In pachytene stage of meiosis, the chromosomes appear
From a cross AABb x aaBb, the genotypes AaBB,AaBb,Aabb,aabb will be obtained in the following ratio :
The uptake of soil ions, by the root system, is a process of
Azolla has a symbiotic relationship with
In embryo sac of a typical angiosperm, there are
The number of ATP molecules produced by electron transport system from Krebs cycle intermediates in a single turn is
Its 11 ATPAs in kreb cycle, at 4 steps oxidation occurs in which 3 NADH2 (3 x 3 ATP) and 1 FADH2 (2ATP) produced . hence 11 ATP generate when they goes to ETS.
A simple mechanical tissue with non lignified walls is