All of the Following Are Steps in the Formation of a Biofilm

question 30

Multiple Choice

All of the following are steps in the formation of a biofilm EXCEPT ____________.

• A) colonizing bacteria attach to surfaces coated with organic material using their fimbriae and capsules
• B) As the colonizing bacteria secrete proteins and oligosaccharides or release DNA fragments, a sticky extracellular matrix forms
• C) A new wave of microorganisms, enriched in bacteriophages, arrives and attaches to the matrix
• D) Some microbes in mature biofilms break free and float

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Definitions:

Mental Retardation

An outdated and offensive term for intellectual disability, which is characterized by significant limitations in intellectual functioning and adaptive behavior, originating before the age of 18.

Zygote

The initial cell formed when a sperm cell and an egg cell merge at conception, representing the earliest stage of human development.

Embryo

An embryo is an early stage of development in multicellular organisms, in humans, it specifically refers to the period from fertilization until the end of the eighth week of gestation.

Germinal

Pertains to the earliest stage of development in both plants and animals; in human embryology, it refers to the first two weeks of prenatal development.