In skeletal muscle contraction, which of the following acts to allow the crossbridge cycle to occur
when it flows into the cytosol through open ion channels?
a. troponin
b. Ca2+
c. tropomyosin
d. ATP
e. acetylcholine
B
You might also like to view...
Which growth model would you expect to see in a stable population?
A. Factorial B. Logistic C. Exponential D. Speculative
Somatic cells are those that give rise to sperm and egg cells
Indicate whether the statement is true or false
A scientist is examining motile protozoa. He wishes to determine their direction of movement. Which of the following microscopic techniques is least likely to be used to view these cells?
A) light microscopy B) electron microscopy C) differential interference contrast microscopy D) fluorescence microscopy E) phase-contrast microscopy
Which of the following is a water soluble
vitamin?
a. A b. K c. D d. E e. C