I think it’s nucleic acid
Answer:
When nutritional protein is in brief supply, the frame tends to take protein from skeletal muscles to keep more important tissues and frame functions. As a result, lack of protein ends in muscle losing over time. ... Loss of muscle tissues is one of the first signs of inadequate protein intake.
Explanation:
please mark me brainliest!
Answer:
a thick layer of fat
Explanation:
because weather is temperate, animals need a fat layer 2 keep warm, if there is no food available, it's fat layer essentially gives it energy when food is scarce, or hibernation occurs...