Nutrition experts suggest that young people in our country should eat more milk, eggs, fish, meat and other protein-rich foods, because protein is the main energy source.

Functional foods are rich in ______ to provide health benefits and reduce disease risks. A: Protein B: Carbohydrates C: Biologically active substance D: Minerals

Butyrate can function as ： A: protein methylation B: Protein acetylation C: Protein phosphorylation D: Protein deacetylation

protein from food or a protein

Protein from food or a protein supplement acts the same in the body.

Some Chinese kids eat ______ as they actually need every day. A: twice as much protein B: twice protein as much twice C: twice protein as much D: protein as twice much

() and the poor are quite different in their opinions of the political candidates(候选人). A: Rich B: The rich C: Rich D: A rich

The protein localization is determined by its sorting signal that directs the protein to the organelle.

When an enzyme protein is purified and assayed step by step, _____________________________________ with each step. A: oth activity and total protein generally increase B: activity increases but total protein generally decreases C: oth activity and total protein generally decrease D: activity decreases but total protein generally increases

Protein domain is a __________ part of a given protein sequence that has evolved a specific function.