Showing posts with label d. Show all posts
Showing posts with label d. Show all posts

Dynein

Dynein is A large contractile protein forming the sidearms of microtubule doub…

Duramen (Heart wood)

Duramen (Heart wood) is The older inactive central wood of a tree or woody pla…

Duplication

Duplication is  An aberration in chromosome structure resulting from an error …

Duodenum

Duodenum is The first section of the small intestine, where acid chyme from th…

Dorsifixed

Dorsifixed is Attached at the or by the back to a plant or plant part.

Down syndrome

Down syndrome is A human genetic disease resulting from having an extra chromo…

Double helix

Double helix is The form of native DNA, referring to its two adjacent polynucl…

Double fertilization

Double fertilization is A mechanism of fertilization in angiosperms, in which …

Double Circulation

Double circulation is A circulation scheme with separate pulmonary and systemi…

Dorsoventrally

Dorsoventrally is Relating to or involving, or extending along the axis joinin…

Dorsal

Dorsal is Pertaining to or situated near the back; opposite of ventral.

Dormancy

Dormancy is A period during which growth ceases and metabolic activity is grea…

Dominant allele

Dominant allele is In a heterozygote, the allele that is fully expressed in th…

Dominance hierarchy

Dominance hierarchy is A linear "pecking order" of animals, where p…

Domain

Domain is A taxonomic category above the kingdom level; the three domains are …

DNA probe

DNA probe is A chemically synthesized, radioactively labeled segment of nuclei…

DNA polymerase

DNA polymerase is An enzyme that catalyzes the elongation of new DNA at a repl…

DNA Molecules

DNA molecules is A nucleic acid that carries the genetic information in the ce…

DNA Methylation

DNA methylation is The addition of methyl groups (–CH3) to bases of DNA after …

DNA ligase

DNA ligase  is A linking enzyme essential for DNA replication; catalyzes the c…