Which of the following is incorrect regarding the Type II  β turns

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#Question id: 15764

#Unit 5. Developmental Biology

An alternative (but not mutually exclusive) mode of retaining cell homeostasis is the:

A. Asymmetric mode of stem cell division

B. Symmetric mode of stem cell division.

C. Single stem cell asymmetry mode of stem cell division

D. Population asymmetry mode of stem cell division.

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#Question id: 6605

#General Aptitude

Z4	X3	V9
A6	C2	?
T5	R4	P15

    

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#Question id: 4569

#Unit 11. Evolution and Behavior

Which of the following must exist in a population before natural selection can act upon that population?

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#Question id: 19092

#Unit 6. System Physiology – Plant

A toxin or effector molecules activate the membrane bound ATPases and cause the changing in membrane potential can be measured by using__

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#Question id: 2864

#Unit 2. Cellular Organization

In E. coli, the five contiguoustrp genes encode enzymes that sythesize the amino acid tryptophan. These genes are expressed efficiently only when tryptophan is limiting. The genes are controlled by a repressor, just as the lac genes are, although in this case, it is the absence of its ligand (tryptophan) that relieves repression, match trp genes to their gene product,

Trp genes	Gene products
trpE	anthranilate synthetase
trpD	phosphoribosyl anthranilate transferase
trpC	phosphoribosyl anthranilate isomerase-indole glycerol phosphate synthetase
trpB	tryptophan synthetase beta
trpA	tryptophan synthetase alpha