The element nitrogen has the atomic number 7 and an atomic mass of 14. How many neutrons does an atom of nitrogen contain? A. 14 B. 7 C. 0

Disease breaks down the structures or functions or organism. Some diseases and health problems are the result of the failures of he system. What serious health problem might occur if there is a failure in the cardiovascular system?

In the early 1980s scientists were able to produce two biomolecules by splicing a human gene into the bacterium E. coli to make recombinant human insulin and growth hormone. Which statement best explains why this experiment was successful?

Double layer surrounding the nucleus

Which of these statements provides evidence to the fact that oceans influence climate by transporting water from one place to another? Answer Cold ocean water off the east coast of Florida brings rain in coastal California.

The invasion of the skin and hair by lice is called:

Which of the following is an example of intrinsic regulation? Group of answer choices The hypothalamus senses that your core temperature is too low and turns on effectors to raise it.

What environmental factors could explain differences between breath holding and a "dive"?

If element X has 76 protons, how many electrons does it have

Explain how carrier proteins transport substances across cell membranes.

The alkali metals make up which group of the periodic table?