HELP!!! All questions Multiple choice: 1. RNA differ from DNA from all the follo
ID: 85123 • Letter: H
Question
HELP!!! All questions Multiple choice: 1. RNA differ from DNA from all the following ways, except structure e) all are the same Ophosphate sugar b) bases 2. of the following is the universal start codon in mRNA: ATG b TAC AUG d) 3. UAG any of the above not a role of ofthe b of Which of the characteristics replication d determination of the types of proteins produced e) 4. they play a role is all b host cell e) virus dyall of the mid replication enzymes are provided by the: plasmid above l 5. Which pair is incorrect a DNA:mRNA b) mRNA:tRNA c) tRNA:rRNA d) rRNA:mRNA e) all are correct 6. Which is purine: a) single ring base (b double ring base denaturing temperatures than a molecule 7. A DNA that is GC rich would require that is AT rich: a) educed b) same increased 8. A negative electrode is an a cathode b) anode cathode by Typical nucleotides will electrophorectically migrate towards which electrode: a) 10. anode are Which of the following is not true for plasmids? They: are extrachromosomal by 11. circular c) antibiotic resistant produce plaques e) all are true cutters b) produce the following true for restriction endonucleases, except: a) blunt 12. Which of the following is not true for 7 phage: a) can be circular b) it has a cloning site c) it infects cells d) 6 when cut with are correct d) 13. Ribosomes are involved in what process: a) replication b) DNA synthesi translation transcription e) all of the above except: a) Complementary base-pairing is involved in all of the following processes, bo transcription c translation d) lot hybridization blot analysis P t 15. Which of following does not affect DNA denaturation: a) temperature b) salt the concentration c volume d) size e) G:C content nucleotides: a) 100 b)20 16. If a protein is 100 AAs, a mRNA would have to be at least c) 300 400 e) 600 no au AS a) anticodon b) sense c codon d ich d) template for transcription: DNA strand is used as a antisense e) both strands electrophoresis. In the lab, it replaced 18. Ethidium bromide is used to detect nucleotides after blue b) bromophenol blue staining the gel with which of the following: a methylene xylene cyanol d) glycerol e) Orange GExplanation / Answer
1)c. phosphate
2)c.AUG
3)e. they play a role is all.
4)d. allof the above
5)a. dna:mrna
6)b. double ring base
7)c. increased
8)a. cathode
9)b. anode
10)d. produce plaques
11)d.cut dna randomly
12)e.all are correct
13)c.translation
14)e. western blot analysis.
15)c.volume
16)c.300
17)e. bothstrands
18)a.methylene blue.
19)a.nicking
20)e. all of the above.
21)c.Bacteriophage
22)b.hostcell
23) a. its a 2686 base pairs
24)b.southern blot
25) c.NP40 removes non specific probe binding
26)b. gelatin blocks the non specific o fthe enzyme
27)b. small dna molecules
28)a. blocking
29)c.2
30)a. glycerol
31)b. removes bound probe
32)e.all of the above
33)false
34)true
35)false
36)c
37)a
38)d
39)b
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