CSIR NET 2024 | Life Science: Cellular Organization | 2 May

Membrane lipids are asymmetrically distributed between the two leaflets of the bilayer. Phosphatidylserine is one of the classes of plasma membrane lipid which is majorly accumulated in the cytosolic leaflet. Which of the following processes is not observed during the movement of phosphatidylserine from cytosolic leaflet to extracellular non-cytosolic leaflet?

P. Platelets are able to play a role in blood coagulation.

Q. Initiation of apoptotic process in the cell.

R. It targets the cell for engulfment by macrophages.

S. Acts as a susceptibility signal for phagocytosis.

The rapid lateral movement of membrane lipids can be visualized by the means of

Which of the following is INCORRECT in regard to the mobility of lipid molecules in a lipid by bilayer?

The second division of Meiosis is Meiosis II. Which step of meiosis is responsible for ensuring that each division's daughter cell obtains just one sister chromatid rather than two?

Which spindle microtubules maintains symmetrical and bipolar shape of the spindle fibres?