In the genetic code, 61 of the 64 possible three-letter words signify an amino acid. what do the other three words signify? the termination, or ending, of a peptide the three-dimensional structure of the peptide the addition of sulfur to an amino acid a simple sugar to be added to the peptide

the termination or ending of a peptide

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg