Transcribed DNA sequences that are removed during mRNA processing are called ______________ Fill in the blank(s) with the appropriate word(s)
introns
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Overexpression of caudal in the early Drosophila embryo, at a level high enough to overcome inhibition by Bicoid protein, would
A. interfere with the development of anterior structures. B. interfere with the development of posterior structures. C. interfere with the development of both anterior and posterior structures. D. have no effect since the cytoplasm has already been determined. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about caudal? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
The frequency of a certain genotype in a population is called _____________________
Fill in the blank(s) with correct word
Which of the following fish have a cranium but lack a backbone?
a. Hagfish b. Sting ray c. Lamprey d. Tuna e. Shark
What is vertical transmission of viruses?
a. an infection transferred between species b. an infection transferred from plant to plant c. an infection inherited from a parent organism d. an infection caused by mutated proteins