Which of the following organelles is NOT involved with protein synthesis?
A. The rough endoplasmic reticulum
B. The Golgi complex
C. The nucleus
D. The lysosomes
E. All of these organelles are involved in protein synthesis
D
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What characteristic would the R groups of amino acids have if they are located within the interior of biological membranes?
A. The R groups would be able to form ionic bonds. B. The R groups would be polar. C. The R groups would hydrophobic. D. The R groups would be hydrophilic.
A newborn baby dies soon after birth because her diaphragm and rib cage muscles failed to contract and she was unable to breathe on her own. Examination of the baby’s DNA revealed that she had a genetic mutation in a gene that encoded a calcium-binding protein. Which protein was most likely defective in the baby?
A. actin B. myosin C. acetylcholine D. tropomyosin E. troponin Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about the proteins the bind to calcium in a muscle contraction? 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?
Arthropods can serve as a reservoir for all of the following diseases EXCEPT
A) plague. B) brucellosis. C) epidemic typhus. D) yellow fever. E) malaria.
A marine biologist makes a presentation about crustaceans to your biology class. He explains that he has recently received an NSF grant to study sessile crustaceans. You are only aware of one group of sessile crustaceans. This crustacean must be
A. a barnacle. B. a lobster. C. a crayfish. D. the nauplius. E. a shrimp.