Answer:
Amino acids are the structural units (monomers) that make up proteins. They join together to form short polymer chains called peptides or longer chains called either polypeptides or proteins. These polymers are linear and unbranched, with each amino acid within the chain attached to two neighboring amino acids.
Explanation:
<h3>Origin of cell.</h3>
In 1665,an english scientist Robert Hooke designed his own microscope and examined a cork from a bark of tree.He observed that cork is made up of many boxes like units which were packed together .He called these units <u>Cells</u>.
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The cup like structure, in which the femur fits into the hip bone is known as Acetabulum.
the acetabulum is referred to a concave shapoed surface of the pelvis, which have a cup like groove. This groove helps in the binding of the femur head to the hip or the pelvic bone.
The round head of the femur gets fits into this cup shaped structure and forms the hip joint. The acetabulum is formed by the contribution of ischium, ilium and the pubis.
Answer:
People, fossils fuels,land,living things
Explanation:
