Answer:
When it stands the test of time and is supported by many experiments.
Answer:
Polytene chromosomes may be defined as the giant chromosomes that contain alternate dark and light bands when view under the microscope. These chromosomes are found in the salivary gland of Drosophila.
These glands are functionally highly active and contain thousand of DNA strands. These chromosomes are aligned parallel with each other as the replication is normal but the cells are unable to separate and fails to undergo the process of cytokinesis.
Modern humans have been the only species of homo, so true .
There are 46 atoms of hydrogen inside the cholesterol.
The formula of cholesterol is C27H46O, meaning that besides hydrogen it contains 27 atoms of carbon and one atom of oxygen.
Cholesterol can be found in large concentrations within the liver, spinal cord, and brain providing the stability of the cell membranes.