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A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z

Y

Y chromosome

Yeast

A unicellular fungus. One species, the budding yeast Saccharomyces cerevisiae, is used in brewing and baking because of the ease with which it ferments carbohydrates to ethyl alcohol and carbon dioxide. [aging in]

Yeast two-hybrid system

Yellowthroat, subspecies of

Yersinia pestis

Yolk sac