ATP is a nucleotide that consists of three main structures: the nitrogenous base, adenine; the sugar, ribose; and a chain of three phosphate groups bound to ribose.
The Endocrine and Central nervous systems are the major control systems for regulating homeostasis.
-Homeostasis is the ability to maintain internal stability in an organism in response to the environmental changes.
-In this the hypothalamus maintains homeostasis, regulating metabolism, reproduction, eating and drinking behaviour, energy utilization, osmolarity and blood pressure.
-Most control systems maintain homeostasis by a process called negative feedback.
-Negetive feedback is a mechanism in which the product of a reaction leads to a decrease in that reaction.
Learn more about Homeostasis, refer,
https://brainly.in/question/2300135
Answer:
melanin affects how one looks (1st question)
cause and effect (2nd question)
Explanation:
for the 2nd question, its cause and effect because uv rays hit our skin and our skin is affected which gives us suntan.