Correctly match the term and definition: Microvilli.
A)Long, cellular projections that are tail-like and aid in propulsion
B)Small, barrel-shaped structures oriented at right angles to each other; form the bases of cilia and flagella
C)Tiny fingerlike projections of the plasma membrane; increase surface area for absorption
D)Motile cellular extensions found in large numbers in some epithelial cells
C)Tiny fingerlike projections of the plasma membrane; increase surface area for absorption
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Which cranial bone is anterior to the sphenoid and posterior to the nasal bones and contains foramina for the olfactory cranial nerve?
a) Ethmoid b) Frontal c) Palatine d) Maxilla e) Temporal
The hormone measured in a pregnancy test is
A) ADH. B) hCG. C) estrogen. D) progesterone.
NF-?B promotes labor by
a. increasing levels of cytokines and prostaglandins b. decreasing inflammation c. hardening the cervix d. making the myometrium of the uterus less sensitive e. decreasing oxytocin levels
The organelle that protects cells from the damaging effects of medications and toxins is the
A. microtubule. B. mitochondria. C. ribosome. D. secretory vesicle. E. smooth endoplasmic reticulum.