#Question id: 2636
#Unit 2. Cellular Organization
Which of the following events occur when E. coli is starved for tryptophan?
I. The ribosome translates leader peptide completely
II. Transcription reads through attenuator into trp EDCBA
III. Tryptophanyl tRNA is not formed
IV. A stem loop structure involving regions 3 and 4 is formed at attenuator site
#Question id: 29060
#Unit 10. Ecological Principles
Find out the correct explanation of adaptation for osmoregulation in freshwater fish?
#Question id: 2212
#Unit 2. Cellular Organization
Membrane lipids may
a. spontaneously flip-flop from one membrane leaflet to the other.
b. move laterally within one membrane leaflet.
c. aggregate with membrane proteins to form lipid rafts.
d. be unequally distributed in the two membrane leaflets.
e. be present in varying amounts in different cellular membranes
#Question id: 28971
#Unit 7. System Physiology – Animal
Adrenal cortex has three zone, outermost zone, called the zona glomerulosa, which secretes___
#Question id: 24549
#Unit 9. Diversity of Life Forms