Once absorbed, copper is bound to ________ for transport.
A) ceruloplasmin
B) albumin
C) transferrin
D) metallothionein
Ans: B) albumin
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Proteins synthesized and secreted by adipose cells are called ________.
Fill in the blank(s) with the appropriate word(s).
Which visual pigment is formed by the combination of retinal vitamin A and opsin that allows for perception of light?
a. retinol-bindingprotein b. rhodopsin c. retinoic acid d. keratin
Matt is a vegan. As a result of his diet, he consumes no sources of preformed vitamin A. Which of the following statements explains why he has not developed a deficiency of vitamin A?
A. Matt eats plenty of vitamin B-enriched cereal products. B. Matt's diet is rich in vitamin C, which reduces his need for vitamin A. C. Matt's diet supplies high amounts of beta-carotene. D. Matt's diet contain high amounts of tryptophan.
Smoking increases the risk of premature detachment of the placenta
Indicate whether the statement is true or false