Choose the incorrect option

a. The nucleosome has an approximate twofold axis of symmetry, called the dyad axis

b. The nucleosome has an approximate tenfold axis of symmetry, divided in two axis

c. DNA exits at 1 o’clock and enters at just short of 11 o’clock on one axis and they change time after 180-degree rotation

d. DNA enters at 1 o’clock and exits at just short of 11 o’clock on one axis and they change time after 180-degree rotation

TLS Online TPP Program

#Question id: 11819

#Unit 6. System Physiology – Plant

Ethylene is a gaseous hormones which  shows typical  triple response. Following are certain statements regarding the triple response:

a) reduced stem elongation

b) increased lateral growth (swelling)

c) promote root elongation

d) exaggeration of apical hook

Which one of the following combinations is correct?

TLS Online TPP Program

#Question id: 11820

#Unit 6. System Physiology – Plant

Which of the following is the precursor for ethylene?

TLS Online TPP Program

#Question id: 11821

#Unit 6. System Physiology – Plant

Immediate precursor of ethylene is___

TLS Online TPP Program

#Question id: 11822

#Unit 6. System Physiology – Plant

The rate-limiting step in the Ethylene biosynthetic pathway is____

TLS Online TPP Program

#Question id: 11823

#Unit 6. System Physiology – Plant

_____A________the enzyme that catalyzes the conversion of AdoMet to ACC, while ___B_____ catalyzes the conversion of ACC to ethylene

TLS Online TPP Program

#Question id: 11824

#Unit 6. System Physiology – Plant

Only two of the ethylene receptors in Arabidopsis have intrinsic histidine kinase activity, these receptors are_______