Precise spatio-temporal control of gene expression lies at the heart of metazoan development. The necessary instructions are encoded in cis-regulatory elements, or modules, which typically contain ...

The Plant Cell, Vol. 6, No. 12 (Dec., 1994), pp. 1877-1887 (11 pages) The homeobox of the knotted1 (kn1) gene was used to isolate 12 related sequences in maize. The homeodomains encoded by the ...

From pine cones to spiral galaxies, fascinating patterns of the Fibonacci sequence occur naturally in nature. Find out how this ancient sequence manifests in our world and beyond. Katie Liu is a ...

This is a preview. Log in through your library . Abstract The pattern of opaline silica deposition in the leaves and internodes of rye (Secale cereale L.) has been studied by means of counts of silica ...

Prime numbers are the ones that have only two factors: 1 and itself. Credit: Ssindhwani / Wikimedia Commons Prime numbers are those divisible only by themselves and by one. Despite their apparent ...