Its a molecular substance
Answer:
The correct answer is option (a)-"zone of cell proliferation".
Explanation:
Chondrocytes are cells within healthy cartilage, that secrete the cartilage's matrix and gets embedded in it. The zone of cell proliferation in bone development is found near the medullary cavity. In this zone, an expansive production of chondrocytes that align in rows is found and the cartilage matrix becomes more basophilic.
Answer:
Fossils can be described as the dead remains of plants and animals which are used to study evolutionary histories of organisms. The most common type of rocks on which imprints of dead plants and animals will form are the sedimentary rocks. The fossils found on the sedimentary rocks can also be used to date the sedimentary rocks and study how old the rock or the imprints on it are.
Answer:
Just as helicase is responsible for unwinding the DNA strand, DNA polymerase is responsible for replicating the strand once it unwinds and separates. DNA is made up of a sugar-phosphate ladder and a nucleotide base.
Explanation:
As materials move from higher to lower concentration diffusion is occurring.