The answer is d. chromosomes help an organism produce usable energy
Yes. A person comes across many colds in a year or a life time and produces antibodies for each. Babies get many colds in the first years and fewer as they <span>get older because they have made antibodies.</span>
Often these molecules are carbohydrates, attached to certain lipids, or also I believe are called as glycolipids. These are marker molecules and are used to distinguish cells from each other. As cells can differentiate from one another based on the composition of the carbohydrates present on the lipids, I believe.
A salamander is cold blooded because it is a reptile.
Answer:
The scientist is leeuwenhoek
Explanation:
