What occurs with the amino acid disorder homocystinuria?
a. cysteine is unable to be converted to homocysteine
b. homocysteine is unable to be converted to cysteine
c. homocysteine is unable to be converted to lysine
d. homocysteine is unable to be converted to leucine
e. cysteine is unable to be converted to leucine
b
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In numerous developing countries, the distribution of what type of supplements has contributed to a nearly 23% reduction in childhood mortality?
A) vitamin A supplements B) protein powders C) powdered infant formula D) iron supplements
Which enzymes help with protein digestion?
a. amylase and lipase b. sucrase and maltase c. maltase and lactase d. pepsin and trypsin e. lipase and lactase
Harold is a college sophomore and is trying to get in shape for spring break. He would like to lose the body weight he has gained during his freshman and sophomore years. In high school he played sports and his family prepared healthy meals, but his freshman and sophomore years have proven to be very different with late nights of school work and hanging out with friends playing poker and eating
lots of take-out food, snacking on pizza, and drinking soda. Harold, who is 5' 10" tall, has gained 18 pounds and now weighs 180 pounds. Harold has never tried to lose weight before and decides to talk to a personal trainer at the gym to get help. During Harold's consultation the personal trainer assesses his BMI, determines his ideal body weight, and measures his body fat content using skin fold calipers. The personal trainer tells Harold his body composition is 26% fat. The personal trainer also measures Harold's waist and his measurement is 42". What does Harold's BMI reading tell him? A) He is under weight B) He is a healthy weight C) He is overweight D) He is obese
All of the following minerals are correctly matched with one of their main functions EXCEPT:
a. magnesium—cofactor for numerous enzymes. b. phosphorus—regulation of protein activity. c. calcium—blood clotting. d. potassium—component of DNA.