* If Chargaff analyzed a sample of DNA and found that 13% of the bases were adenine. What would the percentages of the other 3 bases be?? Show your math… *

Models are non-visual ways of coummincating how someone thinks about something in the natural world

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

According to this food web which of the following would be considered primary consumers