The Lac repressor protein binds to the:
A. operator in the presence of allolactose.
B. lacZ gene in the presence of allolactose.
C. operator in the absence of allolactose.
D. operator regardless of the presence or absence of allolactose.
C
You might also like to view...
Which of the following is not correct concerning epistatic interactions?
A. They can be associated with enzymatic pathways. B. They produce variations in the expected 9:3:3:1 ratio of a dihybrid cross. C. They can result when a gene at one locus masks the expression of a gene at a different locus. D. They always result in a 9:7 ratio of a dihybrid cross. E. They are due to gene interactions.
What is the likely impact of this toxin on action potentials?
A. They will occur more frequently. B. They will be stronger and more unpredictable. C. Without ion gradients, action potentials are not possible. D. They will have longer refractory periods. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content/Choose Answer · What do you already know about sodium and potassium? What other information is related to the question? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which area, A, B, C, or D, represents the area of a boreal forest biome?
1.A
2.B
3.C
4.D
The hypothesis that organic molecules formed near deep sea hydrothermal vents is called the:a
iron-sulfur world hypothesis. b. iron-clay hypothesis. c. organic sea hypothesis. d. prebiotic soup hypothesis. e. sulfur vent hypothesis