The experiments of Spemann and Mangold first defined what feature of amphibian embryos?

#Question id: 4970

#Unit 11. Evolution and Behavior

If two continental land masses converge and are united, then the collision should cause

#Question id: 26430

#Unit 3. Fundamental Processes

If the mismatch is near 5’ then which of the following will degrade strands of DNA in the 3’ → 5’ direction

#Question id: 23542

#General Aptitude

#Question id: 860

#Unit 1. Molecules and their Interaction Relevant to Biology

Select true ‘T’ AND false ‘F’ about ubiquitinylation

I. These ubiquitin-like modifiers control processes as diverse as nuclear import,

II. Regulated by the ubiquitin-like modifier Sumo, and autophagy,

III. Regulated by the ubiquitin-like modifier Atg8.

IV. For a protein to be efficiently degraded, it must be linked to a chain of at least four tandemly linked ubiquitin molecules in which Lys 34 of each ubiquitin forms an isopeptide bond with the C-terminal carboxyl group of the following ubiquitin.

#Question id: 34

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true of any (S)-enantiomer?