Most bacteria, some protozoans  and even archaea use poly-β-hydroxybutyrate, a polymerized form of β-PHB, as 

#Question id: 10788

#SCPH05 I Biotechnology

Phenyl ammonia lyase (PAL) involved in biosynthesis of phenolic compound in plants. Following are some statements regarding the action of PAL;

a) PAL catalyze conversion of phenyl alanine to p-coumaric acid

b) PAL catalyzes the conversion of phenyl alanine into trans-Cinnamic acid by elimination of an ammonia molecule

c) The activity of PAL is increased by environmental factors, such as low nutrient levels, light, and fungal infection

d) PAL is situated at a branch point between primary and secondary metabolism, so the reaction that it catalyzes is an important regulatory step in the formation of many phenolic compounds

Which of the following combinations of above statement is true?

#Question id: 1543

#SCPH05 I Biotechnology

Effector  cytokines of TH 1 cells?

#Question id: 4913

#SCPH06 I Botany

Which one of the following statements is INCORRECT about cytoplasmic inheritance?

#Question id: 2341

#SCPH28 | Zoology

Water molecules crossing a plasma membrane do so by

#Question id: 1058

#SCPH28 | Zoology

Phage-encoded enzymes are