Out of the following what usually supports the fastest growth rate and is therefore considered the preferred nitrogen source for E. coli

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#Question id: 6979

#Unit 5. Developmental Biology

The muscle-forming cells of the vertebrate limb come from:

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#Question id: 6980

#Unit 5. Developmental Biology

Teeth form from

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#Question id: 6983

#Unit 5. Developmental Biology

In vertebrates, the heart forms from:

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#Question id: 6984

#Unit 5. Developmental Biology

Which of the following genes is unlikely to be involved in preaxial polydactyly in mice?

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#Question id: 6985

#Unit 5. Developmental Biology

The ventricular proliferative zone is:

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#Question id: 6988

#Unit 5. Developmental Biology

Many cells in the body divide only rarely, if at all; neurons, red blood cells, and keratinocytes are extreme examples. In which portion of the cell cycle would such cells be considered to be?