Which of the following statements is true?

a. all of these are true
b. pku is a metabolic condition caused by the absence of an enzyme
c. lactose intollerance is caused by a malfunctiong or absent enzyme
d. an acidic environment can change an enzyme's shape and therefor its function

Brad was almost hit by a speeding truck as he crossed the street. his heart began to race, and he felt extremely afraid as he jumped out of the way in just enough time to avoid the truck. a psychologist who supports the theory of emotion would claim that based on the arousal brad experienced, he appraised the situation and then labeled his racing heart as fear. a. james-lange b. cannon-bard c. schachter two-factor d. evolutionary

Lordosis can often be prevented by strengthening core muscles in the abdominals and back. a. true b. false

Organize the stages of tissue repair in the order in which they occur, starting with the first stage at the top.