The human body can be provided with all of the following from food except A. amino acids. B. lipids. C. hydrochloric acid. D. proteins.

Which of these parts of an illuminated plant cell would you expect to have the lowest ph?

Would you expect the hydrogen peroxide you buy from the store to bubble like soda when you open it?

Based on the diagram, oxygen flows through the circulatory system in which order? a. 2, 1, 3 b. 5, 3, 1 c. 3, 2, 4 d. 1, 2, 4

Why is carbon so abundant in living things when oxygen is the most abundant element on Earth? Carbon atoms can bond with one another to make chains and cyclic structures whereas oxygen atoms cannot form chains or cyclic structures.

How are ionic compounds and covalent molecules different

What is the name of the type of cell division that occurs in the prokaryotic cell cycle?

Select the correct answer. Why is it difficult for scientists to find fossils from the Precambrian period?

The first division of meiosis is called a reduction division. This is because the purpose of meiosis is to divide into four smaller cells. the chromosomes are much more highly condensed than in mitosis.

Which type of equipment would be used to precisely measure 26.0 mL of diluted hydrochloric acid? A. 100 mL beaker B. 500 mL Erlenmeyer flask C. 50mL graduated cylinder D. 10mL test tube

How do fossils provide evidence to support the theory of the evolution of earth?