Which of the following statements best explains the fact that there was no discernable difference between the groups on day 1?
a. beta carotene had been absorbed by the body in sufficient quantities, but vitamin a was not detected in the body.
b. beta carotene was excreted from the body before it could produce vitamin a.
c. beta carotene had not yet been absorbed by the body in sufficient quantities to influence the amount of vitamin a being produced.
d. beta carotene was consumed by the body in a quantity that was insufficient to produce vitamin a.
Answers: 2
Biology, 22.06.2019 03:40
20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.
Answers: 1
Biology, 22.06.2019 06:00
Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?
Answers: 3
Which of the following statements best explains the fact that there was no discernable difference be...
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