Which of the following factors could cause a surge in population size?

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#Question id: 34156

#Unit 7. System Physiology – Animal

Cortisol is bound in the circulation to an α globulin called: 

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#Question id: 2984

#Unit 2. Cellular Organization

Certain unicellular eukaryotes, including diatoms and some yeasts, have mechanisms of nuclear division that may resemble intermediate steps in the evolution of mitosis. Which of the following is a characteristic feature of nuclear division in these organisms?

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#Question id: 1510

#Unit 4. Cell Communication and Cell Signaling

Match the correct protein (Column I) with their function (Column II) during apoptosis.

Column I	Column II
A. Puma	I. Pro-survival protein
B. Bak	II. Zymogen
C. Mcl-1	III. Pro-apoptotic protein
D. CED-3	IV. BH3-only protein

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#Question id: 3755

#Unit 3. Fundamental Processes

In E. coli, there is a mutation in a gene called dnaB that alters the helicase that normally acts at the origin of replication. Which of the following events would you expect to occur as a result of this mutation?

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#Question id: 33356

#Unit 1. Molecules and their Interaction Relevant to Biology

Hemoglobin undergoes substantial changes in quaternary structure on oxygen binding: the a1b1 and a2b2 dimers rotate with respect to each other by