Explanation:
Environmental contamination reduces total testosterone oxido-reductase activity in females.- <u>True</u>
Enzymes are proteins which catalyze reactions by acting on substrates in order to speed up reactions- like the breakdown of large polysaccharides by amylase. Here, the enzyme testosterone oxi-reductase facilitates the of testosterone to the androgen DHT. Enzyme specificity is affected by pH, temperature and the presence of inhibitors.
In temperatures beyond its optimal range, these may undergo changes to its physical structure called denaturation; when denatured, enzymes lose their ability to bind specifically to their substrate -i.e. substrate binding specificity is lost. Testosterone would no longer be able to bind to the active site, and thus would not be converted.
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This pedigree doesn't show an autosomal dominant trait because 3,4 are carriers, passing the gene to their offsprings but don't manifest the phenotype. This pedigree can represent an autosomal recessive gene based on what I just mentioned. We know that this is an autosomal trait because it seems to affect both genders equally.
Photosynthesis: 6H2O + 6CO2 ----> (yields, in the presence of sunlight) C6H12O6 + 6O2
Light Dependent:
Plants break up the water (H20) into a Hydrogen and an Oxygen (O2). The Oxygen is released through the plant's stoma. The electron from the H is energized by the sun and used in the Electron Transport Chain to make ATP.
Light Independent:
Used CO2, ATP and NADPH in the Calvin Cycle (Basically moving a bunch of Carbon and rearranging it) to eventually make a Glucose molecule (C6H1206).
