When have you been altruistic or helpful to another person or group of people? When have you been hurtful or aggressive to another person or a group of people? Describe both of these situations and explain how evolutionary psychology could be used to explain the adaptive benefits of such behavior.

Why are lipids and proteins free to move laterally in membranes?

The best instrument to use to separate the liquid portion from the solid portions in whole blood is a(an) a. compound light microscope. c. test tube. b. centrifuge. d. electron microscope.

What occurs during translation? a. mrna is created by using a dna template b. mrna codons are joined by trna anticodon to assemble amino acids to form a protein c. protein is formed when a polypeptide chain is broken apart and released from ribosome d. one strand of dna is copied into a strand of rrna