4. A section of DNA that codes for a specific trait.
The answer is A, anti-fungal drugs.
According to the passage, "but if the problem persists, see a doctor who can prescribe anti-fungal drugs". In additional, at the beginning of the passage, it already stated that athlete's foot is caused by a fungus, so we can sure that the answer is A.
<span>It is likely that the hydrogen pump is not functioning properly. The hydrogen pump sends hydrogen ions through membranes. It is crucial in the production of ATP, or energy, which is the main product that the mitochondria makes. The functioning of the mitochondria is essential to the functioning of the cell.</span>
<span>Answer: “Comparing the mitochondrial DNA between different eukaryotes to see how closely they are related.”</span>
The endosymbiotic theory focuses on the origin of two eukaryotic organelles that have bacteria characteristics (mitochondria in animals and chloroplasts in plants). These two are s are believed to have developed from symbiotic bacteria.
<span>In designing an experiment that would support the endosymbiotic theory, the statement that would provide the best evidence is comparing mitochondrial DNA between different eukaryotes to see how closely they are related.</span>
The Electrons would need to be in a covalent bond. Covalent means that the electrons are equally shared between atoms.
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