Using the drawing of mRNA below, choose the letter that best fits the description
Sequences in this region may affect the initiation of translation or serve as binding sites for
proteins that will target the mRNA transcript to specific locations in the cell.
____
What will be an ideal response?
b
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The process of ____ is the transfer of heat from a body to a fluid that passes over its surface
a. conduction b. radiation c. evaporation d. convection e. radiative cooling
In a food chain with four trophic levels, what would be the energy in the top trophic level if the energy contained in the primary producer level is 40,000 kcal/m2/yr? Assume a trophic level transfer efficiency of 10%.
A. 4,000 kcal/m2/yr B. 400 kcal/m2/yr C. 40 kcal/m2/yr D. 4 kcal/m2/yr E. 0.4 kcal/m2/yr 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 energy flow? 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?
When DNA sequences are compared, the closet living relative of humans is found to be the gorilla
__________________ Indicate whether the statement is true or false.
Adjacent microtubule doublets in cilia and flagella produce a bending movement because
a. tubulin is contracting on one side of the microtubules. b. dynein is contracting on one side of the microtubules. c. kinesin is contracting on one side of the microtubules. d. nexin links between microtubule doublets convert a sliding movement into a bending movement. e. dynein heads move in a plus-end direction.