Vaccinations involve exposure to an antigen to elicit __________.
What will be an ideal response?
a primary immune response
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If two different species of fish fossils were found in two different layers of sedimentary rock, what might one infer about the specimens?
A. The species in lower layer died first B. They died at the same time C. The species in the higher layer evolved from the species in the lower layer D. The species in the higher layer died first E. The two species are unrelated Clarify Question 1. What is the key concept addressed by the question? 2. What type of thinking is required? 3. What key words does the question contain and what do they mean? Gather Content 1. •What do you know about relatedness based on location in a rock layer?How does it relate to the question? Consider Possibilities 1. What other information is related to the question? Which information is most useful? Choose Answer 1. Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process 1. 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?
Four of the five answers listed below are molecules that directly participate in muscle contraction within a muscle fiber. Select the exception
a. acetylcholine b. ATP c. calcium d. actin e. myosin
According to astronomers, the universe is
a. contracting. b. getting warmer. c. the same as it was on the day of creation. d. collapsing. e. expanding.
The order of amino acids is the ____ structure of proteins.
A. primary B. secondary C. tertiary D. quaternary E. stereo