Recombination of V, D, and J Ig gene segments:

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#Question id: 18578

#Unit 7. System Physiology – Animal

During which stage of the general adaptation syndrome (GAS) is the risk for physiological harm, such as reduced immunity and increased susceptibility to physical or mental illness, greatest?

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#Question id: 7283

#Unit 5. Developmental Biology

The Drosophila orthodenticle gene and the vertebrate Otx genes are homologous and provide a good example of the conservation of gene function during evolution. Which of the following statement is correct regarding to the expression of gene expression.

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#Question id: 12964

#Unit 10. Ecological Principles

Where would an ecologist find the most phytoplankton in a lake?

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#Question id: 12757

#Unit 10. Ecological Principles

Biomanipulation can best be described as

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#Question id: 7268

#Unit 5. Developmental Biology

Match the columns and choose the correct option.

Column I	Column II
A.    Progress zone	i.                    thickening of the ectoderm at the apex of the developing limb bud
B.     Apical ectodermal ridge	ii.                  The cells found within the most posterior region
C.     Zone of polarizing activity	iii.                The highly proliferative mesenchyme that fuels limb bud growth