How is nitrogen used in plants and animals?

Why does DNA replication have to occur before cell division? Explain what would happen if it did not occur

Consider the two-step metabolic pathway: A - (enzyme 1) - >B - (enzyme 2) - >C How would inactivating enzyme 1 affect the concentrations of molecules A, B, and C relative to what they would be if the pathway were fully functional?

How do sociologists examine the social world using both history and biography? In relation to this subject matter, what is macrosociology? What is microsociology?

Explain the germ theory of disease. a. Some microorganisms can cause disease. b. All microorganisms can cause disease. c. Something in the air caused healthy people to become sick. d. Only pure cultures of microorganisms cause disease

A force that pulls water, slowing its downward movement is

If you are studying a population and 92% exhibits the dominant phenotype, what percentage exhibits the recessive phenotype?

Which statement best explains how deforestation affects organisms? It increases the amount of carbon dioxide in the air, enhancing global warming. It reduces the amount of carbon dioxide in the air, enhancing global warming.

The gene for alfa globlin and beta globlin are found

What happens to water consumption when urban sprawl takes place? O A. Water consumption drops because high-density cities use more water. O B. Water consumption rises because high-density cities use more irrigation. O C.

Fewer offspring is a disadvantage from which form of reproduction? a) mitosis b) asexual reproduction c) binary fission d) sexual reproduction