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Assertion: Central dogma is the flow of information from DNA to m RNA and then decoding the information present in m RNA in the form of protein. 

Monjur Alahi

Assertion: Central dogma is the flow of information from DNA to m RNA and then decoding the information present in m RNA in the form of protein. 

Reason: In retroviruses, reverse of central dogma occurs. 

a. Both assertion and reason are true, and reason is the correct explanation of assertion. 

b. Both assertion and reason are true, but reason is not the correct explanation of assertion. 

c. Assertion is true but reason is false 

d. Both assertion and reason are false.


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Salim Ahmed Kawsar

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b. Both assertion and reason are true, but reason is not the correct explanation of assertion.

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1. S-phase.  2. m-RNA, t-RNA and r-RNA

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The elements that is common among proteins, DNA, RNA and Alkaloids …………………. 

Correct option is B) Nitrogen

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A flow factors of production from household sector to business and a flow of goods and services

Flow of Goods and services and factors of production across different sectors in a barter economy is known as real flow since there are only exchange of goods and services...

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(i) Outflow  (ii) No Flow

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Which protein is present in the bone matrix?

Ossein is present in the bone matrix.

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The ratio of present ages of P and Q is 3:8 and after 6 years their ages ratio is 4:9 then the age of P at present is …………….. years.

Correct option is (C) 18 Let present ages of P and Q are respectively 3x and 8x. After 6 years, age of P = 3x+6, age of Q = 8x+6. According to given condition, \(\frac{3x+6}{8x+6}=\frac49\) \(\Rightarrow\) 9 (3x+6) =...

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An enzyme that uses viral RNA as template for the synthesis of DNA is

(b) reverse transcriptase

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(i) Both (A) and (R) are true and (R) is the correct explanation of (A).

2 Answers 2 views
Which of the following statement are incorrect ? (i)RNA act as a genetic material as well as a catalyst. (ii)RNA is more stable than DNA (iii)RNA has

Correct Answer - b (b) : Evidences suggest that essential life processes such as metabolism, splicing , translation, etc. evolved around RNA . RNA used to act as a genetic material...

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Chemically, RNA is (i)_____ reactive and (ii)_____ stable as compared to DNA.

Correct Answer - c (c)

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