The bacterium used in the production of acetic acid (vinegar) is: MCQ with Answer and Explanation

Explanation:
Pleiotropy occurs when a single gene affects two or more distinct phenotypic traits. This happens because the gene product (protein) may be used in multiple biological pathways or expressed in different tissues. Examples include phenylketonuria (PKU), sickle cell anemia, and Marfan syndrome. Epistasis involves the interaction of different genes, polygenic inheritance involves multiple genes affecting one trait, and incomplete dominance is a single gene interaction.

Explanation:
Panthera leo is the binomial name for the lion. Panthera tigris is the tiger, Felis catus is the domestic cat, and Canis lupus is the grey wolf. The genus Panthera includes roaring cats: lion, tiger, jaguar, and leopard. Binomial nomenclature uses a capitalized genus and lowercase species epithet, both italicized.

Explanation:
The thymus gland is a primary lymphoid organ where T lymphocytes mature and become self-tolerant. Bone marrow is where B cells mature; spleen and lymph nodes are secondary.