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IU / Biology / BIOL 211 / bio 211 exam 4

bio 211 exam 4

bio 211 exam 4

Description

School: Indiana University
Department: Biology
Course: Molecular Bio
Professor: Joseph pomerening
Term: Fall 2014
Tags: stem, cells, RNA, and DNA
Cost: 50
Name: BIOL 211 Exam 3 Study Guide
Description: Exam practice questions for test #3
Uploaded: 03/15/2017
4 Pages 130 Views 0 Unlocks
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The SECIS element helps direct incorporation of what amino acid into proteins?




Northern blotting is used to detect levels of what type of biological molecule?




Dicer processes long dsRNA molecules to yield what class of regulatory RNA?



BIOL-L 211 Spring 2017 – Zentner Practice problems for quiz 3 and exam 3 Questions that could appear on quiz 3 OR exam 3 are listed first; these cover material  from January 28 to March 23. Questions that could appear only on exDon't forget about the age old question of biol 213 gmu
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am 3 are listed  second; these cover material from March 28. Quiz 3/Exam 3 1. Which of the following is a false statement regarding the genetic code? A. It is commaless B. It varies widely between different organisms C. It is degenerate D. It is non-overlapping 2. Which of the following factors, used to reprogram adult cells to pluripotency, is  associated with cancer? A. Oct4 B. Klf4 C. Sox2 D. c-Myc 3. Dicer processes long dsRNA molecules to yield what class of regulatory RNA? A. siRNA B. miRNA C. piRNA D. lncRNA 4. Which of the following chromatin features would you not expect to find at a bivalent  domain? A. H3K4me3 B. H3K9me3 C. H3K27me3 D. RNAPII 5. Northern blotting is used to detect levels of what type of biological molecule? A. DNA B. Protein C. RNA D. Lipids 6. The SECIS element helps direct incorporation of what amino acid into proteins? A. Selenocysteine B. Cysteine C. Pyrrolysine D. Tyrosine 7. tRNAs can recognize multiple codons, a feature called:A. Degeneracy B. Mispairing C. Wobble D. Imprecision 8. X inactivation involves what type of regulatory RNA? A. lncRNA B. miRNA C. piRNA D. siRNA 9. The full range of transcripts expressed in a particular cell type is referred to as that  cell’s: A. Expressome B. Genome C. Transcriptome D. Proteome 10. Which of the following site order correctly represents the movement of a tRNA  through the ribosome during translation? A. A-P-E B. P-A-E C. P-E-A D. E-P-A 11. To assist with bacterial translation initiation, the 16S rRNA makes contact with what  feature of the mRNA to be translated? A. Kozak sequence B. AUG start codon C. Shine-Dalgarno sequence D. Stop codon 12. Factors that are capable of reprogramming cellular identity are generally of what  protein type? A. Chromatin remodelers B. Transcription factors C. Cytoskeletal proteins D. Histones 13. In addition to transcript level, RNA-seq gives information on what co-transcriptional  RNA processing step? A. Capping B. Polyadenylation C. Cleavage D. Splicing 14. What is the differentiation potential of a pluripotent stem cell? A. All cell types in the adult organism B. Nearly all cell types in the adult organismC. A limited number of cell types in a specific family (i.e., blood) D. A single cell type in the adult organism 15. Which of the following ribosomal poisons does not remove a single base from the  28S rRNA? A. Ricin B. Shiga toxin C. Exotoxin A D. Saponin 16. Targeting of proteins for proteasomal degradation involves what post-translational  modification? A. Ubiquitination B. Methylation C. Phosphorylation D. Acetylation 17. Which of the following pairs of subunits represents the large and small subunits of  the bacterial ribosome? A. 50S and 30S B. 50S and 40S C. 60S and 30S D. 60S and 40S Exam 3 1. Mutational tolerance of proteins is due to what feature of the genetic code? A. Degeneracy B. Lack of commas C. Non-overlapping D. Universality 2. Insertions or deletions of nucleotides in numbers that are not multiples of three cause  what type of mutation? A. Nonsense B. Missense C. Frameshift D. Silent 3. Trinucleotide repeat expansion mutations are caused by errors in what process? A. Translation B. Transcription C. Replication D. RNA editing 4. Trinucleotide repeat expansion disorders frequently involve expansions of codons for  what amino acid? A. Glycine B. GlutamineC. Glutamic acid D. Asparagine 5. What is the Muller morph corresponding to a protein that has gained a novel function  via mutation? A. Hypomorph B. Antimorph C. Hypermorph D. Neomorph 6. What type of large-scale chromosomal rearrangement is responsible for the creation  of the Philadelphia chromosome? A. Inversion B. Translocation C. Deletion D. Insertion  7. Which of the following chromosomal rearrangements would you expect to generate  hypomorphic mutations? A. Translocation B. Inversion C. Duplication D. Deletion

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