â¢ BETEL NUT (noun). The noun BETEL NUT has 1 sense: 1. seed of betel palm; chewed with leaves of the betel pepper and lime as a digestive stimulant and narcotic in southeastern Asia. Familiarity information: BETEL NUT used as a noun is very rare.eed of betel palm; chewed with leaves of the betel pepper and lime as a digestive stimulant and narcotic in southeastern Asia.
Proteins (/ËproÊËtiËnz/ or /ËproÊti.áµ»nz/) are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, responding to stimuli, and transporting molecules from one location to another.
Like carbohydrates and lipids, proteins are one of the macronutrients. Though protein provides your body with 4 kcals per gram, giving you energy is not its primary role. Rather, itâs got way too many other things going on.In fact, your body contains thousands of different proteins, each with a unique function. complete protein includes all of the essential amino acids. Complete proteins include all animal proteins and soy. Incomplete proteins lack one or more essential amino acids. Beans, nuts, grains and vegetables are incomplete proteins.