Vestigial structures are found in humans, and are thought to be useless or rudimentary body parts that had an important function in ancestral species. Give two examples of vestigial structures in humans
What will be an ideal response?
Vestigial structures in humans are the coccyx (tailbone and arrector pili muscles at the base of each hair follicle.
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The endocrine glands include the _____
A) parathyroid glands B) salivary glands C) sweat glands D) sebaceous glands E) gallbladder
Which structures contain valves?
a. arteries and veins b. arteries and heart c. arteries, capillaries, and heart d. lymph capillaries, arteries, and heart e. lymph capillaries, veins, and heart
Which is the correct sequence of polypeptide
transport in the secretory pathway? a. plasma membrane >>> Golgi bodies >>> ER >>> ribosome b. plasma membrane >>> ER >>> Golgi bodies >>> ribosome c. ribosome >>> Golgi bodies >>> ER >>> plasma membrane d. ribosome >>> ER >>> Golgi bodies >>> plasma membrane e. Golgi bodies >>> ribosomes >>> ER >>> plasma membrane
Plaque is caused by many organisms but one of the
main causes is a. fungal chitin. b. protistan lipids. c. algal alginates. d. extracellular products of bacteria e. all of these.