<h2>C
holesterol=laden macrophages</h2>
Explanation:
Cholesterol is a fat like waxy substance which is present in all the cells in our body.
Cholesterol is required by our body to make vitamin D, hormones and the substances which help us to digest our food. Our body makes all the cholesterol that we require.
For adults, the cholesterol level less than 200mg/dl are considered desirable.
A heterotroph is an organism that cannot produce its own food. It has to eat/ consume other organisms to sustain its self. An omnivore is an animal that eats both plants and animals. It is a heterotroph because it must eat to live. Same with a carnivore, just that it only eats meat.
Energy can power electricity which can power tv's, light, chargers, and everyday electricity
The sequence of nitrogenous bases. Think of adenine guanine cytosine and thymine, and how they are ordered
Your question is rather unclear but from what I can tell either there were not an even amount of Petri dishes or some of them were left open while others were not.
