In deep water, which of the following abiotic factors would most limit primary productivity?

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#Question id: 4130

#3. Fundamental Processes

Which of the following is not true of tRNA molecules?

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#Question id: 9202

#9. Diversity of Life Forms

Which of the following statements regarding extinction is accurate?

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#Question id: 6948

#5. Developmental Biology

Which of the following genes is expressed at the posterior margin of each parasegment

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#Question id: 2955

#2. Cellular Organization

Cyclin is to MPF as ............ is to cyclin-dependent kinases.

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#Question id: 5042

#5. Developmental Biology

Which one of the following set of Yamanaka factors can be used to regained the pluripotency of somatic cells in mammals?