What is the chemical composition of the F factor?
a) Protein
b) DNA
c) DNA and protein
d) carbohydrate
e) carbohydrate and protein
Answer: b) DNA
You might also like to view...
A given medium can be either selective or differential but not both.
Answer the following statement true (T) or false (F)
Dibenzoylhydrazines are a category of molecules that have been used as insecticides. They work by blocking ecdysteroid receptors. How does this kill an insect?
A. The insect can no longer excrete nitrogenous wastes. B. The insect cannot molt. C. The insect can no longer coordinate its movements. D. The chitinous exoskeleton is dissolved. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about ecdysis? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? 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?
In the presence of predators, some tadpoles grow larger and more colorful tails to avoid lethal strikes to the head. This ability to respond to the environment via morphological traits is known as
A) phenotypic plasticity. B) outcrossing. C) dioecious. D) K-strategy.
Assuming that each of these possesses a cell wall, which prokaryotes should be expected to be most strongly resistant to plasmolysis in hypertonic environments?
A) extreme halophiles B) extreme thermophiles C) methanogens D) cyanobacteria