A change in allele frequency can be caused by various reasons. Mutations, recombination, gene drift, gene flow, and hybridization are some of the examples. Basically anything that would cause microevolution to happen would change allele frequencies. The Hardy Weinberg equilibrium might be helpful, too.
Answer: <u>Chloroplast
</u>
Explanation: Chloroplast is the organelle where photosynthesis takes place and glucose is formed. That's why its the kitchen of the cell. Cell wall and cell membrane are the outer coverings of the cell and they protect the cell from outer environmental conditions. Cytoplasm is the inner fluid in which all the organelles are present.
<span>Fat is by far the most calorie loaded of the macronutrients, containing 9 calories per gram compared to only 4 calories per gram for proteins and carbohydrates. Although a low fat diet is generally desirable for persons who would like to restrict their caloric intake, a no fat diet is no recommended by nutritionists or doctors since there is a dietary need for some fat in the diet.</span>