Urination is controlled by the operation of two sphincter muscles, both of which are made of smooth muscle fibers and are voluntarily controlled.
a. true
b. false
Answer: b. false
Biology & Microbiology
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The spreading of cancer cells, wound healing, and blood clotting all rely on the same type of cell movement called:
A. swimming. B. crawling. C. waving. D. whipping.
Biology & Microbiology
Fungi parasitic on plants produce specialized hyphae, called ____, that penetrate the host
a. asci b. basidia
c. soredia d. haustoria e. secondary mycelia
Biology & Microbiology
Which is not a method of introducing new genes into a bacterium?
A. Conjugation B. Transduction C. Binary fission D. Transformation
Biology & Microbiology
Which type of nutrient uptake involves the engulfment of small dissolved molecules into vesicles?
A. active transport B. pinocytosis C. receptor mediate endocytosis D. facilitated diffusion
Biology & Microbiology