12 points No links, I can’t open

1. Which of the following is most responsible for a localizing area of cold surface water with a large amount of fish?
A. Increased salinity
B. Increase DO levels
C. Surface currents
D. Upwelling

2. What role do oysters play in estuaries?
A. Oysters improve the water quality by removing excess nitrates; denitrification
B. Oysters help to stable the shoreline
C. Oysters protect juvenile of different fish species
D. Oysters remove carbon dioxide from the atmosphere

3. Organisms in which ecosystem have to deal with many environmental changes everyday?
A. Estuaries
B. Hydrothermal vents
C. Intertidal
D. Polar ice caps

4. How does the salinity of the ocean compare to the salinity of an Estuaries?
A. The salinity of the ocean in the estuary is exactly the same
B. There is greater salinity in the estuary
C. There is greater salinity in the ocean
D. The estuary has no salinity

Proteins are the workhorses of the cell, controlling virtually every reaction within as well as providing structure and serving as signals to other cells. proteins are long chains of  amino acids  , and the exact sequence of the amino acids determines the final structure and function of the protein. instructions for that sequence are encoded in  genes  . to make a particular protein, a messenger ribonucleic acid (mrna) copy is made from the gene (in the process called  transcription  ), and the mrna is transported to the  ribosome  . protein synthesis, also called  translation  , begins when the two ribosomal subunits link onto the mrna. this step, called initiation, is followed by elongation, in which successive amino acids are added to the growing chain, brought in by transfer rnas (trnas). in this step, the ribosome reads the  nucleotides  of mrna three by three, in units called  codons  , and matches each to three nucleotides on the trna, called the anticodon. finally, during termination, the ribosome unbinds from the mrna, and the  amino acid  chain goes on to be processed and folded to make the final, functional protein