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नवीनतम संदेश 9

2022-06-05 08:15:15

This patient most likely has which of the following conditions?

Anonymous Quiz

36%

A. Classic galactosemia

29%

B. Hemophilia B

21%

C.Huntington disease

14%

D.Leber hereditary optic neuropathy

E.Rett syndrome

14 voters96 views05:15

ओपन / कमेंट

2022-06-05 08:14:01

95 views05:14

ओपन / कमेंट

2022-06-04 20:13:01 Educational objective: Translation of the mRNA template proceeds in the 5' to 3' direction. Because complementary sequences align in antiparallel fashion, during translation tRNA anticodons will be oriented in the opposite 3' to 5' direction. Stop codons (UAA, UAG, and UGA) halt protein synthesis by binding a release factor; they do not add amino acids to the polypeptide chain.

194 views17:13

ओपन / कमेंट

2022-06-04 08:13:01

Which of the following tRNA anticodons is responsible for adding the last amino acid to the truncated polypeptide during protein translation?

Anonymous Quiz

A. 5'-AAC-3'

54%

B. 5'-AUC-3'

15%

C.5'-CAA-3'

15%

D.5'-GCU-3'

E. 5'-UCG-3'

13 voters64 views05:13

ओपन / कमेंट

2022-06-04 08:13:01

63 views05:13

ओपन / कमेंट

2022-06-03 20:12:01 Educational objective: Short non-coding RNA sequences (eg, microRNA and small interfering RNA) induce posttranscriptional gene silencing by base-pairing with complementary sequences within target mRNA molecules.

134 views17:12

ओपन / कमेंट

2022-06-03 08:12:01

Which of the following processes was most likely directly interrupted in the cells exposed to the RNA molecule?

Anonymous Quiz

A. DNA replication

37%

B. DNA transcription

42%

C.mRNA translation

D.Proteasome activity

11%

E.Splicing

19 voters89 views05:12

ओपन / कमेंट

2022-06-03 08:11:01

A pharmaceutical corporation investigating new therapeutic agents for treatment of Burkitt lymphoma
synthesizes a double-stranded RNA molecule that is 21 base pairs in length. The RNA molecule has a base pair sequence that is complementary to a region of mRNA encoding c-Myc. Introduction of the RNA molecule into tumor cells results in a significant reduction in cell growth. Western blot analysis of equivalent numbers of treated and untreated cells is shown below.

95 views05:11

ओपन / कमेंट

2022-06-02 20:11:01 Educational objective: Base excision repair is used to correct single-base DNA defects induced spontaneously or by exogenous chemicals. In this process, glycosylases remove the defective base, and the corresponding empty sugarphosphate site is cleaved and removed by the action of endonuclease and lyase. DNA polymerase then replaces the missing nucleotide, and ligase seals the final remaining nick.

43 views17:11

ओपन / कमेंट

2022-06-02 08:10:11

This damage is most likely to be repaired through which of the following enzymatic sequences?

Anonymous Quiz

16%

A.Endonuclease, polymerase, glycosylase, lyase, ligase

37%

B.Endonuclease, polymerase, lyase, glycosylase, ligase

16%

C.Glycosylase, endonuclease, lyase, polymerase, ligase

21%