Which of the following best describes the difference between good and bad carbohydrates?, Good carbohydrates are high in calories and nutrients, while bad ones are low in both, Good carbohydrates are complex and nutrient-rich (e.g., whole grains), while bad ones are processed and low in nutrients, Good carbohydrates are simple sugars, while bad ones are polysaccharides, Good carbohydrates contain cholesterol, while bad ones do not, Which statement correctly compares DNA and RNA?, DNA has a ribose sugar and is single-stranded, while RNA has deoxyribose and is double-stranded, DNA has deoxyribose, is double-stranded, and uses thymine, while RNA has ribose, is single-stranded, and uses uracil, Both DNA and RNA are single-stranded with the same nitrogenous bases, DNA replicates independently, while RNA is only found in the nucleus, Which lipid type is most critical for maintaining cell membrane rigidity and serves as a precursor for hormones like testosterone?, Triglycerides, as they store energy, Phospholipids, as they form the bilayer, Cholesterol, as it provides rigidity and is a sterol base for steroids, Waxes, as they repel water on surfaces, What is the primary function of carbohydrates in living organisms?, To serve as structural components in cell membranes, To provide the most abundant dietary source of energy, To act as genetic material for inheritance, To synthesize hormones for signaling.

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