Dystrophin is a(an)
A) ion channel.
B) lipid that binds myosin myofilaments to the Z disk.
C) protein in the sarcoplasmic reticulum.
D) protein in sarcomeres that binds actin myofilaments to other proteins
Answer: D) protein in sarcomeres that binds actin myofilaments to other proteins
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At the end of meiosis II, there are
two haploid cells, with each chromosome containing two sister chromatids. two haploid cells, with each chromosome consisting of a single chromatid. four haploid cells, with each chromosome containing two sister chromatids. four haploid cells, with each chromosome consisting of a single chromatid. four diploid cells, with each chromosome consisting of a single chromatid.
The beating of the cilia of the respiratory passages in the direction of the pharynx forms the
A) respiratory mucosa. B) lamina propria. C) respiratory defense system. D) mucus escalator. E) conducting portion of the respiratory tract.
Straightening the leg at the knee is a type of movement called ______
Fill in the blank(s) with correct word
If body temperature increases above normal, ________.
A. sweating occurs and blood vessels of the dermis dilate B. the nervous system causes blood vessels to dilate C. sweat is produced by both eccrine and appocrine glands D. sweating occurs and the blood vessels of the dermis contract