In the diagram, what is the basic functional unit of a myofibril?

a) B
b) C
c) F
d) Both B and C
e) All of these choices are correct.


c

Anatomy & Physiology

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This figure shows the spinal cord and spinal nerves. What structure does number 1 indicate?

A. Posterior rootlets B. Dura mater C. Cauda equina D. Conus medullaris E. Filum terminale

Anatomy & Physiology

Two or more polypeptides chains combine to form a complex structure called a ________

A) primary structure B) beta-pleated sheet C) secondary structure D) tertiary structure E) quaternary structure

Anatomy & Physiology

What is the function of ATP molecules in living cells?

A) They capture energy from the oxidation of fuels in their high-energy phosphate bonds, and the energy is used in various cell processes. B) They act as coenzymes so that fats can be synthesized. C) They form a genetic material. D) They are an integral part of the cell membrane, important in transporting water molecules.

Anatomy & Physiology

The direct transfer of heat energy from one object to another through physical contact is called

A) radiation. B) conduction. C) convection. D) evaporation. E) transmission.

Anatomy & Physiology