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nadya68 [22]
2 years ago
8

A(n) _____ is a thick film of protein secreted by mucous membranes in the mouth that coats teeth and provides a substrate for St

retptococcus mutans to adhere and begin the formation of a slime layer.
Biology
1 answer:
Anna35 [415]2 years ago
6 0

Answer:

The correct answer is - the biofilm.

Explanation:

Biofilms are a type of one or more than one type of microbes that grow on many different surfaces, These microbes include fungi, bacteria, and protist that develop attached to the surface and one another and embedded in a self-produced matrix.

It is a thick film of protein such as fibrin, polysaccharides such as alginate or eDNA secreted by the bacteria, and other microbes that cover the teeth surface.

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Answer:

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Explanation:

In the given case the genotype of Rr and as we know R is a dominant characteristic for round seeds and r represents the recessive allele for wrinkled seeds in a pea plant. So if a plant has Rr in its genotype it means it is a phenotypically round pea plant due to dominance in this heterozygous case.

The law of segregation states that two alleles of a gene of a specific trait will be distributed randomly and there is an equal chance of each allele to end up in the gametes, similarly in this case both alleles can be segregated to gametes and it is a random process.

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