Answer
D.Osteoblasts
Explanation:
Appositional growth is the increase in the diameter of bones by the addition of bony tissue at the surface of bones. Osteoblasts at the bone surface secrete bone matrix, and osteoclasts on the inner surface break down bone. The osteoblasts differentiate into osteocytes.
Answer:
ribosomes and DNA i never heard of the last one
Explanation:
edgeunity 2020 unit test
Answer: a form of symbiotic relationship: mutualism
Explanation:
Mutualism is a form of symbiotic relationship in which both organism benefit in the relationship. Other forms of symbiotic relationship includes parasitism and commensalism. An example of mutualism is the presence of the nitrogen fixing bacteria eg Rhizobia found in the root nodules of leguminous plants that fixes nitrogen which is utilized by the plant. While the plant in turn products carbon which is utilized by the bacteria and also provide an habits for the bacteria.
It causes pathogens to stick together.
Answer:
sickle cell anemia is not expressed
Explanation: