Affinity chromatography on oligo(dT)-cellulose columns, is used for eukaryotic mRNA extraction, instead of using oligo(dT)-cellulose we can also use

#Question id: 371

#SCPH28 | Zoology

How many milliliters of a 2.0 M solution of boric acid must be added to 600 mL of a solution of 10 mM sodium borate in order for the pH to be 9.45? (pKa of boric acid = 9.24)

#Question id: 1082

#SCPH01 Biochemistry

Which of the following is a type of signaling in which a cells respond to substrate that they themselves release ?

#Question id: 4145

#SCPH06 I Botany

Steriod hormone response elements (HREs) are _ , which, when bound to _, alter gene expression at the level of _.

#Question id: 58

#SCPH01 Biochemistry

A covalent chemical bond is one in which ________.

#Question id: 7308

#SCPH01 Biochemistry

In Arabidopsis thaliana, the transition to flowering involves multiple factors, pathways and meristem identity genes. Following statements regarding to the mechanism and function of meristem identity genes.

 A. FT mRNA is expressed in companion cells of the leaf vein in response to multiple signals, including day length, light quality, and temperature.

 B. The FT–FD complex activates AP1 in the inflorescence meristem and SOC1 in the floral meristem, which triggers LFY gene expression.

 C. LFY and AP1 trigger expression of the floral homeotic genes.

 D. FLC acts as a negative regulator of SOC1 in the meristem and as a negative regulator of FT in the leaves.

 Which of the following is incorrect?