Dr. Fiennes, a psychological researcher, studies the biological bases of memory problems in the elderly using animal research subjects. Fiennes is a(n) psychologist

Analyze the role of exercise in the aging process. How important is exercise in late adulthood? What types of exercise might be especially beneficial? What obstacles exist toward getting regular exercise?

What will be an ideal response?

Carla loves to work on her tan and feels safe because her family has no history of skin cancer. However, her doctor just a found a melanoma on her skin. The doctor points out that ultraviolet radiation from the sun can cause ________ that can lead to skin

a. pigmentation b. epigenetics c. mutations d. double-helixing