Iron-oxidizing bacteria grow better in alkaline environments where protons are less likely to abiotically convert Fe2+ into Fe3+
Indicate whether the statement is true or false.
Answer: FALSE
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Inside its beak an octopus has a rasping tongue that is used to tear apart food. Which gastropod structure is this analogous to?
A. Mantle B. Shell C. Radula D. Nephridium 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 mollusk feeding? 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?
Random dispersion of individuals in a
population occurs when habitat conditions are ____, resource availability is ____, and individuals or pairs of individuals ____ one another. a. random; scarce; either attract or avoid b. clumped; fairly steady; neither attract nor avoid c. nearly uniform; random; neither attract nor avoid d. nearly uniform; fairly steady; neither attract nor avoid e. clumped; scarce; either attract or avoid
The ability of alpine pennycress to decontaminate
soil may be transferable to other plants because basically this ability is due to a. the structure of its chloroplasts. b. the structure of its membranes. c. the structure of its central vacuole. d. the structure of its plastids. e. a gene.
Nicotine affects neurotransmission by causing more action potentials in the presynaptic neuron and by causing more neurotransmitter to be released per vesicle. This means your postsynaptic neurons
A) are unaffected by nicotine. B) are more easily stimulated in the presence of nicotine. C) are harder than normal to stimulate in the presence of nicotine. D) cannot be stimulated at all in the presence of nicotine. E) are uncoordinated in the presence of nicotine.