In cells hydrogen peroxide is converted to water and oxygen throughout the activity of
a. enzymes
b. fats
c. lipases
d. pigments

Which part of cellular respiration must occur before any of the other steps can occur

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!