What is the part of a sarcomere that contains only thin filaments?
A) Z line
B) H band
C) I band
D) A band
Answer: I band
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Calcium is necessary to initiate muscle contraction. Which of the following molecules binds calcium?
A. myosin B. actin C. troponin D. tropomyosin
Bats use high ultrasonic sounds to perceive their environment much like humans use radar. In animals,
this process of detecting objects is called
a. sound reflection navigation. b. extra sensory perception. c. echolocation. d. ultralocation. e. auditory navigation.
Systems biology is also called integrative biology
__________________ Indicate whether the statement is true or false.
The period of human development that spans from the second week after fertilization until the end of the second month is called ___________
Fill in the blank(s) with the appropriate word(s)