted kidneys are associated with miRNA expression patterns characterized by: A. high levels of miR-155 B. low levels of let-7c. C. high levels of miR-30a-3p. D. low levels of miR-10b. -Answe...

Eukaryotic promoters have a basal region which can contain a TATA box, initiator (Lnr), BRE (TFIIV recognition element) and what other element? ~~> Downstream core promoter (DPE) In prokaryotes RNA polymerase requires what co-factor? ~~> 70 sigma factor Forms the holoenzyme The promoter is formed of two hexameric sequences at what positions? ~~> -35 and -10 The amount of product transcribed is dependant on how close the promoter sequences are to what? ~~> Consensus s...

FGP Quiz 4 Exam Questions With Verified Answers. Based on nomenclature mir-112a and mir-112b are: - brothers - sisters - parent-child - neighbours - evolutionarily related - answersisters When comparing genomes of all organisms, the component that really differentiates us is the quantity of - mRNA - miRNA - siRNA - non-coding DNA - answernon-coding DNA miRNA is transcribed by - RNA Pol I - RNA Pol II - RNA Pol III - RNA Pol IV - RNA Pol V - answerRNA Pol II The founding membe...