Which of the following is the cardinal sign of a toxic chemical release?
A) A low-hanging vapor cloud
B) An odor similar to rotten eggs or newly mown grass
C) Puddles of an unusual liquid
D) Similar signs and symptoms occurring rapidly in a group of individuals
Question 2
At the cellular level, the treatment of seizures is generally accomplished by ________ the influx of ________ ions into the neural cells.
A) enhancing; potassium
B) inhibiting; potassium
C) inhibiting; sodium and calcium
D) enhancing; sodium and calcium
A hypothetical scenario illustrating the process of chemical selection
Herbivores must overcome the wide variety of physical and chemical defences evolved by plants.
Overview of the cell’s principal chemical building blocks
Tummy rock to release energy blocks in the torso and head.
Lab: Mass Relationships in Chemical Reaction
A chemical reaction is run in which 447 Joules of work is done by the system and