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TLS Online TPP Program

#Question id: 4948

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that 

#XL - T Zoology

  1. RNA was the first hereditary information.

  2. protobionts had an RNA membrane.

  3. RNA could make energy.

  4. free nucleotides would not have been necessary ingredients in the synthesis of new RNA molecules.

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TLS Online TPP Program

#Question id: 13234

#XL - R Botany

Some roots can develop positive hydrostatic pressure in their xylem is called
TLS Online TPP Program

#Question id: 13552

#XL - R Botany

Transpiration from the leaf depends on two major factors;
TLS Online TPP Program

#Question id: 13554

#XL - R Botany

The microscopic stomatal pores provide a pathway for diffusional movement of gases across the epidermis and cuticle
TLS Online TPP Program

#Question id: 13980

#XL - R Botany

The alignment of the cellulose microfibrils in the guard cell is
TLS Online TPP Program

#Question id: 14092

#XL - R Botany

The symptoms of phosphorus deficiency is,
TLS Online TPP Program

#Question id: 14435

#XL - Q Biochemistry

Differential centrifugation separates the particle which is different in