Which genetic disease is characterized by red blood cells that are sickle-shaped instead of round?

A. color blindness

B. Down syndrome

C. sickle-cell anemia

D. Klinefelter's syndrome

An element blank is its row of the periodic table

You transfer a clear liquid from a beaker into a test tube. You heat the test tube with the unknown liquid over a Bunsen burner.

Distinguish between thermal cracking and catalytic cracking

Which is the most important factor in determining the state of a substance? A. the size of the atoms in a substance B. the number of molecules in a substance C. the position of the electrons on the outer valence shells D.

What is required for an electron to move between energy levels?

Is metalloid an insulator

What is a example of a population

Which of the following statements holds true for a chemical change? OA In a chemical change, no new substance is formed. B. In a chemical change, a substance changes its phase. oc. In a chemical change, the molecular structure of a substance changes.

What is the name of the branch of science that specifically studies the conversion of chemical energy to electrical energy and vice versa? biochemistry electrochemistry organic chemistry thermodynamics

What is the symbol for heat