Most of the food and waste materials that move into and out of a cell pass through A. receptor proteins.
c. enzymes.
b. marker proteins.
d. channel proteins.

it is a limiting nutrient limited by a single nutrient in the ecosystem, & the single goes very slow.

yes the words are placed in front

the jugular venous disention can be a sigh of problems starting with the heart specificaly the right side. with the evidence pressent he may have a blocage in a vein or artery due to a blood clot forming in the surggery. its a theory