What type of bonding occurs between mature tRNAs and mRNA?
a. covalent
b. ionic
c. hydrogen
d. van der Waals
c. hydrogen
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Freshwater fish are in a hypotonic environment. What keeps the cells in their body from lysing?
A. Freshwater fish have chloride channels that actively move chloride out of the gills into the surrounding water, allowing water to move into the gills. B. Freshwater fish have chloride channels that actively move chloride out of the gills into the surrounding water, allowing water to move out of the gills. C. Freshwater fish have chloride channels that actively move chloride into the gills, allowing water to move into the gills. D. Freshwater fish have chloride channels that actively move chloride into the gills, allowing water to move out of the gills.
Rank the sensory receptors in order, from the ability to detect the widest variety of molecules, to the least variety of molecules (or none).
__ photoreceptors __ TRP channel temperature receptors __ gustatory receptors __ olfactory receptors 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 sensory receptors? 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?
In the figure above, which number identifies the structure of cones or rods that will respond to
wavelengths of RED light ONLY?
a. 3 b. 4 c. 5 d. 6 e. 7
Digested fats are packaged into ________, which are too big to enter blood capillaries and so have to diffuse into lacteals, where fats enter the lymph and are transported within the lymphatic system
A) micelles B) chyme C) chylomicrons D) bile salts E) lipases