What type of receptor is involved in reflex actions that maintain muscle tone and, thereby, the body's equilibrium and posture?
A. cutaneous receptors
B. proprioceptors
C. nociceptors
D. chemoreceptors
E. pain receptors
Answer: B
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The concept of endosymbiosis is widely accepted. What kind of relationship is it?
A. One organism in the partnership benefits and the other is harmed. B. Both organisms in the partnership benefit. C. Neither organism benefits. D. One organism benefits but the other is not affected. 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 organism interactions? How does it relate to the question? 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?
Annelids must utilize ____ muscles in order to move
a. only circular b. only longitudinal c. crosswise d. circular and longitudinal e. crosswise or longitudinal
Most of Earth's water resides in
A) the oceans. B) the polar ice caps and glaciers. C) freshwater lakes, ponds, rivers, and streams. D) groundwater.
You have identified a bacterial protein that has retained the starting fMet in its protein sequence. Which of the following is likely true of this protein?
A) It is likely nonfunctional, since bacteria use posttranslational cleavage of fMet to make functional proteins. B) It will show improper protein sorting and will likely remain in the ER. C) It will be not be able to be chemically modified, so it will be sent to the Golgi for secretion. D) It will be a functional bacterial protein, since all functional proteins must begin with fMet. E) It will likely form a disulfide bond with a second peptide chain, forming a protein complex.