Living things contain four major types of carbon-based molecules. The organic molecules in living things fall into four major groups— carbohydrates, lipids, proteins, and nucleic acids. You may already be familiar with these types of molecules and their functions.
As the baby grows and develops the cellular level rises. They grow in Length and in width!
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<span>the high expense; electron microscopes are costly</span>
During prophase, the parent cell chromosomes — which were duplicated during S phase — condense and become thousands of times more compact than they were during interphase. ... Cohesin forms rings that hold the sister chromatids together, whereas condensin forms rings that coil the chromosomes into highly compact forms.
Answer:
B
Explanation:
Proteins do store energy and nucleic acids provide energy thats why B is correct.
