Which macronutrient is NOT matched to the correct kilocalories for one gram?

What simple sugar does muscle tissue use to fuel contractions?

Proteins are made of _______. 

Choose the most appropriate study design for conducting each of the following to determine a causal association.Disease: mesothelioma (a rare form of lung cancer)Exposure: smoking

Compared to adults, children need water and carbohydrate ____________ during exercise.

Many people who exercise are interested in replacing electrolytes lost due to sweat. Electrolytes are ________.

Eating disorders are more common in athletes.

Protein needs are greater during the 3rd trimester of pregnancy.

Which statement best describes gestational diabetes?

Which of the following body structures are made of protein? SELECT ALL THAT APPLY