The structure pictured in the figure is found in _____

A) skeletal muscles and smooth muscles
B) cardiac muscles and skeletal muscles
C) smooth muscles and cardiac muscles
D) smooth muscles, skeletal muscles, and cardiac muscles
E) smooth muscles


Answer: B

Biology & Microbiology

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In symbiotic associations between sulfur chemolithotrophs and eukaryotes such as tube worms and giant clams, the bacterial symbiont provides ________ while the host provides ________

A) nitrogen / carbon and oxygen B) sulfide / oxygen C) a carbon and energy source / stable sulfide and oxygen levels D) organic acids / stable sulfate levels

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The autoimmune response to desmosomes or desmosomal components (not hemidesmosomes) leads to a blistering skin disease known as

A) pemphigus. B) Ehlers?Danos syndrome. C) syndecan. D) junctional epidermolysis bullosa. E) listeriosis.

Biology & Microbiology

What is the term for gene regulation that occurs by removing introns and splicing together exons that will be sent to a ribosome?

a. epigenetic level of regulation b. post-transcriptional level of regulation c. translational level of regulation d. post-translational level of regulation

Biology & Microbiology

Enkephalins and endorphins are

a. neuromodulators. b. stimulators of brain and nervous activity. c. inhibitors of pain perception. d. neuromodulators and stimulators of brain and nervous activity. e. neuromodulators and inhibitors of pain perception.

Biology & Microbiology