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6. Amino acids are joined together into a protein chain by which of the following?
A. Transfer RNA
B. DNA polymerase
C. Hydrogen bonds
D. Messenger RNA
7. Phosphorus is taken up by the cell during the process of
A. carbohydrate synthesis.
B. protein synthesis,
C. lipid synthesis.
D. ATP synthesis.
8. Protein synthesis rates in prokaryotes are limited by the rate of mRNA synthesis. If RNA synthesis occurs at the rate of 50 nucleotides/sec, then rate of protein synthesis occurs at
A. 10 amino acids/sec
B. 17 amino acids/sec
C. 25 amino acids/sec
D. 50 amino acids/sec
9. The site of protein synthesis is
A. Ribosome
B. Nucleus
C. Endoplasmic reticulum
D. Chromosome
10. The structure in a bacterium that indicates an active site for protein synthesis is
A. a chromosome.
B. a cell membrane,
C. a flagellum.
D. a polysome.
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