What Is Dr

question 24

Multiple Choice

What is Dr. Robert Koch generally most famous for?

• A) Discovering anthrax in farm animals
• B) The research lab he set up in his house
• C) Discovering that anthrax can be used as a biological weapon
• D) His work toward the idea (germ theory) that many infectious diseases are caused by bacteria
• E) His work with bacterial spores

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Definitions:

Smooth Muscle Contraction

The involuntary process by which smooth muscles found in the walls of internal organs contract and relax, controlled by the autonomic nervous system.

Myosin Phosphatase

An enzyme that plays a critical role in muscle relaxation by dephosphorylating myosin light chains.

Hyperpolarization

An increase in the membrane potential of a cell, making it more negative and less likely to fire an action potential.

Resting Membrane Potential

The electrical charge difference across the plasma membrane when a neuron or muscle cell is at rest.