Frequent disturbances could lead to failure of a community to reach a climax community as one seral stage keeps replacing itself, a condition known as

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#Question id: 5561

#5. Developmental Biology

In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.

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#Question id: 4303

#3. Fundamental Processes

Which component is not directly involved in translation?

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#4. Cell Communication and Cell Signaling

One of the first chemicals used by Lister to prevent surgical infections was

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#Question id: 915

#1. Molecules and their Interaction Relevant to Biology

Free fatty acids in the bloodstream are:

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#Question id: 14477

#13. Methods in Biology

Probability of a card drawn at random from an ordinary pack of cards to be club card is