barm - a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey. yeast. yeast cake - small cake of compressed moist yeast. brewer's yeast - yeast used in fermenting beer. leaven, leavening - a substance used to produce fermentation in dough or a liquid. mother - a stringy slimy substance consisting of yeast cells and bacteria; forms during fermentation and is added to cider or wine to produce vinegar.
No. Being that viruses are not a living organism, they are neither contain cells, nor are they a cell themselves. Viruses are merely few macromolecules (such as nucleic acid and protein) which combines to form a pathogenic particle.dit: a cell wall-as the name implies-is a part of a cell. Viruses are not cells. â¦ Cells are living, viruses are not.
They have to be in the host cell. Viruses can have either DNA or RNA, most have RNA, except for the retroviruses, they don't have any of the organelles that cells do. Now that I have armed you with this information,it is up to you to figure out which type of cell has the each of the organelles listed in the question.hey have to be in the host cell. Viruses can have either DNA or RNA, most have RNA, except for the retroviruses, they don't have any of the organelles that cells do. Now that I have armed you with this information,it is up to you to figure out which type of cell has the each of the organelles listed in the question.