____ help(s) unfolded or misfolded proteins achieve their proper three-dimensional conformation
A) ribonuclease
B) molecular chaperones
C) endoplasmic reticulum
D) ribosomes
Ans: B) molecular chaperones
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Courtship for Anolis lizards involves the male displaying a dewlap (skin under the throat area) that varies in appearance based upon the species. Lizards that are found in darker, more shaded environments will have dewlaps that are lighter in color because they are more noticeable by potential mates. Which of the following mechanisms best explains how speciation is at work in this example?
A. Postzygotic isolation B. Reinforcement C. Genetic drift D. Natural selection Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content/Choose Answer · What do you already know about speciation? What other information is related to the question? 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?
Which of the following are the primary structures
that package cellular secretions for export from the cell? a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. endoplasmic reticula
The transparent covering of the front of the eye is the
A) cornea. B) lens. C) iris. D) fovea centralis. E) pupil.
In a well-designed experiment, the
a) prediction will be be highly probable if the explanation is correct b) prediction will be highly improbable if the explanation is incorrect c) prediction will most likely be true d) null hypothesis will not be tested e) both the first and second answer choices are correct