Individual plant cells typically gain or lose water mainly via
a. facilitated diffusion.
b. symport.
c. guttation.
d. osmosis.
e. bulk flow.
D
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Which of the following most accurately describes what is happening along the electron transport chain in the accompanying figure?
A) Electrons are transferred to ADP to generate ATP at each step in the process. B) Each electron carrier alternates between being reduced and being oxidized. C) ATP is generated at each step of the process. D) Energy of the electrons increases at each step of the process. E) Molecules in the chain give up some of their potential energy.
A friend makes the argument that transgenic crops have only been used to enrich large corporations, not to improve people’s health. What is the best counterexample?
A. Golden rice B. Bt maize C. Glyphosate-resistant soybeans D. Cre-Lox 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 transgenic crops? 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?
Neutrophils engulf microbes by phagocytosis to fight an infection. Normally, they perform this function for some time but then die off. These dead cells and other foreign materials form pus. Which cells then clean up all the dead neutrophils?
A) eosinophils B) macrophages C) T lymphocytes D) other neutrophils
A bacterial colony growing on Endo agar that appears colorless or slightly pink is a ________.
A) lactose fermenter B) non-lactose fermenter