Describe each stage briefly with suitable diagrams. Ans ... are providing the NCERT Exemplar Problems for Class 12 Biology chapter - Human Reproduction, in the PDF form which students may download ...

Discover how Canadian students use AI tools to turn PDFs into smart notes, summarize lectures, and supercharge exam prep with ...

An unprecedented international effort to decode how cells manage the transport of chemical substances has culminated in four ...

A January executive order by President Donald Trump designates people as female if they make the “large” reproductive cell (the egg) and male if they make the ...

An unprecedented international effort to decode how cells manage the transport of chemical substances has culminated in four groundbreaking studies This decade-long project provides the first ...

No one rule captures the full sweep of life’s ingenuity, yet SAI offers a fresh lens, suggesting that aging and fragility are ...

Somatic hypermutation (SHM) of immunoglobulin variable (V) regions modulates antibody-antigen affinity is initiated by activation-induced cytidine deaminase (AID) on single-stranded DNA (ssDNA).

This important study provides evidence for asymptomatic Bordetella pertussis carriage among mothers in a longitudinal cohort in Zambia, significantly advancing understanding of transmission dynamics.

A rare fossil discovery in Antarctica has upended scientific understanding of ancient marine reptiles. Buried beneath 68 ...

The team takes a step forward ... New Stem Cell Model Sheds Light on Human Amniotic Sac Development May 15, 2025 — Researchers have developed a new stem cell model of the mature human amniotic ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...