Answer: Like the thread, molecule of DNA is so thin, around 2 nm in length so, it cannot be seen with the naked eye. When DNA is clumped together, it is visible. To see or examine the DNA, it must be isolated from the cell and examine under microscope. Strands of DNA should be released from the nuclei of the cell and should be separated from other components such as histone protein around which it is coiled, before examining it.
Adolescent sports in north America differ because they are most likely able to get hurt easier and they get more money
True, the larynx is attached to the very top of the trachea.The larynx
allows you to breathe and make noises. It is made up of cartilage and
mucus membranes and it is situated right underneath the end of the
tongue. It is meant to protect the trachea, or the windpipe, while
eating and to produce sound.
False. alcohol is a depressant.
