Which of the following represents a palindrome sequence? ACCTTCCA ATTCCAAT GATTAATC GGTAATCC NONE OF THE ABOVE...
1. Which of the following is NOT a weak noncovalent bond? A. Disulfide bond B. Ionic interaction in aqueous solution C. Hydrogen bond D. Van der Waals interaction. 2. Which of the following amino acid is polar? A. Valine B. Alanine C. Glutamine D. Glycine 3. Which of the following solution has the highest pH? A. 0.1 M HCl B. 0.1 M NaOH C. 1 M NaOH
21. Which of the following compounds has the highest boiling poin A) A 22. Which of the following compounds is (are) predicted to be water soluble? B) B с) с D) D Both A and 1 are walcr seluble ure all water soluhc A)A B)B C) C D) D E) E 23. Consider the molecule acetic acid drawn below. What types of intermolecular forces exist between two molecules of this compound? он acetic acid A) Van der Waals only C)...
Which one of the following is true? a. tRNA synthetase loads the correct amino acid on tRNA b. Ribosomes read RNA in the 5'+3' direction during protein synthesis c. STOP codons are degenerate d. DNA transcription produces mRNA in bacteria e. a, b, d f. a, d g. None of the above h. All of the above Which of the following destabilizes the tertiary structure of proteins? a. Hydrophobic (nonpolar) interactions b. Dipole moments between parallel alpha helices c. Van...
Consider the following sequence (5’ – GUCCAUCA – 3’) that represents a segment of the mRNA produced by a virus. Suppose the virus was a negative-strand RNA virus. What would the corresponding genomic sequence be? 5’ – GUCCAUCA – 3’ 5’ – GTCCATCA – 3’ 3’ – CAGGTAGT – 5’ 3’ – CAGGUAGU – 5’ None of the above
If a strand of DNA of sequence 5’-TGGACCTAGACC-3’ is replicated, which of the following accurately represents the newly synthesized DNA strand? A. 3’-ACCTGGATCTGG-5’ B. 5’-ACCTGGATCTGG-3’ C. 5 -’ACCUGGUTCTGG - 3' D. 3’-ACCUGGUTCTGG-5'
The ph Cas e. 28. The pOH a solution of 0.04 M HCI is: 1.4 a. b. 10 c. 12.6 d. 13.6 The pOH cannot be determined e. awhn thu hydvogen d. It is impossible to predict. 25. Identify the conjugate acids and bases in the following pairs of substances. (CH3)3NH*/ (CH3)3N b. 'HN-CH2COOH/H3N-CH2COO a. c. H3N-CH2COO/ H;N-CH2-COo OOC-CH2-COOOH/0OC-CH2-COO 0oc-CH2-COOH / COOH-CH2-COO d. e. for water Kw is equal to: d. They teno o dcerc e. They do not have...
1. Which of the following amino acids has the most hydrophobic side chain? a). E b). F c). S d). W e). Y 2. Which type of non covalent interaction would you expect to be present between Cl- and H2O? a). Ionic interactions ("salt links") b). Hydrogen bonds c). Van der Waals interactions d). Ion-dipole interactions For the first question, I have F and W both being hydrophobic chains but am unsure why or how to tell which one would...
You have a segment of mRNA that contains the following sequence: 5-ALAGGCAUUCGAUCCGGAUAGCAU-3'. Which of the following ONA molecules would be the template strand from which this segment of mRNA was produced? 3-TATCCGTAAGCTAGGCCTATCGTA 5 3'-TACGATAGGCCTAGCTTACGGATAS 3 AUCGUAUCCGGAUCGAUGCCUAUS none of the above
1 Which of the following represents one of the mechanisms by which antisense agents exert their effect? a. A short DNA sequence binds to specific regions of complementary mRNA, inducing a nuclease that promotes translation to the corresponding protein b. Antisense oligonucleotides prevent the natural silencing of targeted mRNA sequences C. A short DNA sequence binds to specific regions of complementary mRNA, inducing a nuclease that cleaves the mRNA d. Antisense oligonucleotides inhibit all types of gene splicing 2 The...
1. Which of the following statements is consistent with the
structural motifs in 1OPF?
This protein has tertiary structure, where each subunit is a
large parallel beta barrel.
This protein has quaternary structure, where each subunit is a
large antiparallel beta barrel.
This protein has tertiary structure, where each subunit is a
large antiparallel beta barrel.
This protein has quaternary structure, where each subunit is a
large parallel beta barrel.
3. Given the information in the PDB entry for 1OPF,...