<span>C,H,N,O,SAmino Acid=C+Amino Group+Carboxyl Group+Variable Group<span>4 Levels of Protein Structure:Primary: Order of Amino AcidsSecondary:3-D shapeTertiary: globularQuaternary: 2+ chains linked</span>Fn: Structure, Transport, Communicate, Speed up chemical rxns, Control cell growth</span>
The answer is sac. It
is a fungi that attacks elm trees and is carried by an insect called the elm
bark beetle. It hits the roots and
causes the tree to slowly deteriorate and eventually die due to lack of
nutrients once it is infected by this fungi.
Four ways bacteria is helpful to people:
*1). digestive bacteria helps our body to break down, digest, and absorb the food that you take in.
*2). there are certain types of bacteria in your endocrine system which help you to fight off various diseases, sicknesses, as well as get immuned to them faster.
*3). adding on to the endocrine system, many bacteria help the realease of hormones and other things that take place in glands. HOPE THAT HELPS!!! can you please pick my answer as brainliest!!??? thank you!!!!
Answer:
variation in skin color.
Explanation:
The human skin color is determined genetically depending on the amount of melanin. However pigmentation can occur as a results of exposure to uv rays that causes induced pigmentation.
The sun emits two types of ultra violet rays which can reach can reach the skin namely the uva and uvb. Both type of rays can damage the skin if unprotected. Due to this there was evolution against the damaging rays. More melanin that provides a natural sunscreen to the people leaving in the tropic environment.
Correct me if I'm wrong but I believe it is the Gravity (or Gravitational Pull) from the Sun.