Answer:
During metaphase, the cell's chromosomes align themselves in the middle of the cell through a type of cellular "tug of war." The chromosomes, which have been replicated and remain joined at a central point called the centromere, are called sister chromatids.
Answer:
It could not exist without bacteria.
The diseases that appear to increase in frequency as countries become more industrialized and people live longer can include Alzheimer's disease, arthritis, atherosclerosis, asthma, cancer, chronic liver disease or cirrhosis, chronic obstructive pulmonary disease, type 2 diabetes, heart disease, metabolic syndrome
Answer:
Once osteoblasts have surrounded themselves with the extracellular matrix of bone tissue, they remain inside little chambers called <u>lacunae</u>, where they carry on the metabolic functions that maintain bone tissue. At this point, they are called osteocytes.