It has been proposed that mitochondria and chloroplasts are modern descendants of early prokaryotic cells that began to reside and gradually involved within prumitive cells which statement supports this View

Select the correct answer. The element nitrogen has the atomic number 7 and an atomic mass of 14. How many neutrons does an atom of nitrogen contain? OA. 14 O B. 7 Oc. o

Assume that a cross is made between AaBb and aabb plants and that the offspring fall into approximately equal numbers of the following groups: AaBb, Aabb, aaBb, aabb.

A person with brown eyes could or could not be carrying an allele for blue eyes

What sequence represents the correct order of events for production of the necessary complex molecules after food is taken in by a multicellular animal?

What do translation and transcription work together to make apex?

According to current scientific thinking, true multicellular organisms evolved from what

Plants can often be propagated from stems but rarely from roots what features of shoots account for this difference?

What is current density?

What is radiant energy

Prairie dogs are highly social, burrow dwelling rodents. Families have a stnct sou E) 1.5 hierarchy and their "towns" can span hundreds of acres. In one colony, 750 animals live in a 500m2 area. What is the population density? A) 150 B) 2.