Which protein does NOT belong in a thin filament?
A) myosin B) tropomyosin C) troponin D) actin
Answer: A
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Select the correct statement about isotopes
A) All the isotopes of an element have the same number of neutrons but differing numbers of electrons. B) Isotopes of the same element have the same atomic number but differ in their mass number. C) All the isotopes of an element are radioactive. D) Isotopes occur only in the heavier elements.
List the two main functions of the ovaries
What will be an ideal response?
The role of cerumen is to ________
A) trap foreign particles that enter the external acoustic meatus B) facilitate vibration of the tympanic membrane C) detect changes in linear movement and respond to gravitational forces D) amplify sound waves
The autonomic nervous system controls all of the following except the ________
A) adrenal gland B) smooth muscle in the walls of the aorta C) parotid salivary gland D) skeletal muscle in the rectus abdominis E) cardiac muscle in the right atrium