Answer: Hydrogen peroxide is used as an antiseptic to kill bacteria in cuts and abrasions. Many of these bacteria are catalase positive,
Explanation: that’s it
List the four types of organic macromolecules. Provide specific molecular examples of each.
The answer to this would be layer D because temperatures in the mantle range from 500-900 degrees celsius
Eukaryotes are single cellular organisms so A D C
Skin and Integumentary system protects by forming a selective barrier.
<u>Explanation</u>:
Multicellular organisms unlike unicellular organism have a variety of systems each having a different function. The body of multicellular organisms is covered with epidermis or skin which is known as largest organ of the body. The skin consists of many sensory receptors and protects by enclosing muscles and other body tissues. While Integumentary system is made with skin and its various appendages like hair, feathers, nails etc. with receptors and secretary pores and protects the body from pain.