TLS Online TPP Program

#Question id: 4331


In eukaryotic cells, transcription cannot begin until

#Unit 3. Fundamental Processes
  1. the two DNA strands have completely separated and exposed the promoter.

  2. several transcription factors have bound to the promoter.

  3. the 5 caps are removed from the mRNA.

  4. the DNA introns are removed from the template.

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TLS Online TPP Program

#Question id: 13555

#Unit 6. System Physiology – Plant

Water Loss Is Also Regulated by the Pathway Resistance

TLS Online TPP Program

#Question id: 13556

#Unit 6. System Physiology – Plant

The Guard Cells Have Specialized Features are
a) guard cells have a characteristic dumbbell shape, with bulbous ends
b) guard cells are always flanked by a pair of differentiated epidermal cells called subsidiary cells
c) guard cells are present in organs from more primitive plants, such as the liverworts and the mosses
d) dicot plants and nongrass monocots, kidney-shaped guard cells have an elliptical contour with the pore at its center
Which of the following combination of above statement is TRUE?

TLS Online TPP Program

#Question id: 13980

#Unit 6. System Physiology – Plant

The alignment of the cellulose microfibrils in the guard cell is

TLS Online TPP Program

#Question id: 13981

#Unit 6. System Physiology – Plant

The Transpiration Ratio Measures the Relationship between Water Loss and Carbon Gain, which of the following statements about transpiration ratio is NOT true?

TLS Online TPP Program

#Question id: 14092

#Unit 6. System Physiology – Plant

The symptoms of phosphorus deficiency is,

TLS Online TPP Program

#Question id: 14731

#Unit 6. System Physiology – Plant

Crop Yields can be Improved by addition of fertilizers, Most chemical fertilizers contain inorganic salts of the macronutrients nitrogen, phosphorus, and potassium, Fertilizers that contain only one of these three nutrients are termed