Most microbial contaminants of food are killed at freezing temperatures.
Answer the following statement true (T) or false (F)
False
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There is more diversity in heavy chains resulting from combinatorial joining than is seen in light chains.
Answer the following statement true (T) or false (F)
Which of the following terms is mismatched with its meaning or characteristics?
A. Diploblastic—ectoderm and mesoderm B. Triploblastic—ectoderm, mesoderm, and endoderm C. Parazoa—lacks symmetry; no tissues D. Eumetazoa—definite symmetry; tissues organized E. Chordate—animal with notochord
If you isolate a pancreatic beta cell and put it in the proper growth conditions, it will divide by mitosis and produce new beta cells, but it will not produce pancreatic alpha cells or pancreatic cells that release digestive enzymes. The pancreatic beta cell is
A. totipotent B. impotent C. unipotent D. multipotent E. pluripotent
Which of the following events signals the termination of translation?
A) The ribosome reaches the end of the mRNA. B) The ribosome reaches a start codon. C) The ribosome reaches a stop codon. D) The ribosome runs out of charged tRNAs. E) The polypeptide chain folds into a protein.