A card is drawn from a pack of 52 cards and then a second is drawn. Probability that both the cards drawn are queen is

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#Question id: 28860

#Unit 2. Cellular Organization

Dynein-related transport requires protein, that links dynein to its cargo. Which is___

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#Question id: 26803

#Unit 8. Inheritance Biology

In some sheep, the presence of beard is produced by an autosomal allele that is dominant in males and recessive in females. A beard female is crossed with a homozygous beardless male. One of the resulting F1 females is crossed with a beardless male. What proportion of the male and female progeny from this cross will have beard in F2 generation?

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#Question id: 1580

#Unit 4. Cell Communication and Cell Signaling

Advantages of Toxoid (inactivated exotoxin) can be

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#Question id: 10813

#Unit 6. System Physiology – Plant

A living cytoplasmic connection penetrate the walls between sieve tube elements and their companion cells; which are often complex and branched on the companion cell side, known as

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#Question id: 18849

#Unit 13. Methods in Biology

Which of these techniques is often considered a suitable "polishing" step in a protein purification strategy?