State whether the following statement is true or false; then give your reasoning: The terminating "hairpin" loop occurs in the trp operon when sufficient tryptophan is present
Indicate whether the statement is true or false
True; the hairpin loop terminates transcription.
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If one were to inject cytoplasm containing Bicoid into the middle of a Drosophila egg immediately prior to fertilization, the embryo would
A. try to form anterior structures in the middle of its body. B. try to form posterior structures in the middle of its body. C. not develop at all. D. develop normally. 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 bicoid? 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?
DNA is a helical molecule consisting of two strands of ____________________ that is the primary carrier of
____________________ information. Fill in the blank(s) with the appropriate word(s).
Describe the distinguishing organisms and major biological events associated with the following geological time
units. A. Precambrian time B. Paleozoic era C. Mesozoic era D. Cenozoic era What will be an ideal response?
The interlocking rib cage of Tiktaalik roseae suggests that this transitional organism had lungs. What other traits were found in T. roseae, but not in its ancestral form?
A. Live young and fins. B. An upright stance. C. Primitive wrist and finger-like bones. D. Articulating hip bones. E. Wings and scales.