Why is cII ultimately responsible for setting the course to lysis or lysogeny?
What will be an ideal response?
Ans: cII is required for synthesis of repressor from PRE. If enough repressor is synthesized at this point, it will occupy the operators and prevent Cro from acting. If not enough repressor is made, repressor establishment will fail and Cro will be able to promote lysis.
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several females and a dominant male. Mating occurs in the summer. This describes the organism’s __________.
a. habitat b. niche c. food web d. carrying capacity
Which statement best describes the relationship of insulin to glucagon?
A) They work together to prepare the body to deal with stress. B) Insulin stimulates the pancreas to secrete glucagon. C) They are antagonistic hormones. D) Insulin is a steroid hormone; glucagon is a protein hormone.
Provide a general definition for the term speciation
What will be an ideal response?
Which of the following statements is true regarding factors associated with the immortalization of cancer cells?
A) inhibition of growth B) stimulation of apoptosis C) telomerase activity D) tumor-suppressor activation E) both choices B and D