The conversion of a stimulus into an action potential by a receptor cell is called ________.

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#Question id: 3881

#3. Fundamental Processes

Which one of the following statements about mRNA stability is true?

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#Question id: 24168

#Aptitude

___________________. It rained in April; it rained in May. It rained in the mornings; it rained in the afternoons. It poured, it drizzled, it showered, it misted—but always it rained. But the good news is we won’t have a drought this summer.

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#Question id: 342

#1. Molecules and their Interaction Relevant to Biology

In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by ________.

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#Question id: 5083

#5. Developmental Biology

Which of the following correctly displays the sequence of developmental milestones?

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#Question id: 1297

#4. Cell Communication and Cell Signaling

What effect might an injection of RGD peptide have on tumor cells moving through the blood/lymph system?