Lynn margulis proposed the mechanism of to explain the origin of mitochondria

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen

Which genetic disorders, caused by an extra x chromosome (xxy), is characterized by a lack of testicular development in males, effeminate features, possible mental impairment, and a thin stature?

You do things keep your body in balance everyday what things do you try to keep balanced in your everyday life