The proton-motive force has 

a. chemical potential energy due to proton-proton repulsion

b. chemical potential energy due to H+ difference in the two regions separated by the membrane 

c. electrical potential energy H+ difference in the two regions separated by the membrane 

d. electrical potential energy due to proton-proton repulsion

Which of the following is true

#Question id: 9282

#Unit 6. System Physiology – Plant

The rate of photosynthesis when red and far-red light are given together is greater than the sum of the rates when they are given apart, the effect provided essential

evidence in favor of the concept that photosynthesis is carried out by two photochemical systems working in tandem but with slightly different wavelength optima

this effect is known as

#Question id: 10903

#Unit 6. System Physiology – Plant

Materials translocated in the phloem, such as sucrose, amino acids, hormones and some inorganic ions. Some inorganic solutes that move in the phloem called mobile elements. In contrast, some are relatively immobile in the phloem.

A) Immobile elements

B) Mobile elements

i) potassium, magnesium, phosphate, and chloride

ii) caesium, zinc, magnesium and iron

iii) nitrate, calcium, sulfur, and iron

iv) potassium, calcium, cobalt and caesium

Which of the following are the correct match of mobile and immobile elements in the phloem?

#Question id: 2802

#Unit 2. Cellular Organization

Which of the following HAT most diverse in binding with histones?

#Question id: 28959

#Unit 7. System Physiology – Animal

The Process of concentrating the iodide in the cell is called as___

#Question id: 4667

#Unit 3. Fundamental Processes

contains heptapeptide repeat, with a consensus sequence is known as the carboxy-terminal domain (CTD) the largest subunit of RNA polymerase II that is