The calcium ions released into the cytosol during excitation of skeletal muscle bind to _____
A) troponin complex
B) transverse tubules
C) actin
D) myosin
Answer: A
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Scientists speculate that extinctions did not occur in Africa as they did on other continents because animals coevolved with _______ in Africa.
A. plants B. diseases C. parasites D. humans
In order to add a single amino acid to a growing polypeptide chain, a grand total of ________ molecules or ATP or GTP are utilized.
A. four B. two C. three D. six
Which of the following is NOT true about IgG type antibodies?
a. It is the most common/abundant type of antibody in the blood b. It is the most common/abundant type of antibody in body secretions c. It can cross the placenta and protect the fetus. d. It is the longest lasting type of antibody produced.
Explain how blood glucose is kept constant through the actions of hormones.
What will be an ideal response?