The protein channel illustrated in model three is a ligand gated channel. What must occur for the gate to open and allow movement of ions across the membrane?

Wich of the following countries is the top oil consuming and importing country A) Saudi Arabia B) Canada C) United States D) france

How do limiting factors affect the carrying capacity of an inviroment?

What is the best example of biological contamination? a. a wedding ring that falls off of a food worker's finger and into the salad dish. b. a can of pesticide is sprayed over the food prep area currently in-use. c.

If a single strand of a gene contains 726 bases, 242 amino acids will make up the polypeptide prepared from it, assuming every base of the gene is transcribed and then translated. select one: a. True b. False

If one interprets Western biomedicine as an ethnoetiology, they are basically seeing biomedicine as embedded in a distinct cultural tradition, regardless of the fact that it may claim to be purely scientific and bias-free.

Water covers over two - thirds of Earth's surface. Yet water shortages are a major problem for many people around the world. Why do you think this is the case?

Which of the following is not true about cells? 1) All living thing begins life as a single cell. 2) The cell is the basic unit of the structure and function of life. 3) It takes many cells to make a complex organism.

Is mold that grows on bread a decomposer a producer or a consumer

In the Atlantic which part of the oceanic crust is older

Item 2 Put the following in order from smallest to largest: Organism Tissue Organelle Organ Organ System Cell