The calcium ions involved in skeletal muscle contraction bind to a(n)______ subunit
A. myosin
B. actin
C. elastin
D. tropomyosin
E. troponin
E
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Which of the three spinal meninges is the most superficial?
a) Arachnoid mater b) Dura mater c) Meninx mater d) Pia mater e) Epi mater
The factors that make protein catabolism an IMPRACTICAL source of quick energy include which of the following?
a. proteins are important structural and functional cellular components b. one of the by-products, ammonia, is a toxin that can damage cells c. proteins are more difficult to break apart d. all of the listed responses are correct
The muscles of the anterior group of forearm muscles are primarily
A. flexors. B. extensors. C. abductors. D. adductors. E. supinators.
During cellular reproduction, the division of the cytoplasm, known as ____, begins during anaphase of mitosis
a. cytokinesis b. cellular reproduction c. mitosis d. meiosis