The answer is B. Nitrogen base
The sides of the DNA ladder are made of alternating sugar and phosphate molecules, the sugar being deoxyribose. The rungs of the ladder are pairs of four types of nitrogen bases (adenine, thymine, cytosine, and guanine)
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Answer: I can only list one (sorry): saber-toothed cats.
Explanation: . . .
<u><em>-Why does the lysosome have a different pH than the cytoplasm? </em></u>
The pH within lyosomes is more acidic than the pH of the cytoplasm because Enzymes within the lysosomes aid the breakdown of proteins, polysaccharides, lipids, nucleic acids, etc. These enzymes are active at a much lower pH than that of the cytoplasm. Thus the different pH from the cytoplasm.
<u><em>-What is the advantage of having several smaller chloroplasts and not just 1 huge one?</em></u>
The advantage of having several smaller chloroplasts and not just 1 huge one increases the surface area for the light to be absorbed. As a result, more light energy can be utilized.
Your answer is going to be true