The answers are DNA and Nucleus
You are amazing smile today! make sure you drink water and eat!!
The 3 types of muscle tissue<span> are cardiac, smooth, and skeletal.
Hope this helps. :)
</span>
B. Steroid hormone
This is because most hormones are steroids, that send long distance signaling throughout your body.
Protein, the building blocks of proteins are amino acids, different sequences and combinations of these amino acids result in huge numbers of proteins which have a variety of functions.
