The firsy one does both oxygenated and deoxygenated blood use the umbilical artery
Answer:
Morphology
Explanation:
Bacteria are usually identified by using standard molecular biology procedures, being the Polymerase Chain Reaction (PCR) the most widely used technique for this purpose. The identification by PCR consists of the amplification and visualization of specific DNA sequences that can be obtained from different individuals, strains, species, etc. However, it is also possible to identify bacteria with a microscope, i.e., by observing taxonomical characteristics that allow to differentiate specific bacteria.
Answer:
Robert Koch
Explanation:
He became famous for discovering the tuberculosis bacillus, presenting his findings in March 1882, as well as cholera bacillus for the development of koch postulates..
Answer:
mutations cause most cases of cancer. Some acquired mutations can be caused by things that we are exposed to in our environment, including cigarette smoke, radiation, hormones, and diet. Other mutations have no clear cause, and seem to occur randomly as the cells divide.
African elephants flap their large ears to cool off represents B. Relationship of structure to function
The African elephants flap their ears in the air to cool off the blood that flows through them. It's working like a fan. The elephant is ada<span>pting to the environment's temperature.</span>
