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Polar (R) side groups on amino acids are said to be ____ because they are attrac

ID: 510844 • Letter: P

Question

Polar (R) side groups on amino acids are said to be ____ because they are attracted to water molecules. a. hydrophilic b. hydrophobic c. always ionized d. unreactive e. none of these What is the common source for Jello^TM or gelatin products sold in the U.S.? This is important to consider when serving clear liquid diets. a. Seaweed proteins b. Horse derived proteins c. Soy derived proteins d. Pig derived proteins e. Chicken proteins Which amino acid is classified as basic? You will probably want to use your beloved text. a. val b. thr c. phe d. lys e. glu

Explanation / Answer

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Polar (R) side groups on amino acids are said to be hydrophilic because they are attracted to water molecules

Polar R groups, along with acidic and basic R groups, are said to be hydrophilic because they are attracted to water molecules

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What is the common source for JelloTM or gelatin products in the U.S? This is important to consider when serving clear liquids diets

Pig derived proteins

Gelatin is a natural product derived from animal skin, bones and tendons. Gelatin produced in the United States comes primarily from pigskins. Gelatin has a low protein nutrient value. It lacks several amino acids, particularly tryptophan.

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Which amino acid is classified as basic? you will probably want to use your beloved text.

Lysine

There are three amino acids that are basic at neutral pH. These are arginine (Arg), lysine (Lys), and histidine (His). Their side chains contain nitrogen and resemble ammonia, which is a base