Practice Questions

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#Question id: 7299

Maintenance of the shoot meristems in adult Arabidopsis plants relies on which of the following mechanisms?

#I Life Science/ Life Sciences Group – I-V

A transcription factor encoded by the SHOOT MERISTEMLESS gene is expressed in shoot meristem cells and maintains them in their undifferentiated state.
A homeobox transcription factor encoded by CLAVATA gene is expressed in the organizing center and initiates a signal to the overlying cells to behave as stem cells.
Shoot meristem cell secrete proteins encoded by WUS family that antagonize CLV expression thereby restricting the size of shoot meristems.
A transcription factor encoded by the SHOOT MERISTEMLESS gene is expressed in shoot meristem cells and maintains them in their differentiated state.

More Questions

TLS Online TPP Program

#Question id: 3008

#I Life Science/ Life Sciences Group – I-V

The structures present in the hay infusions used in experiments on spontaneous generation that made them difficult to sterilize are

TLS Online TPP Program

#Question id: 3686

#SCPH06 I Botany

The short strand of ........ primer is required for the replication of DNA:

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#Question id: 670

#SCPH06 I Botany

The distance along a helix axis for one complete turn is called the ________.

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#Question id: 17274

#SCPH01 Biochemistry

which of the following statement is incorrect about PSI-BLAST?

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#Question id: 8858

#SCPH28 | Zoology

Which of these factors, when used to label the horizontal axis of the graph in Figure 33.1, would account most directly for the shape of the plot?