Normal fruit fly larvae move away from their food after eating. However, some larvae that were subjected to X-rays remain near or in their food after eating. There is a consistent difference in the DNA of these two types of larvae
What can we conclude about this behavior?
A) It is an innate behavior.
B) It appears to be entirely learned.
C) Nothing can be concluded about this behavior from the information provided.
D) It has a clear genetic component.
D
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Which statement is TRUE about the fluid from the hydrothermal vents?
A) The fluid contains large amounts of oxidized inorganic materials. B) The fluid contains large amounts of reduced inorganic materials. C) The fluid contains large amounts of organic material. D) The fluid usually contains about equal amounts of organic and inorganic material.
Which of the following parameters could affect
the shape of a protein?
a. heat b. low pH c. detergents d. high pH e. all of these
Which of the following is converted inside root cells into its product, which is then rapidly used to synthesize organic molecules?
a. NH4+ is converted to NO3?. b. N2 is converted to NO3?. c. NO3? is converted toNH4+. d. NH is converted to NH4+.
The classification of bacteria has historically been based on
A) the means of locomotion and thickness of cell wall. B) microbial nutrition, physical appearance, and how they move. C) the appearance of colonies and rate of growth. D) pigments and presence of flagella. E) nutrient requirements and pigments.