Garrod hypothesized that "inborn errors of metabolism" such as alkaptonuria occur because...genes dictate the production of specific enzymes, and affected individuals have genetic defects that cause them to lack certain enzymes.
Explanation:
Archibald Garrod researched on alkaptonuria and proposed the ‘one gene-one enzyme’ hypothesis. This led to the finding that alkaptonuria is caused due to an inherited or “inborn error of metabolism”.
This hypothesis stated that each gene codes and responsible for a single specific enzyme which facilitates a particular step in the metabolic processes.
According to Garrod, a mutation of a particular gene leads to specific error or defect leading to a lack of a particular enzyme that takes part in the biochemical metabolic pathways. This disrupts the metabolic pathway at the specific enzymatic action point.
In alkaptonuria, it was found that the defective phenotype of dark urine is due to the inborn error happening during the waste elimination process.
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<em>Eat a diet that is low in saturated fats, cholesterol and sodium.</em>
<em>Do 30 minutes of daily exercise that increases your heart rate.</em>
<em>If you smoke, stop.</em>
<em> Keep your blood pressure and cholesterol at normal levels.</em>
<em>Keep your stress levels in check.</em>
Answer:
The word demography comes from two ancient Greek words, demos, meaning “the people,” and graphy, meaning “writing about or recording something” — so literally demography means “writing about the people.”
HIV crossed from chimps to humans in the 1920's in what is now the Democratic Republic of Congo. This was probably as a result of chimps carrying the Simian Immunodeficiency Virus (SIV), a virus closely related to HIV, being hunted and eaten by people living in the area.
