Vitamin A is derived from what provitamin?

A) provitamin D3 B) beta carotene C) panthenol D) ergosterol


B

Nutritional Science

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A) the continual process of breaking down protein to amino acids and the building of protein from amino acids B) a condition in which the blood pH falls below 7.35 C) a condition in which the blood pH is above 7.45 D) unique component of an amino acid that provides it with its distinguishing qualities E) the accumulation of excess water in the spaces surrounding your cells F) the bonds that connect amino acids G) the building blocks of protein H) a nitrogen-containing waste product excreted in your urine I) compounds in your body made from amino acids J) the limited supply of amino acids in your blood and cells used to build protein K) protein- or lipid-based chemical messengers that initiate or direct a specific reaction L) substances that alter the rate of a reaction in the body without being changed or used up M) the alteration of the shape of the protein, resulting in loss of function in the body N) the nine amino acids the body cannot make and that must come from the diet O) substances that help maintain the proper pH in a solution by attracting or donating hydrogen ions 13) Proteins 14) Amino acids 15) Side chain 16) Peptide bonds 17) Denaturation 18) Amino acid pools 19) Essential amino acids 20) Protein turnover 21) Urea 22) Enzymes 23) Edema 24) Hormones 25) Buffers 26) Acidosis 27) Alkalosis

Nutritional Science

After the picnic, the leftover potato salad remained on the table in the sun for 4 hours. What should be done with the leftovers?

a) Put the leftover salad in small shallow containers to cool it quickly in the refrigerator before serving it again. b) Transfer the leftover salad to a clean container and freeze it to kill any microbes. c) Throw away the leftover salad because it has been at an unsafe temperature too long. d) Smell the leftover salad and throw it away if it has a spoiled smell.

Nutritional Science

Which type of nutrition support ensures the maximum function of the GI surface area?

a. tube feeding with an isotonic formula b. tube feeding with BCAA c. peripheral parenteral nutrition d. parenteral nutrition

Nutritional Science

Which of the following is a characteristic of most fad diets?

a. They produce long-lasting results just like healthy diets. b. They limit food choices, thereby reducing energy intake. c. They are balanced and therefore do not require a dietary supplement. d. Their success depends on the ratios of macronutrients more so than the total energy value. e. They are typically as healthy as more traditional weight-loss diets.

Nutritional Science