respiratory failure can lead to a change in the color of the skin, which is more evident in light-skinned individuals. which pigmentation factor is affecting this change?

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Pls quickly! which of the following is true about the behavior of an organism? a. the behavior of an organism is influenced by both its heredity and it’s environment. b. the behavior of an organism is influenced only by the treats it inherits from its parents. c. the behavior of an organism is influenced only by the environment in which it lives in. d. the behavior of an organism is not influenced by either it’s heredity or its environment.

What does the positioning of transcription factors determine?