What Is the Cause for Cloudy Centers Appearing in Lambda

question 24

Multiple Choice

What is the cause for cloudy centers appearing in lambda plaques on an Escherichia coli confluent plate?

• A) A low multiplicity of infection prevents the appearance of large numbers of lysed cells.
• B) Cell debris forms a physical barrier between uninfected cells and virions.
• C) Compounds in agar or nutrient medium protect bacterial cells from infection.
• D) A large number of infected cells become resistant to bacteriophage infection.
• E) Some infected cells become lysogens and start growing up where the infection began.

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Definitions:

Protein

Large biomolecules consisting of one or more chains of amino acids, crucial for the structure, function, and regulation of the body's cells, tissues, and organs.

Amylase

An enzyme that catalyzes the breakdown of starches into sugars, playing a critical role in the digestive process.

Trypsin

An enzyme produced in the pancreas that plays a key role in the digestive process by breaking down proteins into smaller peptides in the small intestine.

Phospholipid

A type of lipid molecule that is a major component of all cell membranes, known for its polar head and nonpolar tail structure.