Which of the following was not a challenge for survival of the first land plants? 

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#Question id: 18754

#Unit 13. Methods in Biology

An oligonucleotide is synthesized which contains the mutation and the rest is _______ to the template DNA.

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#Question id: 5124

#Unit 5. Developmental Biology

Following statements are being made regarding conditional specification –

A. The process by which cells achieve their respective fates by interacting with other cells.

B. the cell “knows” very early what it is to become without interacting with other cells.

C. The critical factors that control cell fate are present and differentially segregated in the cytoplasm of these cells.

D. a cell becomes is specified by the array of interactions it has with its neighbors, which may include cell-to-cell contacts (juxtacrine factors), secreted signals (paracrine factors).

Which of the above statements are correct?

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#Question id: 2105

#Unit 2. Cellular Organization

An investigator wants to use FRAP to quantify the lateral movement of a specific plasma membrane protein, but to do so this investigator must first:

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#Question id: 10390

#Unit 6. System Physiology – Plant

Phytochromobilin autocatalytically attaches to the PHY apoprotein through

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#Question id: 19032

#Unit 9. Diversity of Life Forms

Which of the following is not common to all phyla of vascular plants?