allergen

Subject:

(also called the stele) the region that includes the pericycle and the vascular tissues in a...

Subject:

gaps (about 1 micrometre long) that occur between the myelin sheaths generated by consecutive...

yeasts

Subject:

unicellular fungi, most of which reproduce asexually by a process called budding.

Subject:

a physical and psychological dependence on alcohol, which affects every aspect of a person's...

Archaea

Subject:

the domain that contains prokaryotic micro-organisms. Some live in extreme environments, such as...

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