Which of the following activities would most likely be done by a physiologist? (2 points) Examining a deformed femur bone
Using a microscope to count mitochondria in a muscle cell
Comparing cardiac tissue between a frog and a human
Studying how cardiovascular exercise affects insulin production

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.