A chemical substance that an organism requires to live. a nutrient that is scarce or cycles slowly through an ecosystem. ensures that nutrients will be circulated throughout the biosphere.
Answer:
it is a neurotoxic protein
Explanation:
It effects how the brain carries out daily essential life functions and hinders the medulla oblongata after long enough exposure. Also causes partial paralysis
Answer:
It was concluded that the dialysis tubing doesn't allow all kinds of substances to pass readily through the pores of its membrane. This means that it is selective in its permeability to substances. The dialysis tubing was permeable to glucose and iodine but not to starch.
Explanation:
