Conditioned responses can persist for months or years. But what happens if a conditioned stimulus is repeatedly presented without the unconditioned stimulus?

The A, T, C, and G molecules in DNA code for the synthesis of ________

a. genes. b. amino acids. c. chromosomes. d. proteins.

The first step in the scientific method is to conduct background research about a particular topic to see what has been discovered by other scientists

Indicate whether this statement is true or false.