Smooth ER is largely associated with lipids as well as the following:Phospholipids as in plasma membranes, and steroids.So the answer is (B)
scientific names known over all word or as internationaly
The alveolus has a large surface area to allow for the largest amount of gas exchange. It also has a wall that is only one cell thick to allow diffusion to occur rapidly. Hope this helps x
Answer: age, smoking habits, and size/weight
Explanation:
The older you get, the weaker you'll be, so your breathing will be effected.
If you smoke then your lungs will be effected which will ultimately have an affect your breathing.
If you're really heavy (ex. Over weight) then you will get tired more easily, which will effect your breathing rate.
To activate means to start, and activation energy starts the reaction, which means activators start the reaction.
Answer: <span>Activators</span>