How Does H

question 76

Multiple Choice

How does H. pylori survive the acidic conditions of the stomach?

• A) Producing urease, an enzyme that converts urea to ammonia, thereby creating an alkaline microenvironment.
• B) Burrowing within the layer of mucus that coats the stomach lining.
• C) Producing urease, an enzyme that converts ammonia to urea, thereby creating an alkaline microenvironment.
• D) Producing urease, an enzyme that converts urea to ammonia, thereby creating an alkaline microenvironment AND burrowing within the stomach mucus layer.
• E) Producing urease, an enzyme that converts ammonia to urea, thereby creating an alkaline microenvironment AND covering its flagella with protective sheaths.

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Definitions:

Genetic Potential

The maximum physical or intellectual growth and development that a person can achieve, based on their genetic composition.

Additive Genes

Genetic models where the effects of individual genes add up to influence a trait, without dominance between alleles.

Dominant Genes

Genes that express their traits in the phenotype, regardless of the presence of their recessive counterparts in an organism's genotype.

Recessive Genes

Genes that produce their characteristic phenotype only when their allele is identical and not masked by a dominant allele in a pair.