Sentence examples for organisms that lack from inspiring English sources

Traditionalists have derided attempts to describe problem-solving and learning as "intelligent" in organisms that lack a brain.

In prokaryotes (organisms that lack a nucleus) the ribosomes are loaded onto the mRNA while transcription is still ongoing.

In contrast, prokaryotes (organisms that lack a nucleus) generally have fewer sets of rRNA genes and ribosomes per cell.

The reflex is naturally selected for: organisms that lack it might fall off a cliff or get crushed by a mastodon, because their physiologies failed to warn them of a threat to their survival.

Organisms that lack sexual reproduction are classified into different species according to criteria such as external morphology, chemical and physiological properties, and genetic constitution.

In prokaryotes (organisms that lack a distinct nucleus), mRNAs contain an exact transcribed copy of the original DNA sequence with a terminal 5′-triphosphate group and a 3′-hydroxyl residue.

A panel of scientists convened by the country's leading scientific advisory group says the hunt for extraterrestrial life should be greatly expanded to include what they call "weird life": organisms that lack DNA or other molecules found in life as we know it.

Ahead of many genes in prokaryotes (organisms that lack a nucleus), there are signals called "operators" (see operons) where specialized proteins called repressors bind to the DNA just upstream of the start point of transcription and prevent access to the DNA by RNA polymerase.

Sponges are one of the most primitive organisms that lack definitive tissue grade organisation.

Likewise, coevolutionary studies of organisms that lack phylogenies may present a misleading picture.

Although best known as the major gene controlling eye development, Pax-6 functions in organisms that lack eyes, reflecting its ancient developmental role.