The diagram shows the rate of diffusion into a cell using carrier proteins.
Carrier proteins are saturated at which point?
A. 1
B. 2
C. 3
D. 4
Answer: D
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You dissect the brain of a mutant mouse and find that parts of the "white matter" look gray. What is a likely cause?
A. defects in myelination B. peripheral nerve damage C. oversized dendrites D. excess myelination E. excess neuronal proliferation Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content/Choose Answer · What do you already know about white matter? How does it relate to the question? Consider Alternatives · What other information is related to the question? 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?
Which type of tissue produces a matrix that surrounds and supports cells?
a. epithelial b. connective c. muscle d. nerve e. endocrine
Unicellular fungi are called _________.
Fill in the blank(s) with the appropriate word(s).
A lichen is made up of a(n) ________ and a ________.
A. alga; fungus B. fungus; plant C. animal; fungus D. animal; protist