Explain why most scientists think the first cells were similar to today's archaea

lymph blank are found throughout the body and are a signal of a disease, infection, or problem if they become and remain swollen for long periods of time

The sky is mostly blue, wish some high, thin, feathery clouds. Whcih type of weather is most likely to occur? A.) Light drizzle B.) Heavy precipitation C.) Fair Weather D.) Thunderstorm

Jeff's drug addiction to cocaine occurred because cocaine overstimulated the reward system in his brain and disturbed the function of which neurotransmitter?

Is hipnotism related with darkness?

Some of the most promising treatments for cancer are targeted therapies. Use information from credible websites to explain how targeted cancer therapies differ from traditional chemotherapies, and describe why these therapies are an advancement in

What is the difference between a meteor and a meteorite? A meteor has more mass A meteorite reaches Earth and has not burned up A meteorite orbits the sun and a meteor does not A meteorite glows

How does global warming affect the temperate deciduous forest

Why do mutations make such a large contribution to bacterial genetic variation?

What part of a childs brain is resposible for licking and eating reflexes?

Which human body system do you most resemble to ribosomes and why?