How many complete turns are there in an ideal α-helix that contains 15 amino acids and has a pitch of 0.54 nm and a rise of 0.15 nm?

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#Question id: 6951

#Unit 5. Developmental Biology

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

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#Question id: 6952

#Unit 5. Developmental Biology

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

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#Question id: 6953

#Unit 5. Developmental Biology

Maternal factors are:

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#Question id: 6954

#Unit 5. Developmental Biology

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

#Unit 5. Developmental Biology

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

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#Question id: 6956

#Unit 5. Developmental Biology

The central nervous system is derived from _____, the axial skeleton is derived from _____, and the muscles of the trunk are derived from _____?