Haldane’s rule: Hybrid sterility or hybrid inviability is often limited to the heterogametic sex. 

TLS Online TPP Program

#Id: 1970

#XL - T Zoology

This mortality rate allows us to determine whether mortality increases with age, decreases with age, or is independent of age

TLS Online TPP Program

#Id: 10735

#XL - R Botany

Pedicillate flower  (main axis elongated)

Simple raceme

Example: mustard (brassica campestris), radish (raphanus sativus)

TLS Online TPP Program

#Id: 7877

#XL - Q Biochemistry

The cristae’s membranes are the site of ATP synthesis thus the invaginations increase the mitochondrion’s capacity to generate ATP.

TLS Online TPP Program

#Id: 8534

#XL - Q Biochemistry

γ-tubulin ring complex (γ-TuRC)

nucleates assembly of a microtubule by forming a template corresponding to the (−) end. 

TLS Online TPP Program

#Id: 7957

#XL - Q Biochemistry

Immediately after the entire precursor, Glc3Man9(GlcNAc)2 is transferred to a nascent polypeptide, three different enzymes, called  glycosidases, remove all three glucose residues and one particular mannose residue.