Clarence is visiting his friends in Germany. He will pay for the souvenirs using which currency?

A. kroner

B. francs

C. euros

Blood pressure is highest just after ventricular systole and lowest during ventricular diastole why

In the second stage of aerobic respiration, what happens to the electrons that have been depleted of their energy during atp production?

What is life and how are living things organized

Define commensalism and provide an example of this relationship between two organisms

The function of dna ligase in the generation of recombinant dna is to

What is the main function of the large intestine? A. digestion of proteins B. absorption of nutrients C. breaking down complex carbohydrates D. removing water from undigested waste

Which type of environmental scientist is most likely to study how whales are affected by pollution? a. Hydrologist b. Toxicologist c. Ecologist d. Oceanographer

How did Francesco Redi disprove the idea of spontaneous generation? He showed that flies were not produced by meat. He showed that microorganisms are present in air. He showed that microorganisms cause disease. He showed that flies spread disease.

Of the millions of sperm who start the long journey to the egg, how many sperm are actually allowed to enter the egg?

A mineral leaves a gray trail when scraped against an unglazed porcelain plate. Which property of a mineral is being measured? A. luster B. streak C. color D. hardness