answers12
what are enzymes? - ANSWERS -protein molecules that speed up chemical reactions
are enzymes changed during chemical reactions? - ANSWERS -no
what is the purpose of athletes carb loading? - ANSWERS -to maximize the storage of glycogen
(energy) in their muscles
what are energy-yielding nutrients? - ANSWERS -macronutrients
what are the 3 groups of macronutrients? - ANSWERS -carbohydrates, proteins, and lipids
how much do we need a day of macronutrients? - ANSWERS -large amounts each day
how is energy measured? - ANSWERS -kilocalories/kcals
what categories do carbohydrates include? - ANSWERS -sugars and starches
how many kcal per gram do carbohydrates provide? - ANSWERS -4 kcal/gram
what is the additional category of carbohydrates? - ANSWERS -fiber
does fiber provide energy? - ANSWERS -no
, what are lipids commonly called? - ANSWERS -fats or oils
what form of energy is a lipid? - ANSWERS -a concentrated form of energy
what kind of fat is abundantly found in the body? - ANSWERS -triglycerides
what do foods high in saturated fatty acids potentially do? - ANSWERS -promote certain
diseases
what do foods high in unsaturated fatty acids potentially do? - ANSWERS -prevent certain
diseases
how many kcals per gram do lipids have? - ANSWERS -9 kcal/gram
what are proteins required for? - ANSWERS -growth, maintenance, and repair of the body
what can proteins supply? - ANSWERS -energy
how many kcals per gram do proteins have? - ANSWERS -4 kcal/gram
what kinds of foods provide protein? - ANSWERS -meat, fish, poultry, dairy products, legumes,
and grains
what are proteins made up of? - ANSWERS -different combinations of amino acids