Compare and contrast antitermination and the use of an alternative sigma factor for regulating gene expression in the lytic cascade
What will be an ideal response?
Ans: Both antitermination and use of an alternative sigma factor will result in the expression of a new set of genes in the lytic cascade. Antitermination requires that the upstream genes continue to be expressed, whereas an alternative sigma factors allows the previous set of genes to be shut off and a new set of genes to be transcribed independently.
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Technology has introduced a range of specific, rapid tests for identifying and diagnosing infectious disease. While culturing a pathogen from a patient is always advantageous, what disadvantage(s) exist for traditional diagnostic techniques?
A. Critically ill patients may have to wait up to 48 hours for a culture to grow. B. The isolated organism is not the pathogen causing the disease. C. Certain pathogens are not able to be cultured in vitro. D. Some diseases are caused by more than one organism. E. All of the above are valid arguments against traditional diagnostic techniques.
What is the function of a protein kinase?
A. To remove phosphate groups from proteins B. To cleave membrane phospholipids C. To phosphorylate GDP to generate GTP D. To add phosphate groups onto proteins
A swimmer sees a large blue jellyfish nearby. Jellyfishes are known to sting, so the swimmer moves away. The swimmer did which of the following?
A) Used inductive reasoning B) Used deductive reasoning C) Constructed a theory D) Tested a hypothesis
Our body is capable of converting starch into glycogen.
Answer the following statement true (T) or false (F)