Biology, 04.10.2020 01:01 postorivofarms
A student wants to design an experiment to answer the question, “How does particle size affect the rate at which particles settle out of water to form sediment on the bottom of a container?” What will be the dependent variable in the students experiment?
a. the mass of the particles
b. the speed at which the water is moving
c. the time it takes particles to settle out of the water
d. the amount of sediment at the bottom of the container
Answers: 3
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Which statement describe events that occur during interphase?
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Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2
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Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.
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A student wants to design an experiment to answer the question, “How does particle size affect the r...
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