Phenyl-methane-sulfonyl-fluoride (PMSF) inactivates serine proteases by binding covalently to the catalytic serine residue at the active site; this enzyme-inhibitor bond is not cleaved by the enzyme.  This is an example of what kind of inhibition?

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#Question id: 6950

#XL - T Zoology

In mammalian development, the embryo will form from which population of cells?

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#Question id: 6951

#XL - T Zoology

In chick development, the cell movement during gastrulation is called:

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#Question id: 6952

#XL - T Zoology

Which technique is commonly used for gene knock-out in mice?

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#Question id: 6953

#XL - T Zoology

Maternal factors are:

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#Question id: 6954

#XL - T Zoology

Between fertilization and the first cleavage division, actin filaments pull the cytoplasm of the frog egg toward the point of sperm entry in a process called:

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#Question id: 6955

#XL - T Zoology

In frogs, maternally packaged Xwnt-11 leads to nuclear localization of _____ in the _____, which in response signals to adjacent cells to become the _____.