The exoskeleton of arthropods
a. grows with the animal.
b. is not waterproof.
c. contains chitin.
d. is important for the animal's digestion.
e. has no functional use.
C
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Vincristine is a cancer chemotherapy drug. It binds to tubulin dimers, inhibiting assembly of microtubules. Where do you predict that vincristine stops the cell cycle?
A. S phase B. Prophase C. Metaphase D. Telophase
Sound waves travel within the ear and cause hair cells of the organ of Corti to rub against the ____, initiating nerve
impulses to the brain. a. basement membrane b. basilar membrane c. tectorial membrane d. tympanic membrane e. plasma membrane
________ is a human hereditary disease that is caused by a dominant allele but does not show up in affected individuals until they are in middle age.
A. Tay-Sachs disease B. Hemophilia C. Huntington's disease D. Cystic fibrosis E. Sickle cell anemia
Dry heat
A) Cannot sterilize B) Is less efficient than moist heat C) Is used in devices called autoclaves D) Includes tyndallization E) Will sterilize at 121C for 15 min