Which of the following is truly stating about the stereochemistry of D-Erythrose, L-Erythrose  and D-Threose and L-Threose

1. D-Erythrose, L-Erythrose are enantiomers to each other

2. D-Erythrose, L-Erythrose are diastereomers to each other

3. D-Erythrose and D-Threose are diastereomers to each other 

4. D-Erythrose, L-Erythrose are enantiomers to each other 

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#Question id: 19529

#Unit 12. Applied Biology

There are many insect species that are not sensitive to Cry proteins; this could be due to a high affinity of midgut proteases of these species to the

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#Question id: 19452

#Unit 13. Methods in Biology

Angle of aperture is best considered for achieving better resolution (D)

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#Question id: 6987

#Unit 5. Developmental Biology

Which of the following statements about axon-guidance is TRUE?

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#Question id: 16118

#Unit 7. System Physiology – Animal

Following statements are regarding to the heat production by the activation of sympathetic nervous system.

A. Activation is stimulation of β receptors in brown fat, which increases metabolic rate and heat production.

B. Activation is stimulation of α2 receptors in brown fat, which increases metabolic rate and heat production.

C. Stimulation of α1 receptors in vascular smooth muscle of skin blood vessels, producing vasoconstriction. Vasoconstriction reduces blood flow to the surface of the skin.

D. Stimulation of α1 receptors in vascular smooth muscle of skin blood vessels, producing vasodilation. Vasodilation reduces blood flow to the surface of the skin.

Which of the following combination is correct?

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#Question id: 5172

#General Aptitude

Which of the following is the largest ?