A microarray known as a GeneChip, with most now known human protein coding sequences, has recently been developed to aid in the study of human cancer by first comparing twothree subsets of cancer subtypes. What kind of information might be gleaned from this GeneChip to aid in cancer prevention?

#Question id: 10783

#Unit 6. System Physiology – Plant

which of the following compounds are more diversified in terms of soluibility such as : Some are soluble only in organic solvents, some are water-soluble carboxylic acids and glycosides, and others are large, insoluble polymers;

#Question id: 10784

#Unit 6. System Physiology – Plant

The precursor of phenolic compound is___

#Question id: 10785

#Unit 6. System Physiology – Plant

Plant phenolics compound are biosynthesized from___

#Question id: 10786

#Unit 6. System Physiology – Plant

Alkaloids are usually synthesized from one of a few common amino acids such as___

#Question id: 10787

#Unit 6. System Physiology – Plant

Which structure represents cinnamic acid___

#Question id: 10788

#Unit 6. System Physiology – Plant

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?