Which of the following is short 20 to 22-nucleotide single-stranded RNAs that block the expression of complementary or partially complementary mRNAs.

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#Question id: 15660

#Unit 8. Inheritance Biology

Tetrad analysis automatically includes the centromere as an additional point in mapping crosses, because

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#Question id: 24164

#General Aptitude

Reality TV shows will have an adverse effect on traditional dramas and comedies. As reality TV increases in popularity, network executives will begin canceling more traditional programs and replacing them with the latest in reality TV.

This paragraph best supports the statement that

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#Question id: 24138

#General Aptitude

SPY : CLANDESTINE

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#Question id: 22940

#Unit 5. Developmental Biology

In rice, a SDP, homolog of CONSTANS gene is 

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#Question id: 383

#Unit 1. Molecules and their Interaction Relevant to Biology

Three buffers are made by combining a 1 M solution of acetic acid with a 1 M solution of sodium acetate in the ratios shown below

1 M acetic acid	1 M sodium acetate
Buffer 1: 10 mL	90 mL
Buffer 2: 50 mL	50 mL
Buffer 3: 90 mL	10 mL

 Which of these statements is true of the resulting buffers?