Which Combination of Characteristics Is Most Likely to Be Associated

question 1

Multiple Choice

Which combination of characteristics is most likely to be associated with molecules having strong dipole-dipole interactions?
I.polar bond
II.asymmetric shape
III.relatively low boiling point
IV.large surface area

• A)I and III
• B)II and IV
• C)I and II
• D)III and IV
• E)I,II,III,and IV

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Definitions:

Sarcolemma

The sarcolemma is the specialized plasma membrane surrounding striated muscle fiber cells.

Sarcomere

The fundamental unit of muscle structure that is responsible for muscle contraction, composed of myosin and actin filaments.

A Band

Length of the myosin myofilament in a sarcomere.

H Zone

Area in the center of the A band in which there are no actin myofilaments; contains only myosin.