During prophase, __________ is(are) compacted into visible chromosomes
a. chromatin
b. centrioles
c. centromeres
d. kinetochores
e. colchicine
A
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Which of the following is not a feature of miRNAs?
A. Primary miRNA transcripts have internal complementary sequences capable of forming hairpin structures. B. Precursor miRNAs have internal complementary sequences capable of forming hairpin structures. C. miRNAs are exported to nuclease in their single-stranded form. D. Precursor miRNAs are approximately 60–70 nucleotides long.
A flower on a plant represents which level of organization?
A. atom B. cell C. organ D. organism E. population
One patient at your audiology clinic has an actin defect, and another patient has a microtubule defect. What sense other than hearing may be affected in these patients?
A. smell B. taste C. balance D. touch E. proprioception 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 hair cells? What other information is related to the question? Choose Answer Given what you now know, what information 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?
An event that is thought to have caused mass extinction is the impact of a giant ______.
What will be an ideal response?