The following statements best describe the RNA structure EXCEPT A) the repeating units are deoxyribonucleotides with a uracil base B) they are usually single stranded c) they are closely associated with protein synthesis D there are three predominant forms
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Q: Which of the following statements about RNA are true?
A:
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Q: The following statements best describe the RNA structure EXCEPT A they are usually single stranded B…
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Q: Name the bases present in RNA. Which one of these is not present in DNA?
A: KEY WORDS :- RNA - Ribonucleic acid DNA - Deoxyribonucleic acid
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- Match the following nucleobases (designated AD) with their names and answer questions about them. NH, NH, C D NH2 Note that some of the items from the answer list should NOT be used. Guanine 1. Aand B - Cytosine 2 Cand D • Adenine 3. Not shuwn v Thymine 4. D v Uracil 5. B a Aand C v Which of tho shown bases are pyrimidines? 7. A and O v Which of the shown bases form canonical A-T Watson-Crick base pair? S. A v Which of the shown bases form canonical G-C Watson.Crick base-pair? 9. Band C 10. C 11. Band DGiven the structures of the ribonucleotides and deoxyribonucleotides: Adenine Uracil Thymine HN Adenine NH HO-P-0- CH2 HO-P-0 CH2 HO-P-0-CH2 HO-P-0-CH он он он он OH H OH H Cytosine Cytosine Guanine Guanine NH2 NH NH2 CH2 HOo CH2 HO-P-0 -CH2 он он он он OH H OH H • Draw the structure of the polyribonucleotide UAGCCUG. Draw the structure of the polydeoxyribonucleotide CGTAGAT.Indicate the relative size of each of the following, using "1" for the largest, most inclusive structure, and "5" for the smallest. pyrimidine nucleoside nucleotide purine RNA > > > >
- Consider the following in light of the concept of levels of structure (primary, secondary, tertiary, quaternary)as defined for proteins.(a) What level is shown by double-stranded DNA?(b) What level is shown by tRNA?(c) What level is shown by mRNA?The following statements best describe the RNA structure EXCEPT they are double stranded because many bases are complementary to each other they are closely associated with protein synthesis they can either form secondary or tertiary structures there are three predominant formsDraw the structure of the following nucleotide: adenosine 3'-monophosphate or guanosine 2-monophosphate
- Consider the sequences (i-iv) that represent sections of a protein. ) -АЕEAAAAMAАAАMAAY ii) -KVIVVVTVVTVVVKVV- iii) -GPPGPPGPPGPPGPPGPP- iv) -WYFWYFWYFVVFFFVV- Which of the following statements is likely to be true? O Sequence (iv) is likely to have an alpha-helix structure. O Sequence (i) is likely to have an alpha-helix structure and sequences (i) and (iv) are most likely to have beta- sheet structures O Sequence (ii) is ikely to be a metal-binding domain. O Sequence (i) is likely to have a beta-sheet structure and sequences (ii) and (iv) are most likely to have alpha- helix structures O Sequence (ii) is most likely have a beta sheet structure with a hairpin turn.Which of the following does cytosine pair with? a. guanine b. thymine c. adenine d. a pyrimidineMany antibiotics alter the rate of reaction for enzymes that produce and then cross-link the strands of this polymer together. The image below shows the structure of one antibiotic called penicillin as compared to the portion of the peptidoglycan that undergoes cross linkage. Condon A HS. CH CH CH N-CH cooo Cand cooo wDAla-D-Ala [S] 2. Using the graph above, which condition do you predict was the penicillin condition? 3. Explain how penicillin effects the enzyme. 4. Why it is important to take the full dosage of antibiotics. Briefly explain 5. Is peptidoglycan still being produced in the portion of the graph marked by the circle in condition B?
- Express the following DNA nucleotide bases into amino acidsThe alkaline hydrolysis of pAUGCAGC oligonucleotide produces: O A. Uridine 2'-monophosphate, uridine 3'-monophosphate, cytosine 2'-monophosphate O B. Adenosine 2'-monophosphate, adenosine 3'-monophosphate, adenosine 21,5'-bisphosphate OC. Guanosine 2'-monophosphate, guanosine 3'-monophosphate, cytosine 3'-monophosphate O D. Cytidine 3'-monophosphate, guanosine 2'-monophosphate, adenine 2'-monophosphate O E. Adenine 3,5'-bisphosphate, guanine 2,5'-bisphosphate, uridine 2'-monophosphate O F. Uridine 2'-monophosphate, uridine 3'-monophosphate, guanine 3'-monophosphateConsider the hydrogen bonding pattern of an α-helix with the following sequence: HLRTNAGCSY Asparagine’s amide hydrogen is hydrogen bonded to: a. Serine’s side chain b. Histidine’s backbone carbonyl oxygen c. Cysteine’s backbone carbonyl oxygen d. Serine’s backbone carbonyl oxygen e. Histidine’s side chain