In the human body, most cells take in very small amounts of iodine. Cells of the thyroid gland,
however, depend on much higher iodine
concentrations. Which method of transportation
would you predict thyroid cells use to take in
iodine? Construct an argument to support your
prediction.

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.