Which of the Following Is NOT Correct Regarding the Genus

question 8

Multiple Choice

Which of the following is NOT correct regarding the genus Leptospirillum?

• A) It belongs to the phylum Nitrospirae and includes acidophilic iron oxidizers.
• B) Some Leptospirillum species use Fe²⁺ as electron donor and O₂ as electron acceptor.
• C) Some species contribute to acid mine drainage in iron mines, where they form pink biofilms.
• D) All of the above.
• E) None of the above.

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Definitions:

Gene Sequence

The order of nucleotides in a segment of DNA that represents a specific genetic instruction, essential for coding proteins and regulatory functions.

X-linked Recessive

A mode of genetic inheritance by which a mutation in a gene on the X chromosome causes the phenotype to be expressed in males who are necessarily hemizygous for the gene mutation (having only one X chromosome) and in females who are homozygous for the gene mutation (possess two copies of the gene mutation).

Y Chromosome

A sex chromosome typically associated with male characteristics and present in males of species with XY sex-determination systems.

Huntington's Disease

A hereditary neurodegenerative disorder characterized by motor control problems, cognitive decline, and psychiatric issues due to the progressive breakdown of nerve cells in the brain.