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.

The answer is option C

Explanation:

Option c- Beta carotene had not yet been absorbed by the body in sufficient quantities to influence the amount of vitamin A being produced. Beta carotene is an organic, red-colored pigment that is found to be abundant in plants and fruits. it is a member of the Carotenes. Beta carotene is an inactive form (precursor) to vitamin A.

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation:

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.