Without making or breaking bonds, the pictured molecule can change its shape because
What will be an ideal response?
rotation can occur around single bonds.
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Which of the following normally occurs when a doctor's reflex hammer taps a patient's patellar tendon?
A. Alpha motor neurons stimulate contraction of extrafusal fibers in extensor muscles. B. Alpha motor neurons stimulate contraction of intrafusal fibers in extensor muscles. C. Golgi tendon organs in the patellar tendon stimulate the contraction of extrafusal fibers of extensor muscles. D. Alpha motor neurons that innervate ipsilateral flexor muscles are stimulated. E. Inhibitory interneurons reduce action potential firing in alpha motor neurons to extrafusal fibers of extensor muscles.
Urinary tract infections are often caused by ________ bacteria in the urinary tract.
A. symbiotic B. fecal C. abdominal D. intestinal
What is responsible for differentiating the embryonic gonads into testes?
a. Sex-determining region of the X chromosome b. Sex-determining region of the Y chromosome c. Autosomal chromosomes d. Male gonadal-determining factor e. Sertoli cells
The two identical cells that arise from mitosis are called ________ cells.
Fill in the blank(s) with the appropriate word(s).