A bacterial isolate that grows better on a nutrient agar plate supplemented with amino acids but still grows in a nutrient agar plate lacking amino acids suggests amino acids are trace nutrients for the isolate
Indicate whether the statement is true or false.
Answer: FALSE
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Another name for an oxidizing agent is a(n)
A) electron acceptor. B) electron donor. C) reductant. D) electropositive metal. E) hydride transfer reagent.
Use the figure above for the following question(s)
10. The mass number of the atom depicted in the figure is
a. 5. b. 7. c. 8. d. 15. e. 22.
Which of the following is not a true statement about the scientific method?
A. It does not apply to problems encountered in everyday life. B. It is a framework to consider evidence in a repeatable way. C. It is a framework to consider ideas in a repeatable way. D. It is a general way of organizing an investigation. E. It begins with observations.
Your botany teacher is making assignments for a research project on a plant species. She assigns you to study hemlock (Conium maculatum) and mentions that is an r-selected species. Based on this, what characteristics would you predict to be true of hemlock? Check all that apply.
A. HABITAT: Disturbed areas like the edges of agricultural fields. B. LIFESPAN: Several decades. C. HABITAT: Pristine, undisturbed meadows. D. REPRODUCTION: Small numbers of large seeds produced. E. REPRODUCTION: Large numbers of seeds produced at a time. F. LIFESPAN: One to two years.