Store Sperm cells i am pretty sure
Answer: Phosphoprotein from case is the only simple protein out of all of them, so Myosin from muscle, Collagen from connective, and Keratin from hair are not simple proteins
Explanation:
I am in a veterinary academy, this should be exactly how I see my animals but I only know #1-4 :(
1. Medial
2. Lateral
3. Cranial
4. Caudal