What are the roles of osteoblasts osteocytes and osteoclasts? Excample:
Osteoclasts are responsible for resorbing, or breaking down, bone matrix. A balance between bone production and bone resorption is necessary for remodeling and renewing your skeleton. Osteocytes are mature osteoblasts that have become trapped within the very bone matrix they produced
Answer:
The biological carbon cycle is not only faster than the geological carbon cycle. The amount of carbon taken up by photosynthesis and released back to the atmosphere by respiration each year is 1,000 times greater than the amount of carbon that moves through the geological cycle on an annual basis.
Explanation:
The soil located on top of a mountain differs essentially from lowland soils due to the process of their origin and their morphological and chemical characteristics.
At the mouth of a river, the change in flow condition can cause the river to drop any sediment it is carrying.
Answer: D
Explanation:
Could RNA have provided a template for DNA assembly, thereby enabling a more stable molecule that is replicated more accurately?