Biology Class 12 Chapter 20 Chromosomes and DNA

Which structure become visible when cell starts dividing? The centromeric position divides chromosomes into _______ types? The bond exists between N2 bases of DNA is? The replication of DNA is always from? Attachment of okazaki fragments to DNA′s lagging strand is facilitated by? Sequence of specific nucleotide that results specific proteins is called?

ISSB Test

ISSB Tests