D. Myosin and actin do not fully detach, so the muscle cannot relax.
Aminos acids are used to build proteins
Answer:
Basal Layer
Explanation:
Melanocytes reside in the basal layer of epidermis where they form the epidermal melanin units as a result of the relationship between one melanocyte and 30-40 associated keratinocytes
- developed from two separate eggs. Identical twins come from one zygote that splits into two embryos, while fraternal twins come from two separate eggs that are fertilized.