TLS Online TPP Program

#Question id: 703


Which of the following statements concerning protein domains is true?

#SCPH05 I Biotechnology
  1. They are a form of secondary structure.

  2. They are examples of structural motifs.

  3. They consist of separate polypeptide chains (subunits).

  4. They may retain their correct shape even when separated from the rest of the protein.

More Questions
TLS Online TPP Program

#Question id: 11077

#SCPH28 | Zoology

A person’s normal tidal volume is 400 ml with a dead space of 100 ml. The respiratory rate is 12 breaths/min. The person is placed on ventilator for surgery and the tidal volume is 700 with a rate of 12. What is the approximate alveolar Pco2 for this person?

TLS Online TPP Program

#Question id: 105

#SCPH05 I Biotechnology

Isoprenoids are lipids which neither contain nor are derived from fatty acids and include

A) steroids.

B) waxes.

C) terpenes.

TLS Online TPP Program

#Question id: 11561

#SCPH28 | Zoology

An example of antagonistic hormones controlling homeostasis is ________.

TLS Online TPP Program

#Question id: 10788

#I Life Science/ Life Sciences Group – I-V

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?

TLS Online TPP Program

#Question id: 27190

#SCPH05 I Biotechnology

A substrate is consumed in a zero order reaction such that the concentration falls from 40 g/l to 20 g/l in 4 h. How long will it take the substrate to fall from 20 g/l to 2 g/l: