At low temperatures, bilayer lipids are highly ordered, forming a gel phase with the acyl chains nearly perpendicular to the plane of the membrane plane. This state, called: 

#Question id: 2882

#Unit 2. Cellular Organization

SUMO (small ubiquitin-related modifier) proteins are ∼10-kD polypeptides that function as reversible post-translational protein modifiers. They form isopeptide bonds with ɛ-amino groups of acceptor Lys residues in hundreds of target proteins in a process termed as sumoylation. Which of the following statements is correct regarding this modification?

#Question id: 11682

#Unit 7. System Physiology – Animal

A young woman is given daily injections of a substance beginning on the 16th day of her normal menstrual cycle and continuing for 3 weeks. As long as the injections continue, she does not menstruate. The injected substance could be which of the following?

#Question id: 10239

#Unit 10. Ecological Principles

Two species of barnacle, balanus balanoides and Chthamalus stellatus, occur in the intertidal regions of Scotland. As following

 Which of the following statements is correct?

#Question id: 31074

#Unit 2. Cellular Organization

#Question id: 28184

#Unit 5. Developmental Biology

If cells are removed from the embryo, the remaining cells can regulate and compensate for the missing part, from these mode of specification is known as____