The statement, Eat carrots because they are good for your eyes, is:
a. correct because protein in carrots is important for the development of keratin, which forms the retina.
b. correct because the vitamin A precursor in carrots becomes activated to form rhodopsin in the eye.
c. correct because retinol in carrots will be transported to the eyes to prevent blindness.
d. incorrect because beta-carotene is not stored in the eyes to be used for vision.
e. incorrect because carrots provide beta-carotene, which is not the active form of vitamin A.
Question 2
You advise your grandmother against using mineral oil as a laxative because:
a. it cannot be absorbed by the body.
b. it may result in loss of the fat-soluble vitamins through excretion.
c. it may lead to toxic levels of the fat-soluble vitamins.
d. it is not an effective laxative.
e. it interferes with the digestion and absorption of water-soluble vitamins.
The protein keratin, formed by all vertebrates
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protein synthesis
Jeremy Deller, A Good Day for Cyclists (painted by Sarah Tynan).
Checking the voltage drop between the TP sensor ground and a good engine ground with the ignition ...
RNA and Protein Evolution