Most biomolecules contain nitrogen. Which functional group contains nitrogen? amino group hydroxyl group carbonyl group

Why does the environmental crisis demand a new ethic?

In what basic settings do intrusive and extrusive igneous rocks originate

Explain how human activity can impact the limiting factors of river ecosystems.

A hypothesis is a lucky guess? True or false

Select the correct answer. The largest coral reef in the Western Hemisphere is located off which country's coast? A. Belize B. Mexico C. Trinidad and Tobago D. Cuba

Occurs in essentially lifeless areas-regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. what type of change is this?

Determine the number millimeters in 1 kilometer

In your own words, explain why human sex cells only need 23 chromosomes.

Describe the events that occur during mitosis

Why would engulfing these smaller prokaryotic cells be an advantage to the larger prokaryotic cells? A) The smaller prokaryotic cell would be protected by the larger cell.